https://jobs.co.uk/jobs-results?Keyword=Principal%20Engineer&RadiusMiles=10 RSS feed for Principal Engineer Jobs. en-gb Sun, 26 Apr 2026 20:22:06 GMT https://jobs.co.uk/job/principal-engineer-talent-international-uk-ltd--11adf698-1035-4497-9458-9baec774d5a1 https://jobs.co.uk/job/principal-engineer-talent-international-uk-ltd--11adf698-1035-4497-9458-9baec774d5a1 Sun, 26 Apr 2026 11:51:57 GMT Location: City | Salary: 550.00-550.00 Daily | Type: Permanent | Job Description:Principal Engineer Rate Inside IR35 Remote, with occasional travel to London, Manchester, Newcastle Role Purpose The Principal Engineer will provide senior technical leadership for a complex mainframe modernisation programme characterised by a large case load, high throughput, and significant scalability and resilience requirements click apply for full job details Permanent https://jobs.co.uk/job/principal-engineer-bcg-expand-london-boston-consulting-group--192ce831-f814-4d08-9c97-fc32f89dfbef https://jobs.co.uk/job/principal-engineer-bcg-expand-london-boston-consulting-group--192ce831-f814-4d08-9c97-fc32f89dfbef Sun, 26 Apr 2026 11:51:47 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | Who We Are BCG Expand is a specialist firm providing unique data-driven business intelligence as a trusted advisor to senior executives across the world''s leading financial services firms to help them to operate more effectively. Expand''s activities are focused on data benchmarking in technology, operations, FinTech and market data, with expertise around strategic cost and human resourcing benchmarking in wholesale finance. Founded in 2001 as an independent research boutique, Expand is a wholly owned subsidiary of the Boston Consulting Group, headquartered in London and with offices in Singapore and New York. At Expand we''re proud of our friendly, inclusive and authentic team. It takes diversity of thought, culture, background and perspective to drive a global growing business, understand our clients'' needs and maintain our professional, supportive and entrepreneurial working culture that we all enjoy. What You''ll Do We''re looking for a highly skilled Principal Engineer with a passion for data, cloud technologies, and building robust, scalable solutions - who also brings strategic product thinking and cross-functional leadership. In this role, you''ll not only lead the desi... Permanent https://jobs.co.uk/job/principal-engineer-net-up-to-100000-bonus-hybrid-involved-solutions--91fa3ee2-6863-49f5-a8ff-1693098fb70f https://jobs.co.uk/job/principal-engineer-net-up-to-100000-bonus-hybrid-involved-solutions--91fa3ee2-6863-49f5-a8ff-1693098fb70f Sat, 25 Apr 2026 11:55:15 GMT Location: Coventry | Salary: 75000.00-75000.00 Annual | Type: Permanent | Principal .NET Engineer (Azure / Microservices)Salary: Up to £100,000 + Bonus + BenefitsLocation: Coventry or Central London - Hybrid (2 days per week onsite)Working Hours: 40 hours per week - Full timeJob Type: PermanentA globally established organisation is seeking an experienced Principal .NET Engineer to shape the future of enterprise technology used by millions of customers.This role will focus on engineering leadership, modern architecture, cloud-native delivery and driving best practice across multiple teams within a high-scale digital environment.Responsibilities for the Principal .NET Engineer:Define and evolve engineering strategy, standards and best practices across your domainLead technical direction across multiple engineering teams and programmesDesign and oversee delivery of large-scale, high-availability systems using modern Microsoft technologiesProvide expert guidance on technical risk, architecture decisions and prioritisationSupport Staff Engineers and delivery teams through hands-on technical leadershipDrive adoption of DevOps, CI/CD, automation and modern engineering practicesChampion secure-by-design principles, vulnerability management and risk reductionImpl... Permanent https://jobs.co.uk/job/principal-engineer-net-up-to-100000-bonus-hybrid-involved-solutions--db1046cc-8785-460a-95ce-c16b0b71bd6e https://jobs.co.uk/job/principal-engineer-net-up-to-100000-bonus-hybrid-involved-solutions--db1046cc-8785-460a-95ce-c16b0b71bd6e Sat, 25 Apr 2026 11:55:15 GMT Location: London | Salary: 75000.00-75000.00 Annual | Type: Permanent | Principal .NET Engineer (Azure / Microservices)Salary: Up to £100,000 + Bonus + BenefitsLocation: Coventry or Central London - Hybrid (2 days per week onsite)Working Hours: 40 hours per week - Full timeJob Type: PermanentA globally established organisation is seeking an experienced Principal .NET Engineer to shape the future of enterprise technology used by millions of customers.This role will focus on engineering leadership, modern architecture, cloud-native delivery and driving best practice across multiple teams within a high-scale digital environment.Responsibilities for the Principal .NET Engineer:Define and evolve engineering strategy, standards and best practices across your domainLead technical direction across multiple engineering teams and programmesDesign and oversee delivery of large-scale, high-availability systems using modern Microsoft technologiesProvide expert guidance on technical risk, architecture decisions and prioritisationSupport Staff Engineers and delivery teams through hands-on technical leadershipDrive adoption of DevOps, CI/CD, automation and modern engineering practicesChampion secure-by-design principles, vulnerability management and risk reductionImpl... Permanent https://jobs.co.uk/job/principal-engineer-java-up-to-100000-bonus-hybrid-involved-solutions--9dd15d6c-2e6c-49bb-aae8-f260169e2e3f https://jobs.co.uk/job/principal-engineer-java-up-to-100000-bonus-hybrid-involved-solutions--9dd15d6c-2e6c-49bb-aae8-f260169e2e3f Sat, 25 Apr 2026 11:55:15 GMT Location: London | Salary: 75000.00-75000.00 Annual | Type: Permanent | Principal Java Engineer (AWS / Microservices)Salary: Up to £100,000 + Bonus + BenefitsLocation: Coventry or Central London - Hybrid (2 days per week onsite)Working Hours: 40 hours per week - Full timeJob Type: PermanentA globally established organisation is seeking an experienced Principal Java Engineer to shape the future of large-scale digital platforms used by millions of customers.This role will focus on driving engineering excellence, defining technical standards and leading the design of scalable, high-availability systems across a modern cloud-native environment.Responsibilities for the Principal Java Engineer:Define and evolve engineering strategy, standards and best practices across your domainLead technical direction across multiple engineering teams and programmesDesign and oversee delivery of large-scale, distributed systems using modern technologiesProvide expert guidance on technical risk, architecture decisions and prioritisationSupport Staff Engineers and development teams with deep technical leadershipDrive adoption of DevOps, CI/CD, automation and modern engineering practicesLeverage AI and intelligent automation to improve productivity and delivery outcomesMentor... Permanent https://jobs.co.uk/job/principal-engineer-java-up-to-100000-bonus-hybrid-involved-solutions--5a0cc392-9d17-490c-b0fb-7c83b656ec47 https://jobs.co.uk/job/principal-engineer-java-up-to-100000-bonus-hybrid-involved-solutions--5a0cc392-9d17-490c-b0fb-7c83b656ec47 Sat, 25 Apr 2026 11:55:15 GMT Location: Coventry | Salary: 75000.00-75000.00 Annual | Type: Permanent | Principal Java Engineer (AWS / Microservices)Salary: Up to £100,000 + Bonus + BenefitsLocation: Coventry or Central London - Hybrid (2 days per week onsite)Working Hours: 40 hours per week - Full timeJob Type: PermanentA globally established organisation is seeking an experienced Principal Java Engineer to shape the future of large-scale digital platforms used by millions of customers.This role will focus on driving engineering excellence, defining technical standards and leading the design of scalable, high-availability systems across a modern cloud-native environment.Responsibilities for the Principal Java Engineer:Define and evolve engineering strategy, standards and best practices across your domainLead technical direction across multiple engineering teams and programmesDesign and oversee delivery of large-scale, distributed systems using modern technologiesProvide expert guidance on technical risk, architecture decisions and prioritisationSupport Staff Engineers and development teams with deep technical leadershipDrive adoption of DevOps, CI/CD, automation and modern engineering practicesLeverage AI and intelligent automation to improve productivity and delivery outcomesMentor... Permanent https://jobs.co.uk/job/principal-engineer-mechanical-abatec-recruitment--558eefa5-d368-477b-85b6-97e532169590 https://jobs.co.uk/job/principal-engineer-mechanical-abatec-recruitment--558eefa5-d368-477b-85b6-97e532169590 Fri, 24 Apr 2026 11:52:48 GMT Location: Exeter | Salary: 70000.00-70000.00 Annual | Type: Permanent | A great new opportunity to join a Water sector specialist who has recently been awarded tier-one framework status with South West Water and Bristol Water. My client, a national contractor with a company turnover of 200 million, requires a Principal Mechanical Engineer to be involved in Turnkey clean water with values from 20 million to over 100 million. As Principal Mechanical Engineer you will co-ordinate the design and produce design documents and drawings, taking into account health and safety requirements, specifications and standards pertaining to the contract. As Principal Mechanical Engineer you will: Be responsible for producing cost-effective design layouts to meet specification requirements and which can be constructed and commissioned effectively. Ensure that designs take into account all environmental and health and safety requirements. Write, monitor and review procedures and processes, ensuring continued development of the department. Assist in supervising and developing staff. Coordinate designs with all internal and external stakeholders Provide estimates and feedback for the Proposals department. Maintain files and records throughout the duration of contracts... Permanent https://jobs.co.uk/job/principal-engineer-electrical-and-ica-abatec-recruitment--3be1fd8d-b0a0-4bf0-a021-0db1eaa35536 https://jobs.co.uk/job/principal-engineer-electrical-and-ica-abatec-recruitment--3be1fd8d-b0a0-4bf0-a021-0db1eaa35536 Fri, 24 Apr 2026 11:52:48 GMT Location: Exeter | Salary: 70000.00-70000.00 Annual | Type: Permanent | A great new opportunity to join a Water sector specialist who has been awarded tier-one framework status with South West Water. Abatecs client, a national contractor with a company turnover of 200 million, requires a Principal Electrical Design Engineer to be involved in Turnkey clean water with values from 20 million to over 100 million. As Principal EICA Engineer you will be part of a team providing engineering design services to minimise our clients risks and maximise their profits. You will coordinate the design and produce design drawings and documents taking into account specifications, standards and health and safety requirements. As Principal Electrical and ICA Engineer you will: Be responsible for producing cost-effective design layouts to meet specification requirements and which can be constructed and commissioned effectively. Ensure that designs take into account all environmental and health and safety requirements. Write, monitor and review procedures and processes, ensuring continued development of the department. Assist in supervising and developing staff. Coordinate designs with all internal and external stakeholders Provide estimates and feedback for the Propos... Permanent https://jobs.co.uk/job/principal-engineer-claranet--b6b0524f-2c6b-4dc1-85cb-cd636595874b https://jobs.co.uk/job/principal-engineer-claranet--b6b0524f-2c6b-4dc1-85cb-cd636595874b Thu, 23 Apr 2026 11:52:42 GMT Location: City | Salary: 10000-500000 Annual | Type: Permanent | Role Mission To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with Microsoft Entra ID, unified security operations with Microsoft Defender XDR and Microsoft Sentinel, and modern endpoint and device management with Microsoft Intune and Microsoft Configuration Manager (SCCM/ConfigMgr), providing practical guidance, design assurance and implementation support where needed. Objectives and Key Results Deliver consulting-grade architecture assurance and outcomes for customers Provide high-quality architecture reviews and design assurance for complex customer opportunities and deliveries, highlighting risks, trade-offs and pragmatic options Produce clear customer-facing technical outputs (e.g., current-state assessments, target-state architectures, and phased roadmaps) that accelerate decision-making Improve consistency and reduce avoidable rework for customers by using repeatable patterns, checklists and standards aligned to Claranet ways of working. Essential Roles and Responsibilities Technical... Permanent https://jobs.co.uk/job/principal-engineer-the-highfield-company--1c962d2d-c1f7-4cea-992a-bb7902e13e3b https://jobs.co.uk/job/principal-engineer-the-highfield-company--1c962d2d-c1f7-4cea-992a-bb7902e13e3b Thu, 23 Apr 2026 11:52:42 GMT Location: Manchester | Salary: 50000.00-50000.00 Annual | Type: Permanent | Job Title: Project EngineerLocation: UK (various project sites)Sector: Infrastructure / Energy / UtilitiesOverview:An opportunity has arisen for a Project Engineer to support the delivery of infrastructure and energy projects. The role involves coordinating design, construction, and stakeholder activities to ensure safe, efficient, and timely project delivery.Key Responsibilities:Coordinate design inputs, site activities, and stakeholder requirementsSupport construction delivery, including supervision of subcontractors and site worksPrepare and review Risk Assessments and Method Statements (RAMS)Assist with programme planning, tracking progress, and identifying risksMaintain project documentation, records, and reportsEnsure compliance with health, safety, and environmental standardsRequirements:Degree in Civil Engineering or a related disciplineExperience within infrastructure, utilities, or energy sectors preferredKnowledge of construction processes and site-based deliveryStrong communication and organisational skillsAbility to manage multiple priorities in a fast-paced environmentDesirable:Experience working on substation, transmission, or renewable energy projectsMembership (or ... Permanent https://jobs.co.uk/job/principal-engineer-microsoft-claranet--bc771f6b-9090-4734-953c-578fce418948 https://jobs.co.uk/job/principal-engineer-microsoft-claranet--bc771f6b-9090-4734-953c-578fce418948 Thu, 23 Apr 2026 11:52:42 GMT Location: City | Salary: 10000-500000 Annual | Type: Permanent | Role Mission To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with Microsoft Entra ID, unified security operations with Microsoft Defender XDR and Microsoft Sentinel, and modern endpoint and device management with Microsoft Intune and Microsoft Configuration Manager (SCCM/ConfigMgr), providing practical guidance, design assurance and implementation support where needed. Objectives and Key Results Deliver consulting-grade architecture assurance and outcomes for customers Provide high quality architecture reviews and design assurance for complex customer opportunities and deliveries, highlighting risks, trade-offs and pragmatic options Produce clear customer-facing technical outputs (e.g., current-state assessments, target-state architectures, and phased roadmaps) that accelerate decision-making Improve consistency and reduce avoidable rework for customers by using repeatable patterns, checklists and standards aligned to Claranet ways of working. Essential Roles and Responsibilities Technical Le... Permanent https://jobs.co.uk/job/principal-engineer-cfd-nov--7cf78dfb-559e-45f8-b9c3-62a43432907c https://jobs.co.uk/job/principal-engineer-cfd-nov--7cf78dfb-559e-45f8-b9c3-62a43432907c Wed, 22 Apr 2026 23:00:00 GMT Location: Frimley | Salary: Negotiable | Type: Permanent | Job Description About the Role Working within the Technology team and aligned with NOV''s global engineering strategy, you will take responsibility for the technical aspects of Computational Fluid Dynamics (CFD) and scaled physical testing activities. You will act as a key technical focal point for CFD across the global organisation, providing guidance on analysis approaches and supporting both customer projects and internal technology development. This role combines deep technical expertise with ownership of capability development, requiring a pragmatic, hands-on approach to problem solving and workload management. About the Company NOV delivers technology-driven solutions that support the global energy and industrial sectors. With a heritage dating back to 1862, we are known for innovation, quality, and reliability. We operate globally, providing engineering expertise and advanced technologies that enable our customers to improve efficiency, safety, and performance across a wide range of applications. What We Offer Stable, long-term employment in a global organization Opportunity to shape and develop global CFD capability and influence technology directio... Permanent https://jobs.co.uk/job/principal-engineerarchitect-fruition-group--8d151da7-6a7e-4337-91df-bb11d52ba61e https://jobs.co.uk/job/principal-engineerarchitect-fruition-group--8d151da7-6a7e-4337-91df-bb11d52ba61e Wed, 22 Apr 2026 11:52:38 GMT Location: Leeds | Salary: 70000.00-70000.00 Annual | Type: Permanent | Principal Engineer/ArchitectLeeds (Hybrid - 2 days per week in office) £70,000 - £80,000 + strong pension + private healthcareMy client is continuing to expand their SaaS platform and is now seeking a Principal Engineer/Architect to take ownership of the technical direction, architectural evolution and innovation strategy. This is a senior, hands-on technical leadership role focused on ensuring the platform remains scalable, maintainable and performant as the organisation grows. You will work across all engineering teams to define architectural standards, guide complex technical decisions and lead initiatives that strengthen performance, reliability, technical sustainability and innovation.What will you do in the role?Architecture GovernanceDefine and maintain system architecture standardsGuide the evolution of platform architectureSupport major technical decisions across engineering teamsReview and approve complex technical designsTechnical Debt and ModernisationDefine and maintain a technical debt roadmapLead initiatives such as Front End modernisation and system restructuringImprove the long-term maintainability of the platformPerformance EngineeringIdentify and resolve system p... Permanent https://jobs.co.uk/job/principal-engineer-ordnance-survey--c141a04f-7b42-41ed-9a96-f207c41377b9 https://jobs.co.uk/job/principal-engineer-ordnance-survey--c141a04f-7b42-41ed-9a96-f207c41377b9 Wed, 22 Apr 2026 11:52:33 GMT Location: Southampton | Salary: 74781.00-74781.00 Annual | Type: Permanent | Principal Engineer Full Time £74,781.00 to £87,244.00 dependant on experience OSHQ Southampton Hybrid working Clear the path. Seek the story. Do what matters.Our principles At OS, how we work matters just as much as what we deliver. We are guided by three principles and will be use these to assess competencies during the hiring process: Clear the path - Cut the noise, simplify and remove blockers so work can move at pace Seek the story - Listen fully, build understanding, fact-check assumptions and speak up Do what matters - Focus on value, make deliberate stop/start/continue decisions, and recognise the contribution of others Who we areWe are Ordnance Survey, Great Britain''s national mapping service and a pioneer in geospatial technology. With over 230 years of trusted data, we empower better decisions, deeper understanding, and meaningful connections to the places we live, move through, and care for. Our Business Systems team plays a critical role in enabling Ordnance Survey to deliver secure, scalable and reliable technology services that underpin the organisation''s day-to-day operations. The team works collaboratively across OS, providing technical leadership, engineering cap... Permanent https://jobs.co.uk/job/principal-engineer-microsoft-claranet--316a6131-b5c9-43bd-b4c6-2415d7b6fc63 https://jobs.co.uk/job/principal-engineer-microsoft-claranet--316a6131-b5c9-43bd-b4c6-2415d7b6fc63 Tue, 21 Apr 2026 23:00:00 GMT Location: Covent Garden | Salary: Negotiable | Type: Permanent | Role Mission    To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with Microsoft Entra ID, unified security operations with Microsoft Defender XDR and Microsoft Sentinel, and modern endpoint and device management with Microsoft Intune and Microsoft Configuration Manager (SCCM/ConfigMgr), providing practical guidance, design assurance and implementation support where needed.   Objectives & Key Results Deliver consulting-grade architecture assurance and outcomes for customers Provide high quality architecture reviews and design assurance for complex customer opportunities and deliveries, highlighting risks, trade-offs and pragmatic options Produce clear customer-facing technical outputs (e.g., current-state assessments, target-state architectures, and phased roadmaps) that accelerate decision-making Improve consistency and reduce avoidable rework for customers by using repeatable patterns, checklists and standards aligned to Claranet ways of working.   Essential Roles & Responsibilities Tec... Permanent https://jobs.co.uk/job/principal-engineer-the-highfield-company--f7856a35-b2fa-4709-8b13-0dc69296a24b https://jobs.co.uk/job/principal-engineer-the-highfield-company--f7856a35-b2fa-4709-8b13-0dc69296a24b Tue, 21 Apr 2026 23:00:00 GMT Location: Golborne | Salary: £50000 - £75000/annum Package | Type: Permanent | Job Title: Project Engineer Location: UK (various project sites) Sector: Infrastructure / Energy / Utilities Overview: An opportunity has arisen for a Project Engineer to support the delivery of infrastructure and energy projects. The role involves coordinating design, construction, and stakeholder activities to ensure safe, efficient, and timely project delivery. Key Responsibilities: Coordinate design inputs, site activities, and stakeholder requirements Support construction delivery, including supervision of subcontractors and site works Prepare and review Risk Assessments and Method Statements (RAMS) Assist with programme planning, tracking progress, and identifying risks Maintain project documentation, records, and reports Ensure compliance with health, safety, and environmental standards Requirements: Degree in Civil Engineering or a related discipline Experience within infrastructure, utilities, or energy sectors preferred Knowledge of construction processes and site-based delivery Strong communication and organisational skills Ability to manage multiple priorities in a fast-paced environment Desirable: Experience working on substation, transmission, or renewable ener... Permanent https://jobs.co.uk/job/principal-engineer-architect-fruition-group--ff3cbef7-e7ec-48dd-bf93-cc54942be86b https://jobs.co.uk/job/principal-engineer-architect-fruition-group--ff3cbef7-e7ec-48dd-bf93-cc54942be86b Tue, 21 Apr 2026 23:00:00 GMT Location: Leeds | Salary: £80,000 | Type: Permanent | Principal Engineer / Architect Leeds (Hybrid - 2 days per week in office) £70,000 - £80,000 + strong pension + private healthcare My client is continuing to expand their SaaS platform and is now seeking a Principal Engineer / Architect to take ownership of the technical direction, architectural evolution and innovation strategy. This is a senior, hands-on technical leadership role focused on ensurin... Permanent https://jobs.co.uk/job/principal-engineer-the-highfield-company--544fba30-ead5-423d-a221-b0d5ebc6c19a https://jobs.co.uk/job/principal-engineer-the-highfield-company--544fba30-ead5-423d-a221-b0d5ebc6c19a Tue, 21 Apr 2026 23:00:00 GMT Location: Golborne | Salary: £50000 - £75000/annum Package | Type: Permanent | Job Title: Principal Engineer (Design) Location: North West England (office-based with site visits as required) Sector: Infrastructure / Energy / Utilities Overview: An opportunity has arisen for a Principal Engineer to join a multidisciplinary engineering team delivering design solutions across major infrastructure projects. The role focuses on providing safe, practical, and cost-effective designs while leading a team and supporting project delivery across all design phases. Key Responsibilities: Manage and develop a team of engineers Deliver technical drawings and reports for detailed design of linear infrastructure projects (e.g. pipelines, HV cable routes) Lead Pre-FEED, FEED, and detailed design stages Produce constructability reports and lead design risk assessments Review and approve technical documentation Coordinate design activities and support project reporting Provide technical input into tenders and support bid submissions Liaise with internal and external stakeholders and attend project meetings Undertake site visits where required Requirements: Degree in Civil or Mechanical Engineering Chartered Engineer status (or working towards) Experi... Permanent https://jobs.co.uk/job/principal-engineer-talent-international-uk-ltd--de4b74fe-7b40-4846-b364-dbf611a6bb7a https://jobs.co.uk/job/principal-engineer-talent-international-uk-ltd--de4b74fe-7b40-4846-b364-dbf611a6bb7a Tue, 21 Apr 2026 23:00:00 GMT Location: City of London | Salary: £550.00 - £600.00 per day | Type: Permanent | Job Description: Principal Engineer Rate Inside IR35 Remote, with occasional travel to London, Manchester, Newcastle Role Purpose The Principal Engineer will provide senior technical leadership for a complex mainframe modernisation programme characterised by a large case load, high throughput, and significant scalability and resilience requirements. The role is accountable for shaping and assuring ... Permanent https://jobs.co.uk/job/eci-principal-engineer-samuel-frank--5be23e9e-ccd5-4c16-9252-a898de461892 https://jobs.co.uk/job/eci-principal-engineer-samuel-frank--5be23e9e-ccd5-4c16-9252-a898de461892 Tue, 21 Apr 2026 23:00:00 GMT Location: Stafford | Salary: £75,000 | Type: Permanent | Principal Engineer ECandI - Staffordshire - £65-75k + hybrid working + 10% bonus + 30 days annual leave + BUPA +++Must have a British passport and not hold dual nationality for security clearance++ + Ambitious, growing company is recruiting for a Degree qualified Principal Engineer or a Senior / Lead Electrical Engineer ready to make the step up to Principal Engineer, with experience of managing mult... Permanent https://jobs.co.uk/job/principal-engineer-claranet--72e47afb-f2bc-4306-be53-462d383ce821 https://jobs.co.uk/job/principal-engineer-claranet--72e47afb-f2bc-4306-be53-462d383ce821 Tue, 21 Apr 2026 23:00:00 GMT Location: Covent Garden | Salary: Negotiable | Type: Permanent | Role Mission  To support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with Microsoft Entra ID, unified security operations with Microsoft Defender XDR and Microsoft Sentinel, and modern endpoint and device management with Microsoft Intune and Microsoft Configuration Manager (SCCM/ConfigMgr), providing practical guidance, design assurance and implementation support where needed. Objectives & Key Results   Deliver consulting-grade architecture assurance and outcomes for customers   Provide high-quality architecture reviews and design assurance for complex customer opportunities and deliveries, highlighting risks, trade-offs and pragmatic options  Produce clear customer-facing technical outputs (e.g., current-state assessments, target-state architectures, and phased roadmaps) that accelerate decision-making  Improve consistency and reduce avoidable rework for customers by using repeatable patterns, checklists and standards aligned to Claranet ways of working.  Essential Roles & Responsibilities ... Permanent https://jobs.co.uk/job/candi-lead-principal-engineer-first-technical-recruitment--e50659a6-6774-4658-853d-8cc4a7895dd6 https://jobs.co.uk/job/candi-lead-principal-engineer-first-technical-recruitment--e50659a6-6774-4658-853d-8cc4a7895dd6 Tue, 21 Apr 2026 11:52:56 GMT Location: Glasgow | Salary: 10000-500000 Annual | Type: Contract | Lead the future of gas transmission infrastructure in a high-impact, long-term FEED project! Our Client has a requirement for a CandI Lead Principal Engineer, who will be required to work on a contract basis in Glasgow. Role Purpose: Act as the functional Lead Engineer for a major project within the gas transmission industry click apply for full job details Contract https://jobs.co.uk/job/principal-engineering-geologist-penguin-recruitment-ltd--46b0830a-7eba-4365-b30b-db802819b7a5 https://jobs.co.uk/job/principal-engineering-geologist-penguin-recruitment-ltd--46b0830a-7eba-4365-b30b-db802819b7a5 Tue, 21 Apr 2026 11:52:43 GMT Location: Glasgow | Salary: 50000.00-50000.00 Annual | Type: Permanent | Principal Engineering Geologist Glasgow (remote working available) £50,000 - £70,000A well established environmental consultancy is seeking a Principal Engineering Geologist / Geotechnical Engineer to join their Glasgow office. This is an excellent opportunity for an experienced professional to take a leading role in delivering specialist geotechnical services across the minerals and construction sectors.You''ll be joining a respected consultancy with a strong presence across the UK, offering expertise in geoenvironmental, minerals, and surveying services. The role will involve both technical delivery and project leadership, working closely with internal teams and external stakeholders.The RoleAs a Principal Geotechnical Specialist, you will be responsible for:Delivering geotechnical assessments within the quarrying and construction sectorsUndertaking Regulation 32 Appraisals and Regulation 33 Geotechnical Assessments in line with industry standardsProducing Quarry Development Plans (QDPs)Carrying out slope stability assessments for both soil and rockManaging and organising ground investigationsProducing high-quality technical reportsLiaising with multidisciplinary teams across the... Permanent https://jobs.co.uk/job/principal-engineer-tetra-tech--bb061530-4dbf-4deb-b0f2-b6d4956dc10b https://jobs.co.uk/job/principal-engineer-tetra-tech--bb061530-4dbf-4deb-b0f2-b6d4956dc10b Sun, 19 Apr 2026 11:51:03 GMT Location: Cockermouth | Salary: 10000-500000 Annual | Type: Permanent | Are you an experienced engineer ready to take the next step into technical leadership? Tetra Tech is seeking aPrincipal Engineerto join our growing nuclear engineering team. This role combines hands-on technical delivery with increasing leadership responsibility, offering the opportunity to work on nationally significant nuclear projects while developing your career towards Chartered Engineer stat click apply for full job details Permanent https://jobs.co.uk/job/principal-engineer-fortinet-telent-technology-services-limited--07d0102e-ffe4-47c6-a2f3-c2a5a2ea06f2 https://jobs.co.uk/job/principal-engineer-fortinet-telent-technology-services-limited--07d0102e-ffe4-47c6-a2f3-c2a5a2ea06f2 Thu, 16 Apr 2026 11:53:08 GMT Location: Farnborough | Salary: 10000-500000 Annual | Type: Permanent | Principal Engineer - Fortinet When you join our Engineering Team at Telent, you''ll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation''s critical infrastructure connected and protected 24/7.Reporting into the Head of Focal Engineering, the Fortinet Principal Engineer will be responsible for leading the design and delivery of secure, high-performance Fortinet SD-WAN solutions for our enterprise and public sector customers.This is a hybrid working role, with a requirement to be in our Farnborough office around 2 days per month. Other travel may be required on an ad-hoc basis. What you''ll do: Lead the end-to-end design of secure SD-WAN solutions using Fortinet Secure SD-WAN. Define scalable, resilient architectures tailored for enterprise and public sector clients. Ensure alignment with customer requirements, SLAs, and regulatory standards.Act as the subject matter expert (SME) for Fortinet SD-WAN technologies. Provide guidance and mentoring to engineers and architects across projects. Drive best pract... Permanent https://jobs.co.uk/job/principal-engineering-geologist-penguin-recruitment--0cbdbd35-e6ac-4e3a-90ef-80c4e454769d https://jobs.co.uk/job/principal-engineering-geologist-penguin-recruitment--0cbdbd35-e6ac-4e3a-90ef-80c4e454769d Wed, 15 Apr 2026 23:00:00 GMT Location: Glasgow | Salary: £50000 - £70000/annum | Type: Permanent | Principal Engineering Geologist Glasgow (remote working available) -50,000 - -70,000 A well established environmental consultancy is seeking a Principal Engineering Geologist / Geotechnical Engineer to join their Glasgow office. This is an excellent opportunity for an experienced professional to take a leading role in delivering specialist geotechnical services across the minerals and construction sectors. You''ll be joining a respected consultancy with a strong presence across the UK, offering expertise in geoenvironmental, minerals, and surveying services. The role will involve both technical delivery and project leadership, working closely with internal teams and external stakeholders. The Role As a Principal Geotechnical Specialist, you will be responsible for: Delivering geotechnical assessments within the quarrying and construction sectors Undertaking Regulation 32 Appraisals and Regulation 33 Geotechnical Assessments in line with industry standards Producing Quarry Development Plans (QDPs) Carrying out slope stability assessments for both soil and rock Managing and organising ground investigations Producing high-quality technical reports Liaising with multi... Permanent https://jobs.co.uk/job/principal-engineer-fortinet-telent-technology-services-limited--0e2b7769-62d2-49ea-8a6c-9796d5de180c https://jobs.co.uk/job/principal-engineer-fortinet-telent-technology-services-limited--0e2b7769-62d2-49ea-8a6c-9796d5de180c Mon, 13 Apr 2026 23:00:00 GMT Location: Farnborough | Salary: Negotiable | Type: Permanent | Principal Engineer - Fortinet When you join our Engineering Team at Telent, you''ll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation''s critical infrastructure connected and protected 24/7. Reporting into the Head of Focal Engineering, the Fortinet Principal Engineer will be responsible for leading the design and delivery of secure, high-performance Fortinet SD-WAN solutions for our enterprise and public sector customers. This is a hybrid working role, with a requirement to be in our Farnborough office around 2 days per month. Other travel may be required on an ad-hoc basis. What you''ll do: Lead the end-to-end design of secure SD-WAN solutions using Fortinet Secure SD-WAN. Define scalable, resilient architectures tailored for enterprise and public sector clients. Ensure alignment with customer requirements, SLAs, and regulatory standards. Act as the subject matter expert (SME) for Fortinet SD-WAN technologies. Provide guidance and mentoring to engineers and architects across proj... Permanent https://jobs.co.uk/job/principal-engineer-synergetic-recruitment-group-limited--7dd18b56-884d-44b0-a831-8ab364ee10b9 https://jobs.co.uk/job/principal-engineer-synergetic-recruitment-group-limited--7dd18b56-884d-44b0-a831-8ab364ee10b9 Mon, 13 Apr 2026 23:00:00 GMT Location: Chelmsford | Salary: £100,000 | Type: Permanent | Principal Software Engineer Location: Cambridge Our client is scaling a large, distributed cloud platform and is looking for a Principal Engineer to act as the Subject Matter Expert (SME) across observability and cloud infrastructure. Youll be working at serious scale managing thousands of Kubernetes nodes, handling tens of terabytes of logs daily, and supporting millions of real-time metrics across ... Permanent https://jobs.co.uk/job/principal-engineer-technical-lead-kintec-global-recruitment--5e6bb2df-cfdb-4dbc-a3f5-17e8750f9d4a https://jobs.co.uk/job/principal-engineer-technical-lead-kintec-global-recruitment--5e6bb2df-cfdb-4dbc-a3f5-17e8750f9d4a Sun, 12 Apr 2026 23:00:00 GMT Location: Manchester | Salary: Negotiable | Type: Permanent | Principal Engineer / Technical Lead (Water) Location: UK (Hybrid), Manchester Contract Type: Permanent Salary: £90,000 + Benefits Why This Role Stands Out - Key technical leadership role across major water projects - Strong pipeline of long-term asset management programme work - Opportunity to influence standards and design quality - Blend of technical delivery, governance, and mentoring - Senior position with real impact on engineering capability Key Responsibilities - Overseeing design outputs to ensure safety, quality, and compliance - Reviewing and approving technical deliverables, reports, and specifications - Developing efficient design solutions based on scope and site inputs - Providing technical leadership to engineers, technicians, and graduates - Ensuring designs align with industry standards and client requirements - Managing and recording design changes across project lifecycles - Supporting planning and estimating of design activities - Attending and contributing to technical review meetings and workshops - Interpreting and implementing engineering standards and updates - Acting as a technical authority across projects and supporting tenders Requirements - Strong... Permanent https://jobs.co.uk/job/principal-engineer-claranet-limited--008d43f3-43c8-45bf-9c40-6261e1803425 https://jobs.co.uk/job/principal-engineer-claranet-limited--008d43f3-43c8-45bf-9c40-6261e1803425 Thu, 09 Apr 2026 11:53:14 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | Role MissionTo support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with Microsoft Entra ID, unified security operations with Microsoft Defender XDR and Microsoft Sentinel, and modern endpoint and device management with Microsoft Intune and Microsoft Configuration Manager (SCCM/ConfigMgr), providing practical guidance, design assurance and implementation support where needed.Objectives and Key ResultsDeliver consulting-grade architecture assurance and outcomes for customersProvide high-quality architecture reviews and design assurance for complex customer opportunities and deliveries, highlighting risks, trade-offs and pragmatic optionsProduce clear customer-facing technical outputs (e.g., current-state assessments, target-state architectures, and phased roadmaps) that accelerate decision-makingImprove consistency and reduce avoidable rework for customers by using repeatable patterns, checklists and standards aligned to Claranet ways of working.Essential Roles and ResponsibilitiesTechnical Leadership and... Permanent https://jobs.co.uk/job/principal-engineer-microsoft-claranet-limited--1dfa5b19-7a65-4d04-8eba-31f0d38307d6 https://jobs.co.uk/job/principal-engineer-microsoft-claranet-limited--1dfa5b19-7a65-4d04-8eba-31f0d38307d6 Thu, 09 Apr 2026 11:53:13 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | Role MissionTo support customer outcomes by making deep, hands-on Microsoft centric expertise available to customers and internal teams across hybrid identity, security and endpoint management. This includes Windows Active Directory and integration with Microsoft Entra ID, unified security operations with Microsoft Defender XDR and Microsoft Sentinel, and modern endpoint and device management with Microsoft Intune and Microsoft Configuration Manager (SCCM/ConfigMgr), providing practical guidance, design assurance and implementation support where needed.Objectives and Key ResultsDeliver consulting-grade architecture assurance and outcomes for customersProvide high-quality architecture reviews and design assurance for complex customer opportunities and deliveries, highlighting risks, trade-offs and pragmatic optionsProduce clear customer-facing technical outputs (e.g., current-state assessments, target-state architectures, and phased roadmaps) that accelerate decision-makingImprove consistency and reduce avoidable rework for customers by using repeatable patterns, checklists and standards aligned to Claranet ways of working.Essential Roles and ResponsibilitiesTechnical Leadership and... Permanent https://jobs.co.uk/job/principal-engineer-rubicon-consulting--d2ba5047-32cc-4a12-af17-e05eff97b424 https://jobs.co.uk/job/principal-engineer-rubicon-consulting--d2ba5047-32cc-4a12-af17-e05eff97b424 Wed, 08 Apr 2026 23:00:00 GMT Location: Glasgow | Salary: Negotiable | Type: Contract | Rubicon Consulting  is currently recruiting for a Principal Engineer on a 6-12 month contract, based in Glasgow Role Summary •   Coordinate the design team across all disciplines. •   Liaise with the Project Director on engineering budgets and provide forecast cost to complete estimates and associated justification to changes in expenditure. •   Manage the programme and interface with the planning engineers for design. •   Coordinate with the Principal Design Engineer (Lead Engineer) for design submission, design reviews and hazard reviews. •   Coordinate with the Principal Design Engineer (Lead Engineer) forecasts for completion and resource planning. •   Support the Project Director in overall projects’ risk and opportunity assessments and implementation of resulting actions. •   Contribute to the creation of subcontracts/Purchase Orders and manage the subcontractors/suppliers jointly with other involved functions. •   Support the Commercial Manager in contractual and commercial aspects of project engineering (including Customer’s Instruction, Early Warning Notice, Compensation Event ). •   Work with customers to shape and deliver solutions... Contract https://jobs.co.uk/job/principal-engineer-skipton-building-society--837d47c9-9e05-4d99-a28a-58d26febd068 https://jobs.co.uk/job/principal-engineer-skipton-building-society--837d47c9-9e05-4d99-a28a-58d26febd068 Tue, 07 Apr 2026 23:00:00 GMT Location: Skipton | Salary: Negotiable | Type: Permanent | Principal Engineer - Member Experience Platform At Skipton, were building the modern mutual of the future, one where seamless, secure and intuitive digital experiences help our members feel supported at every moment that matters. The Member Experience Platform is at the heart of this ambition, powering our Mobile App, Member Portal and Customer Identity capabilities. As our Senior Platform Owner , y... Permanent https://jobs.co.uk/job/electronics-component-principal-engineer-mbda-uk--b9e2f209-b9a4-4136-bb93-2b15ba781f69 https://jobs.co.uk/job/electronics-component-principal-engineer-mbda-uk--b9e2f209-b9a4-4136-bb93-2b15ba781f69 Tue, 07 Apr 2026 23:00:00 GMT Location: Greater Manchester | Salary: Negotiable | Type: Permanent | Bolton An exciting opportunity within Component Engineering team to help shape and play an important part in support across the business. No two days are the same supporting a large network of teams within the business. Salary : Circa £ 48,000 depending on experience Dynamic (hybrid) working : 2 days per week on-site due to workload classification Security Clearance : British Citizen or a Dual UK national with British citizenship Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to 15 additional days Flexible working: We welcome applicants who are looking for flexible working arrangements Enhanced parental leave: offers up to 26 weeks for maternity, adoption and shared parental leave -enhan... Permanent https://jobs.co.uk/job/electronics-component-principal-engineer-mbda-uk--ebd610ad-307e-48bf-ae1c-990e67c490e9 https://jobs.co.uk/job/electronics-component-principal-engineer-mbda-uk--ebd610ad-307e-48bf-ae1c-990e67c490e9 Sat, 04 Apr 2026 11:51:43 GMT Location: Manchester | Salary: 10000-500000 Annual | Type: Permanent | Bolton An exciting opportunity within Component Engineering team to help shape and play an important part in support across the business. No two days are the same supporting a large network of teams within the business. Salary: Circa £ 48,000 depending on experienceDynamic (hybrid) working: 2 days per week on-site due to workload classificationSecurity Clearance: British Citizen or a Dual UK national with British citizenshipRestrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team.What we can offer you:Company bonus: Up to £2,500 (based on company performance and will vary year to year)Pension: maximum total (employer and employee) contribution of up to 14%Overtime: opportunity for paid overtimeFlexi Leave: Up to 15 additional daysFlexible working: We welcome applicants who are looking for flexible working arrangementsEnhanced parental leave: offers up to 26 weeks for maternity, adoption and shared parental leave -enhancements are available for paternity leave, ne... Permanent https://jobs.co.uk/job/principal-engineer-mechanical-manpower-uk-ltd--3fa34785-2521-41de-b8ec-fb96e7b76518 https://jobs.co.uk/job/principal-engineer-mechanical-manpower-uk-ltd--3fa34785-2521-41de-b8ec-fb96e7b76518 Wed, 01 Apr 2026 23:00:00 GMT Location: Plymouth | Salary: £70 - £78/hour | Type: Contract | Role : Principal Mechanical Engineer Location : Devonport(2 days in a month onsite) Duration : 12 months Inside IR35 Umbrella About our client: Our client in Devonport is a leading engineering and maritime organisation specialising in the maintenance, repair, and overhaul of naval vessels. The site operates with a skilled workforce across mechanical, electrical, and technical disciplines, delivering high-quality and complex engineering projects. It offers a structured and collaborative working environment with opportunities for hands-on experience and professional development. The purpose of the Principal Engineer - Mechanical post is: To manage the delivery of mechanical engineering work packages to the required scope, quality, schedule and cost. Day-to-day, you''ll be supporting the engineering capability of the new systems through the design lifecycle in accordance with the design process: Applying systems engineering approach to develop and validate design requirements Ensuring compliance with client specifications, technical regulations and standards Collaboration across engineering functions and stakeholders to integrate designs within the overall facili... Contract https://jobs.co.uk/job/principal-engineering-manager-new-build-delivery-lead-awe--f2dbd24a-c4bd-4e2e-9937-c1d275ca3540 https://jobs.co.uk/job/principal-engineering-manager-new-build-delivery-lead-awe--f2dbd24a-c4bd-4e2e-9937-c1d275ca3540 Tue, 31 Mar 2026 23:00:00 GMT Location: Aldermaston | Salary: £10000 - £70000/annum pension | Type: Permanent | Principal Engineering Manager - New Build Delivery Lead Location: located between Reading and Basingstoke, with free onsite parking . Package: -70,000 to -100,000 ( depending on your suitability, qualifications, and level of experience) Working pattern: AWE operates a 9-day working fortnight. We will consider flexible working requests so that your work may fit in with your lifestyle. Just let us know your preferred working pattern on your application. Ready to play your part? At AWE, it''s not just a job, it''s far more than that. Let us introduce the role: AWE is currently recruiting for Principal Engineering Managers to act as Intelligent Client (IC), Principal Designer (PD) and hold Delegated Design Authority (DDA) across both the Nuclear , and Conventional New Build programmes. As a life cycle delivery lead, you will hold responsibility for providing strategic leadership and management of professional engineering services, in support of the CASD Programme and the company''s strategic goals. Our range of new build programmes for which we are recruiting include: Nuclear material processing, manufacturing, storage and w... Permanent https://jobs.co.uk/job/principal-engineer-tetra-tech--b08250d9-68be-4771-ac28-de3a3547a142 https://jobs.co.uk/job/principal-engineer-tetra-tech--b08250d9-68be-4771-ac28-de3a3547a142 Wed, 25 Mar 2026 00:00:00 GMT Location: Cheshire | Salary: Negotiable | Type: Permanent | Are you an experienced engineer ready to take the next step into technical leadership? Tetra Tech is seeking aPrincipal Engineerto join our growing nuclear engineering team. This role combines hands-on technical delivery with increasing leadership responsibility, offering the opportunity to work on nationally significant nuclear projects while developing your career towards Chartered Engineer stat... Permanent https://jobs.co.uk/job/principal-engineer-comms-surveillance-marlin-selection--d4159b63-5ed0-4a28-b6ce-60c196e5f894 https://jobs.co.uk/job/principal-engineer-comms-surveillance-marlin-selection--d4159b63-5ed0-4a28-b6ce-60c196e5f894 Tue, 24 Mar 2026 00:00:00 GMT Location: City of London | Salary: Negotiable | Type: Permanent | Our client, a leading name in global financial markets, is expanding its Communications Surveillance and Record Keeping Technology function in response to increasing regulatory scrutiny. With regulators worldwide elevating expectations around Market Abuse monitoring and robust Record Keeping controls, this is a critical and high-profile hire. We are seeking an exceptional Principal Engineer to play... Permanent https://jobs.co.uk/job/principal-engineer-tetra-tech--229d9574-885b-4559-87f6-1dac362c9813 https://jobs.co.uk/job/principal-engineer-tetra-tech--229d9574-885b-4559-87f6-1dac362c9813 Sun, 22 Mar 2026 00:00:00 GMT Location: Cockermouth | Salary: Negotiable | Type: Permanent | Are you an experienced engineer ready to take the next step into technical leadership? Tetra Tech is seeking aPrincipal Engineerto join our growing nuclear engineering team. This role combines hands-on technical delivery with increasing leadership responsibility, offering the opportunity to work on nationally significant nuclear projects while developing your career towards Chartered Engineer stat... Permanent https://jobs.co.uk/job/associateprincipal-engineer-depending-on-experience-chartered-engineer-tetra-tech--7b418617-4bf2-4590-92a3-b3f19e778683 https://jobs.co.uk/job/associateprincipal-engineer-depending-on-experience-chartered-engineer-tetra-tech--7b418617-4bf2-4590-92a3-b3f19e778683 Sat, 21 Mar 2026 00:00:00 GMT Location: Cockermouth | Salary: Negotiable | Type: Permanent | Join Tetra Tech as aChartered Structural Engineerand apply your expertise to technically demanding nuclear projects that require precision, compliance and engineering excellence. This role is designed for an experienced professional who enjoys solving complex problems and delivering high-quality structural design within a highly regulated environment. If you thrive on technical challenges and want... Permanent https://jobs.co.uk/job/associateprincipal-engineer-depending-on-experience-chartered-engineer-tetra-tech--090cb145-e8bd-49f6-b883-1fdd63dd058c https://jobs.co.uk/job/associateprincipal-engineer-depending-on-experience-chartered-engineer-tetra-tech--090cb145-e8bd-49f6-b883-1fdd63dd058c Sat, 21 Mar 2026 00:00:00 GMT Location: Cheshire | Salary: Negotiable | Type: Permanent | Join Tetra Tech as aChartered Structural Engineerand apply your expertise to technically demanding nuclear projects that require precision, compliance and engineering excellence. This role is designed for an experienced professional who enjoys solving complex problems and delivering high-quality structural design within a highly regulated environment. If you thrive on technical challenges and want... Permanent