Senior Solar & BESS Technical Lead

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Oxford, United KingdomJob Category:

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6Posted:

12.08.2025Expiry Date:

26.09.2025col-wideJob Description:Job Title: Senior Solar and BESS Technical LeadLocation:

Office-based with site visits; occasional travel requiredSalary: CompetitiveOverview:Our client is seeking an experienced Senior Technical Lead to design, optimise, and deliver high-quality solar PV and Battery Energy Storage Systems (BESS) for both commercial and domestic clients across the UK. You''ll be responsible for leading the full technical lifecycle-from feasibility assessments to pre-construction handover-ensuring all solutions are robust, cost-effective, and compliant with UK regulations.Key Responsibilities:

Lead the design of PV solar and BESS systems, producing layouts, SLDs, and schematics using PV*Sol, AutoCAD, and similar tools.

Conduct site assessments, irradiance and shading analysis, and yield estimations.

Manage grid connection design, including liaising with DNOs/IDNOs for G99/G100 applications.

Ensure full compliance with UK standards (BS/IEC), Building Regulations, and electrical safety codes.

Oversee system sizing, energy modelling, and battery storage optimisation.

Review designs from junior engineers and third-party contractors.

Produce technical documentation such as BOMs, specifications, risk assessments, and OandM manuals.

Support pre-sales activities with accurate cost estimations and technical input during bids and tenders.

Provide leadership during design, construction, and commissioning stages.

Stay up to date with UK renewable energy regulations and industry innovations.

Requirements:

5-7 years'' experience in solar PV design, including at least 2 in a senior or lead role.

Skilled in BESS integration and design.

Proficient with PV*Sol, AutoCAD, and familiar with G99/G100 and ENA EREC standards.

Solid understanding of UK electrical and safety regulations, CDM 2015, and BS/IEC standards.

Effective communicator and team leader.

Qualifications in Electrical Engineering, Renewable Energy, or equivalent.

Familiarity with MCS, G98/G99, and solar monitoring systems.

Degree or Chartered Engineer status.

Experience in planning and permitting processes.

Prior involvement in bidding or sales support.

About us: Allen and York have been matching purposeful people with purpose-led organisations for 30 years. We partner with our clients and candidates on roles that build an understanding of climate change, promote sustainability and create inclusive and responsible organisations, working towards a sustainable world for us all. Committed to inclusiveness in the workplace, we aim to increase diversity across all areas and therefore welcome applications from all qualified candidates, regardless of their ethnicity, race, gender, religious beliefs, sexual orientation, age, or whether or not they have a disability. Let''s help build a better world, together.Job Title: Senior Solar and BESS Technical LeadLocation:

Office-based with site visits; occasional travel requiredSalary: CompetitiveOverview:Our client is seeking an experienced Senior Technical Lead to design, optimise, and deliver high-quality solar PV and Battery Energy Storage Systems (BESS) for both commercial and domestic clients across the UK. You''ll be responsible for leading the full technical lifecycle-from feasibility assessments to pre-construction handover-ensuring all solutions are robust, cost-effective, and compliant with UK regulations.Key Responsibilities:

Lead the design of PV solar and BESS systems, producing layouts, SLDs, and schematics using PV*Sol, AutoCAD, and similar tools.

Conduct site assessments, irradiance and shading analysis, and yield estimations.

Manage grid connection design, including liaising with DNOs/IDNOs for G99/G100 applications.

Ensure full compliance with UK standards (BS/IEC), Building Regulations, and electrical safety codes.

Oversee system sizing, energy modelling, and battery storage optimisation.

Review designs from junior engineers and third-party contractors.

Produce technical documentation such as BOMs, specifications, risk assessments, and OandM manuals.

Support pre-sales activities with accurate cost estimations and technical input during bids and tenders.

Provide leadership during design, construction, and commissioning stages.

Stay up to date with UK renewable energy regulations and industry innovations.

Requirements:

5-7 years'' experience in solar PV design, including at least 2 in a senior or lead role.

Skilled in BESS integration and design.

Proficient with PV*Sol, AutoCAD, and familiar with G99/G100 and ENA EREC standards.

Solid understanding of UK electrical and safety regulations, CDM 2015, and BS/IEC standards.

Effective communicator and team leader.

Qualifications in Electrical Engineering, Renewable Energy, or equivalent.

Familiarity with MCS, G98/G99, and solar monitoring systems.

Degree or Chartered Engineer status.

Experience in planning and permitting processes.

Prior involvement in bidding or sales support.

About us: Allen and York have been matching purposeful people with purpose-led organisations for 30 years. We partner with our clients and candidates on roles that build an understanding of climate change, promote sustainability and create inclusive and responsible organisations, working towards a sustainable world for us all. Committed to inclusiveness in the workplace, we aim to increase diversity across all areas and therefore welcome applications from all qualified candidates, regardless of their ethnicity, race, gender, religious beliefs, sexual orientation, age, or whether or not they have a disability. Let''s help build a better world, ..... full job details .....