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Permanent

Principal Mechanical Engineer

Skilled Careers
London
money-bag Negotiable
Posted: 22 September 2026 (Today)
Closing date: 21 October 2026
Ref: 225631944

Principal Mechanical Engineer – Data Centres/Building Services 

Location: London
Type: Permanent, Full-time
Salary: Competitive, dependent on experience

A leading international M&E consultancy is seeking an experienced Principal Mechanical Engineer to join its growing Data Centre and Technology team.

Key Responsibilities

  • Lead the mechanical design of complex data centre and technology projects.

  • Manage projects from concept through to construction and completion.

  • Lead and mentor mechanical engineering teams.

  • Develop and review mechanical designs, specifications, calculations and technical documentation.

  • Coordinate designs with clients, architects, contractors and other disciplines.

  • Manage project programmes, deliverables, quality and technical compliance.

  • Provide technical leadership and resolve complex engineering issues.

  • Attend and lead client and design team meetings.

  • Support project delivery, commercial management and business development.

  • Ensure designs comply with relevant UK regulations, standards and Health & Safety requirements.

Requirements

  • Degree/HNC/HND in Mechanical Engineering or equivalent.

  • CEng with professional membership such as CIBSE or IMechE.

  • 10+ years' experience in mechanical engineering, ideally within consultancy.

  • Strong experience delivering data centre, mission-critical or other complex building projects.

  • Proven experience leading multidisciplinary engineering teams.

  • Strong knowledge of mechanical building services, including HVAC, cooling, heating and associated systems.

  • Experience taking projects from concept/design through construction.

  • Strong client-facing, communication and leadership skills.

  • Good understanding of UK Building Regulations, CIBSE guidance and relevant standards.

  • Commercial awareness and experience managing project deliverables and fees.

  • Proficient in Microsoft Office and relevant engineering/design software.

  • Willingness to travel when required.

Benefits

  • Competitive salary

  • Hybrid working

  • 23–28 days' annual leave

  • Pension and healthcare

  • Bonus opportunities

  • Training and professional development

  • Holiday purchase scheme

  • Wellness initiatives

  • Strong career progression and mentoring opportunities

Apply now for a senior opportunity within a growing Data Centre and Technology team.

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