Principal Mechanical Engineer

Job description

Senior / Principal Mechanical Engineer – Building Services

London (Hybrid Working)

Are you a Senior or Principal Mechanical Engineer looking to step into a role where you can lead projects, influence design, and be part of a genuinely supportive team?

An established building services consultancy is looking to strengthen its London team, offering the chance to work on a varied portfolio of high-quality projects across sectors including commercial, residential, healthcare, education, and mixed-use developments. You’ll be based in a modern, well-appointed office environment, with the flexibility of hybrid working.

The Role

• Lead mechanical design across all RIBA stages
• Deliver HVAC and public health solutions on complex projects
• Act as a key contact for clients and project stakeholders
• Support project delivery, technical reviews, and resourcing
• Mentor and develop junior engineers

About You

• Strong experience in mechanical building services design within a consultancy
• Solid knowledge of UK regulations and best practice
• Confident leading projects and building client relationships
• Chartered or working towards (desirable)
• Excellent communication and coordination skills

What’s On Offer

• Modern, high-quality office environment
• Hybrid and flexible working
• Private healthcare
• Annual bonus scheme
• Clear progression opportunities
• Collaborative and well-established team

If you’re looking for a role that combines technical challenge, career progression, and a great working environment, I’d love to hear from you.

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Extra information

Status

Open

Education Level

Secondary School

Location

City of London

Type of Contract

Full-time jobs

Published at

01-03-2026

Profession type

Technical

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English