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🥝 Principal Mechanical Engineer - Mission Critical

Energi People | London, United Kingdom | Posted June 20, 2026

Job Description

Principal Mechanical Engineer
 
Location:  London
 
Salary: £65,000 - £85,000
 
Are you a talented Principal Mechanical Engineer looking to work on some of the most inspiring and socially impactful projects in the world?  
 
This is your opportunity to join a globally respected, employee-owned consultancy that blends technical excellence with a deep commitment to shaping a better world. 
 
YOUR NEW ROLE 
 
As a Principal Mechanical Engineer, you will play a key role in delivering multidisciplinary projects across sectors such as transport, education, healthcare, arts, and urban regeneration. You’ll collaborate with experts in architecture, structural engineering, sustainability, and digital design to create innovative, inclusive, and resilient infrastructure. 

YOU WILL 

Lead mechanical design delivery across all RIBA stages 
Collaborate with multidisciplinary teams to ensure seamless project execution 
Liaise confidently with clie...

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