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Principal Mechanical Engineer

Aylin Whitelondon, united kingdom🇬🇧United KingdomPosted 21 Sept 2026

Why This Role Stands Out

Embrace a leadership role with a tier-one contractor, mentoring future engineers while driving innovative mechanical designs for critical infrastructure projects. This hybrid position offers significant career growth and a competitive salary between £60,000 - £70,000, perfect for experienced mechanical engineers seeking impactful work. You'll thrive here if you have a background in commercial or life science projects and possess strong design software skills.

Quick Overview

Salary
£60k - £70k/yr
Seniority
Leader
Work mode
Hybrid
Location
london, united kingdom, United Kingdom
HVACMechanical DesignRevit

Job Description

Principal Mechanical Design Engineer

£60,000 - £70,000 per annum DOE + Travel + Car Allowance

London

Due to several recent major project wins and in line with an ambitious growth plan, we are looking for a Principal Mechanical Design Engineer to join the London office of a tier one Mechanical and Electrical Sub-Contractor.

The Company

  • Tier one Sub-Contractor, specialising in Data Centres, Commercial and Fit-Out projects.
  • Established Design team, split between mechanical and electrical, with a wealth of experience.
  • Central London office close to major transport links.

Key Responsibilities

  • The Principal Mechanical Engineer will take a lead role on the successful delivery of innovative mechanical/ HVAC design on critical infrastructure projects in the UK and Europe.
  • The Principal Mechanical Engineer will be responsible for attending design team and client meetings and working with the wider multi-disciplinary engineering design team.
  • The Principal Mechanical Design Engineer will take responsibility for training and mentoring less experienced Engineers in the team.

Skills and Background

  • Background in commercial or life science projects, with new build and fit out experience required.
  • Competence on IES, Revit and Bluebeam.
  • Educated to Degree level or equivalent in either mechanical engineering or building services engineering.

If you are a Principal Mechanical Design Engineer and are looking for an opportunity with a leading Sub-Contractor and exposure to the Data Centre market, then this is the opportunity for you.

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