Principal Mechanical Engineer

Company: Aldwych Consulting
Apply for the Principal Mechanical Engineer
Location: Leeds
Job Description:

Overview

In this role you will lead mechanical design delivery for major Data Centre and Mission Critical projects, guiding from concept to completion. You will act as a technical point of contact, coordinating internal teams and external consultants while maintaining high standards of quality and commercial delivery. The position blends hands-on technical leadership with client-facing relationship management across the UK, Ireland and Europe. This opportunity offers exposure to live plant upgrades, data halls and critical facilities in a collaborative, growth-focused environment. You will shape technical direction within a specialist data centre team and benefit from strong development opportunities

Pay / Benefits

  • 9-day fortnight
  • hybrid and flexible working
  • 25 days’ annual leave (increasing with service)
  • private medical cover
  • electric vehicle salary sacrifice
  • stock/share options

Responsibilities

  • Lead the mechanical design delivery of significant and complex projects
  • Own technical quality, design objectives and project delivery
  • Define and manage design briefs with clients and stakeholders
  • Lead and coordinate multidisciplinary design teams
  • Support and mentor project engineers and specialist teams
  • Represent the consultancy at client and project meetings
  • Build and maintain strong client relationships
  • Identify project and procurement risks and support commercially successful delivery
  • Ensure designs meet required technical, quality and programme standards

Key requirements

  • Experienced Senior/Principal Mechanical Engineer with building services background
  • Proven track record delivering complex Data Centre projects
  • Experience leading design teams and multidisciplinary projects
  • Strong client-facing and stakeholder management skills
  • Commercial awareness including cost and risk management
  • Excellent communication and organisational skills
  • Ability to manage multiple priorities and demanding programmes
  • Experience with Revit, Navisworks and AutoCAD
  • Chartered status or clear pathway towards chartership (advantageous)
  • strong communication
  • stakeholder management
  • leadership
  • mechanical/building services engineering
  • data centre and mission critical project delivery
  • Revit

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Posted: October 11th, 2026