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Principal Mechanical Engineer

Job in Leeds, West Yorkshire, ME17, England, UK
Listing for: Aldwych Consulting Ltd
Full Time position
Listed on 2026-10-11
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists, Building Services Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 110000 GBP Yearly GBP 80000.00 110000.00 YEAR
Job Description & How to Apply Below
Principal Mechanical Engineer - Data Centre & Mission Critical Leeds | Hybrid Working | 9-Day Fortnight

I'm currently working with a leading engineering consultancy that is looking to appoint a Principal Mechanical Engineer to join its growing Data Centre & Mission Critical team in Leeds.

This is an excellent opportunity for an experienced mechanical/building services engineer to take a senior technical and project leadership position, working on some of the most complex and technically demanding projects across the UK, Ireland and Europe.

The Opportunity

You'll take a leading role in the delivery of major Data Centre and Mission Critical projects, overseeing mechanical design from initial concept through to completion.

The role offers exposure to a broad range of technically challenging environments, including:

  • Data centres and critical facilities
  • Live plant upgrades
  • Data halls and close-control environments
  • Financial-sector and trading-floor environments
  • Critical engineering infrastructure
  • Due diligence and assessment of existing facilities

As Principal Engineer, you'll act as a key technical point of contact for clients and project teams. You'll lead internal design teams, coordinate with other disciplines and external consultants, and ensure projects are delivered to a high technical and commercial standard.

Key Responsibilities
  • Lead the mechanical design delivery of significant and complex projects.
  • Take ownership of technical quality, design objectives and project delivery.
  • Establish and manage design briefs with clients and project stakeholders.
  • Lead and coordinate multidisciplinary design teams.
  • Manage, prioritise and support project engineers and specialist teams.
  • Represent the consultancy at client and project meetings.
  • Build and maintain strong client relationships.
  • Identify potential project and procurement risks and support commercially successful delivery.
  • Ensure designs and deliverables meet the required technical, quality and programme standards.
What We're Looking For

You’ll ideally be an experienced Senior/Principal Mechanical Engineer with a strong background in building services and demonstrable experience within the Data Centre or Mission Critical sector
.

We’re particularly interested in candidates who can demonstrate:

  • Strong technical knowledge of mechanical/building services engineering.
  • Significant experience delivering complex Data Centre projects.
  • Experience leading design teams and multidisciplinary projects.
  • Strong client-facing and stakeholder management skills.
  • Commercial awareness, including project cost and risk management.
  • Excellent communication and organisational skills.
  • The ability to manage multiple priorities and demanding project programmes.
  • Experience with Revit, Navisworks and AutoCAD
    .
  • Chartered status, or a clear pathway towards chartership, would be advantageous.
  • A genuine interest in developing others and sharing technical expertise.
Benefits & Package

The role comes with a strong overall benefits package designed to support both career development and work-life balance, including:

  • 9-day fortnight - giving you a regular additional day off while maintaining your full-time role.
  • Hybrid and flexible working arrangements.
  • 25 days' annual leave
    , increasing with length of service.
  • Private medical cover.
  • Electric vehicle salary sacrifice scheme.
  • Stock/share options.
  • Extensive professional and technical development opportunities.
  • Opportunities to get involved in a range of community, networking and social groups
    .
  • A supportive environment focused on career progression, technical development and employee wellbeing.
Why Consider It?

This is more than a pure design position. It’s an opportunity to take technical ownership of major mission-critical projects
, work directly with high-profile…

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