Senior Mechanical Project Engineer London | Hyper-Scale Data Centre Programme - UK - 90,000–95,000 + Accommodation + Car/Travel Allowance + Benefits - LJB Recruitment

Senior Mechanical Project Engineer

£90,000–£95,000 + Accommodation + Car/Travel Allowance + Benefits

London | Hyper-Scale Data Centre Programme

A leading international M&E contractor delivering some of Europe’s most complex mission-critical facilities is growing its mechanical engineering team on a major London data centre project. This contractor is known for engineering excellence, long-term career development, and delivering high-value hyperscale campuses across the UK and EU.

This is a senior-level role with influence across design, delivery, coordination, quality and commissioning.

Role Overview

Lead mechanical engineering delivery across major mechanical packages

Drive design review, technical submittals, RFI management & design validation

Manage daily coordination between engineering, installation and commissioning teams

Oversee subcontractor performance, installation quality and programme adherence

Work with BIM, QA/QC and commissioning to align quality and handover requirements

Provide technical leadership, mentoring junior engineers and supporting project strategy

Interface with the client, consultant teams and internal leadership

Support project governance, weekly reporting, risk/issue tracking and milestone planning

What You Bring

6–10+ years mechanical engineering/project engineering experience

Exposure to mission-critical, data centre, pharma or complex MEP builds

Strong understanding of HVAC, refrigeration, chilled water, plant & pipework systems

Ability to manage large mechanical packages from design through commissioning

Leadership, communication and stakeholder management strengths

Strong documentation, technical reporting and problem-solving ability