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Testing & Commissioning Engineer – M&E | Data Centres & Commercial Projects Location: London & Home Counties
Type: Permanent
Salary: £55,000 – £70,000 + Package (DOE)
About the Role A Tier 1 contractor delivering high-value data centre and commercial building projects is looking for an experienced M&E Testing & Commissioning Engineer to support the successful delivery, integration, and performance verification of all mechanical and electrical systems.
You’ll be at the coalface of quality and technical compliance, making sure systems are installed, tested, and commissioned in line with rigorous programme demands and client standards. Expect fast-paced environments, cutting-edge technology, and projects where precision really matters.
Key Responsibilities
Carry out testing, inspection, and commissioning of mechanical and electrical systems across multiple projects.
Support the development of commissioning plans, test scripts, and quality procedures.
Inspect installations for compliance with design specifications, standards, and commissioning requirements.
Work closely with the Commissioning Manager to track progress, identify issues, and drive resolutions.
Monitor system performance, capturing data and producing accurate commissioning reports.
Liaise with MEP contractors, subcontractors, and specialist vendors during testing phases.
Assist in client demonstrations, witnessing tests, and supporting final handovers.
Ensure all works comply with H&S protocols, technical standards, and project governance.About You
Experience as a Testing & Commissioning Engineer, Commissioning Technician, or similar M&E role.
Strong understanding of mechanical and electrical building services, ideally within data centres or mission-critical environments.
Confident working with systems such as:
HVAC and chilled water
LV distribution
Generators & UPS
Fire systems
BMS/Controls
Ability to read technical drawings, commissioning schedules, and design documentation.
Comfortable working to tight deadlines and managing multiple work fronts.Qualifications
HNC/HND or Degree in Electrical, Mechanical, or Building Services Engineering.
CSCS (Engineering/Technical).
Commissioning training or vendor certifications (desirable).
SMSTS/SSSTS advantageous.Why Join
Work on cutting-edge data centre builds and flagship commercial projects.
Opportunities for rapid progression into Senior Commissioning or Commissioning Manager roles.
Strong pipeline of London-based major projects.
Competitive salary, package, and long-term stabilityDo not include the following in your job application, CV, or cover letter:
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Looking for your next career move? Join a top company hiring Testing and Comssioning Engineer job near me in London! This is your chance to work on exciting projects, grow professionally, and enjoy a rewarding career with competitive pay and excellent benefits. Whether you're an experienced professional or looking to take the next step, this role offers the perfect opportunity to enhance your skills and make an impact. Don’t miss out—apply today via Vita CV and take your career to the next level!
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