Site Commissioning Engineer - UK & Europe

The Site Commissioning Engineer manages and executes commissioning activities for data centre projects, ensuring that mission-critical systems are installed, tested, integrated, and handed over safely and efficiently with a satisfied customer.

About The Role

Role Function

Key Responsibilities

Commissioning Planning

• Develop commissioning plans, procedures, and schedules which align with clients commissioning schedules
• Review design documents, specifications, and construction drawings.
• Coordinate commissioning activities with contractors, consultants, and clients.
• Support risk assessments and method statements.

System Testing and Validation

• Carry out, witness and verify factory acceptance tests (FATs) and site acceptance tests (SATs).
• Perform pre-functional and functional testing of:

  1. Electrical systems (switchgear, transformers, UPS systems, generators, PDUs).

  2. Mechanical systems (chillers, CRAH/CRAC units, cooling towers, pumps).
  3. Building Management Systems (BMS).
  4. Electrical Power Monitoring Systems (EPMS).
  5. Fire detection and suppression systems.
• Execute integrated systems testing (IST).

Quality Assurance

• Ensure systems comply with:

  1. Project specifications.

  2. Client requirements.
  3. Industry standards and regulations.
• Identify defects and manage resolution through commissioning trackers.

Coordination and Reporting

• Coordinate with:

  1. Construction teams.

  2. Equipment vendors.
  3. Design consultants.
  4. Operations teams.
• Prepare commissioning reports and test documentation.
• Track progress against commissioning schedules.

Handover and Closeout

• Verify completion of all commissioning activities.
• Compile operation and maintenance (O&M) documentation.
• Support client training and final handover.
• Ensure all systems are ready for live operation

Required Criteria

• Do you have a background in MEP, construction, facilities, or commissioning?
• Do you have experience on mission-critical facilities, industrial plants, or data centres?
• Have you Managed commissioning programmes on large-scale data centre projects?
• Do you hold a degree or Higher National Diploma (HND) in electrical, mechanical, building services, energy engineering or time served?

Desired Criteria

• Do you hold any of the following certificates? CIBSE Commissioning qualifications. ASHRAE commissioning-related training. Uptime Institute Accredited Tier Specialist (ATS). Health & Safety certifications (CSCS, SMSTS), 18th Edition Wiring Regulations (2382), Testing & Inspection City & Guilds 2391-52

About The Company

TES provide clients with an all encompassing service from initial project conception right through to design, construction, installation and maintenance. We support our clients throughout the lifecylce of the project. TES use in-house resources in the delivery of your projects; from design through to installation and operation. This provides clients and partners with the reassurance of our control over delivery throughout a projects lifecycle.

Company Culture

At TES Group, our company culture is built on collaboration, innovation, and integrity. We foster an inclusive environment where every team member’s ideas are valued, encouraging creativity and continuous improvement. Our people are passionate about delivering sustainable engineering solutions that make a positive impact on communities and the environment. We prioritize professional growth, safety, and well-being, empowering our employees to thrive both personally and professionally. By promoting open communication, mutual respect, and shared success, we’ve cultivated a workplace where dedication and teamwork drive exceptional results and lasting client relationships.

Company Benefits

Health insurance, Retirement plan and/or pension, Life insurance, Progression opportunities

Salary

Not disclosed