Mechanical Commissioning Engineer 12 Months Outside IR35 - £600 per day London and South Wales - Site Based Data Centres / Mission-Critical Infrastructure
PROJECT OVERVIEW
RESPONSIBILITIES
- Lead mechanical commissioning activities across data centre developments.
- Oversee commissioning of chilled water systems, chillers, CRAH/CRAC units, AHUs, pumps and associated HVAC equipment.
- Coordinate pre-commissioning inspections, pressure testing, flushing and system balancing.
- Manage functional performance testing of critical cooling infrastructure.
- Support Integrated Systems Testing (IST), including cooling failure simulations, redundancy testing and recovery procedures.
- Coordinate mechanical subcontractors, specialist vendors and commissioning teams.
- Review mechanical drawings, P&IDs, commissioning procedures and technical documentation.
- Monitor commissioning progress against programme milestones.
- Identify and resolve commissioning defects and outstanding works.
- Coordinate with electrical commissioning teams to ensure integration of mechanical and electrical systems.
- Prepare commissioning reports, test records and handover documentation.
SKILLS / REQUIREMENTS
- Proven mechanical commissioning experience within data centres or mission-critical environments.
- Strong technical knowledge of chilled water systems, HVAC plant and critical cooling infrastructure.
- Experience commissioning CRAH/CRAC units, AHUs, chillers and pumps.
- Understanding of data centre redundancy and cooling resilience.
- Experience managing subcontractors and specialist equipment vendors.
- Familiarity with FAT, SAT, functional performance testing and IST.
- Ability to interpret mechanical drawings, P&IDs and technical specifications.
- Strong commissioning documentation and handover experience.
CERTIFICATIONS
- HNC/HND or degree in Mechanical Engineering, Building Services or equivalent experience.
- CSCS card.
- SMSTS or SSSTS desirable.
- Relevant site safety qualifications.
DESIRABLE
- Hyperscale data centre commissioning experience.
- Experience working on live mission-critical facilities.
- Familiarity with commissioning management platforms such as CxAlloy.
- Experience with high-density or liquid cooling systems.
- Knowledge of BMS integration and mechanical control strategies
Mechanical Commissioning Engineer in City of London employer: JAM Recruitment Ltd
BAE Systems is an exceptional employer, offering a dynamic work environment where innovation and collaboration thrive. With a strong focus on employee growth and development, you will have access to cutting-edge technology and the opportunity to contribute to meaningful projects that enhance global security. Located in Christchurch or Frimley, you will be part of a diverse team dedicated to pioneering advancements in defence and aerospace, ensuring a rewarding career path in a company that values your unique skills and perspectives.
