Data Centre Commissioning Engineer

About the role Our Client commissions new data centres for major cloud and colocation clients across the UK. Demand for data centre capacity is growing fast, and we need a Commissioning Engineer to bring critical systems safely online. What you will do * Plan and carry out Level 1-5 commissioning of mechanical and electrical systems * Test cooling systems (CRAC/CRAH, chillers, liquid cooling) and power systems (UPS, generators, switchgear) * Write and run test scripts, then record and report results * Witness factory and site acceptance tests * Find and resolve faults before handover * Work with contractors, designers and clients on live sites What you need * HNC, degree or apprenticeship in Mechanical or Electrical Engineering * 2+ years of commissioning experience, ideally in data centres or other critical environments * Strong understanding of HVAC or LV/MV power systems * Comfortable working to strict procedures on live sites * Full UK driving licence and willingness to travel Nice to have * F-Gas or 18th Edition qualifications * HV Authorised Person experience * Integrated Systems Testing (IST) experience