Contract
Critical Facilities Engineer
Apex Systems US
Dagenham
Posted: 14 September 2026 (Yesterday)
Closing date: 14 October 2026
Ref: 225605247
Ideal Candidate Profile
We''re seeking a hands-on Mechanical Engineer to support the operation and maintenance of critical cooling and water systems within a mission-critical environment.
Key Requirements:
- Mechanical maintenance experience within Data Centres, Banking, Manufacturing, Industrial, Critical Facilities or Large Commercial environments.
- Strong knowledge of:
- Chillers
- Cooling Towers
- AHUs / FCUs
- Pumps & Motors
- Pressurisation Units
- Plate Heat Exchangers
- Domestic & LTHW/CHW Systems
- Plant Rooms
- Experience carrying out PPM and reactive maintenance.
- Water Treatment and Water Hygiene experience.
- Legionella / ACOP L8 knowledge highly desirable.
- Experience using BMS systems for monitoring and fault investigation.
- Fault-finding capability across mechanical building services infrastructure.
- Experience working within permit-to-work and safety-critical environments.
Desirable:
- Data Centre experience.
- Critical environment experience.
- Cooling tower testing and water treatment programmes.
- F-Gas qualification.
- Mechanical apprenticeship, NVQ, City & Guilds or equivalent qualification
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