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# Data Centre Engineer

- **Company:** Apex Systems Inc
- **Location:** London, UK
- **Salary:** £58,240.0 - £66,560.0
- **Contract:** Permanent contract
- **Skills:** Data Centers, Supervisory Control and Data Acquisition (SCADA)
- **Published:** September 22, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2983182123-2

## About the Role

* Must have data center background.
 * Demonstrable experience working with pressurized water systems, pipework installations, and fluid distribution networks.
 * Knowledge of mechanical systems (Mechanical, HVAC systems, Controls).
 * Experience reading and writing procedures, technical documents, and engineering drawings.
 * Knowledge of generic mechanical room infrastructure such as chillers, cooler units, and fan controls.
 * NVQ Level 3 in Mechanical, Electrical or Mechatronics, or NFQ Level 3 (or equivalent).
 * Knowledge of ACOP L8 and HSG274 guidance, with experience implementing compliant water treatment regimes.
 * Practical understanding of fluid dynamics principles including flow rates, pressure drop, and heat transfer.
 * Ability to work a flexible schedule, including weekends, nights, and holidays.

Preferred Qualifications

 * Experience with EPMS/SCADA/BMS controls system software or hardware.
 * Direct experience with liquid cooling technologies such as CDUs or rear-door heat exchangers.
 * City & Guilds 2079 or equivalent Legionella control qualification.
 * Knowledge of water treatment processes including closed-loop and open-loop system management.
 * IOSH Managing Safely or NEBOSH General Certificate.
 * Experience with commissioning or decommissioning of mechanical systems.
 * Understanding of cooling architectures and thermal management principles.
 * Preferred backgrounds include construction, banking, or manufacturing/factory environments.

## Description

* Install, maintain, and repair pipework, fittings, valves, and manifolds across cooling distribution loops and water circuits.
 * Operate and maintain air handling units (AHUs), chillers, cooling towers, evaporative cooling systems, and liquid cooling infrastructure.
 * Perform pressure testing, leak detection, and system integrity checks on pressurized water circuits.
 * Manage water treatment programs in line with ACOP L8 and HSG274 requirements.
 * Maintain and troubleshoot pumps, heat exchangers, coolant distribution units (CDUs), and associated mechanical components.
 * Monitor thermal performance of cooling systems to optimize flow rates and energy efficiency.
 * Support commissioning and decommissioning of mechanical cooling infrastructure.
 * Perform routine preventive maintenance on mechanical assets.
 * Respond to alarms and incidents related to leaks, pressure anomalies, or thermal exceedances.
 * Maintain accurate records of maintenance activities, water treatment logs, and system parameters.
 * Collaborate with controls engineers on BMS/SCADA integration for mechanical plant monitoring.
 * Adhere to all site safety procedures including permit-to-work and LOTO.


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