Data Center Mechanical Engineer

Core Responsibilities

• Design, review, and optimize mechanical systems for mission-critical data center facilities (HVAC, chilled water, DX, CRAC/CRAH, and containment systems).

• Support end-to-end project delivery – from concept design through commissioning and operational readiness.

• Perform thermal and capacity analysis to ensure system reliability and efficiency.

• Conduct root cause analysis (RCA) and implement corrective actions for mechanical system incidents.

• Develop and maintain Standard Operating Procedures (SOPs), Methods of Procedure (MOPs), and Emergency Operating Procedures (EOPs).

• Coordinate with electrical, structural, controls, and fire protection teams.

• Ensure compliance with ASHRAE, ISO, and local mechanical codes and standards.

• Drive energy efficiency initiatives to reduce PUE and operating costs.

• Oversee contractors and vendors during installation, testing, and commissioning phases.

• Support lifecycle asset management, maintenance, and continuous improvement of mechanical infrastructure.

Technical Requirements

In-depth knowledge of:

• • HVAC systems (CRAC/CRAH, AHUs, chillers, pumps, cooling towers, etc.)

  • Chilled water and condenser water systems

  • Containment strategies (hot/cold aisle, in-row, rear-door cooling)

  • BMS / Controls Systems (Tridium Niagara, Siemens, Schneider, etc.)

  • Computational Fluid Dynamics (CFD) modeling and analysis

  • Mechanical redundancy principles (N+1, 2N)

  • Load and capacity calculations

  • Reliability-centered maintenance

Professional Skills

• Strong problem-solving and analytical skills

• Excellent communication and documentation abilities

• Ability to manage multiple projects simultaneously

• Hands-on experience with commissioning processes (Level 1-5)

• Experience working in live, mission-critical environments with strict uptime SLAs

Darwin Recruitment is acting as an Employment Business in relation to this vacancy.

Darwin Recruitment is acting as an Employment Business in relation to this vacancy.

Alex Deery