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.

Alex Deery