Job Title: Commissioning Mechanical Engineer – Data Centres – ENGLISH NECESSARY
Europe / Ireland (Project-Based) | Tier 1 Contractor
Overview
We are seeking an experienced Commissioning Mechanical Engineer with a strong background in data centre environments to lead the commissioning of critical HVAC and mechanical systems. This role focuses on air and water-side systems, including performance validation of flow rates, air volumes, and system balancing, ensuring all installations meet mission-critical standards.
Key Responsibilities
- Lead commissioning of mechanical systems across data centre projects
- Commission HVAC systems including CRAH/CRAC units, chillers, AHUs, and cooling infrastructure
- Perform and validate air-side commissioning:
- Airflow measurement (CFM)
- Air changes per hour (ACH)
- Pressurisation and containment performance
- Perform and validate water-side commissioning:
- Chilled water and condenser water flow rates (L/s, m³/h)
- Pump performance and head pressure verification
- System balancing across distribution networks




- Verify thermal performance and cooling capacity against design criteria
- Develop and execute commissioning plans, scripts, and procedures
- Lead system balancing activities (TAB – Testing, Adjusting & Balancing)
- Support and coordinate pre-commissioning, functional testing, and IST
- Witness and manage FAT & SAT for mechanical systems
- Troubleshoot performance issues related to flow, pressure, and temperature stability
- Coordinate with BMS/controls teams for system optimisation and integration
- Ensure compliance with project specifications, ASHRAE guidelines, and client standards
- Maintain detailed commissioning records, reports, and validation documentation
- Support project handover including O&M; manuals and client training

Requirements
- Degree in Mechanical Engineering or related discipline
- Minimum 5 years’ data centre commissioning experience (essential)
- Strong hands-on experience with HVAC systems in missio

📌 Data Centre Commissioning Engineer: HVAC (Región Metropolitana)
🏢 Crewit Resourcing Group
📍 Región Metropolitana