Commissioning Mechanical Engineer

Position overview

Commissioning duties

• Perform pre-functional and functional tests using approved method statements, ITPs, and test packs; record measurements and update punch/defect lists.
• Commission HVAC equipment and networks, including air-handling units, fans, pumps, chillers, cooling towers, heat exchangers, water loops, valves, actuators, and controls.
• Support water and air balancing and verify coil performance, damper positions, and leakage classes.
• Test ventilation and smoke control, including stair/lobby pressurization and car-park CO systems; record pressure, flow, and door-force data.
• Witness plumbing commissioning, including boilers, pumps, tanks, and heat exchangers; perform pressure and disinfection tests.
• Check readiness through flushing, cleaning, water quality, pressure tests, filter/coil hygiene, and fire damper drop checks.
• Execute CRAC and IT room load/heat tests and record trends and acceptance criteria.
• Participate in BMS checks, verify alarms and safeties, and support integrated testing with fire alarm, ELV, and electrical systems.
• Prepare evidence packs, arrange client/consultant witnessing, assist with cause-and-effect verification, and close out records.
• Contribute to O&M and training inputs and red-line/as-built updates; submit weekly status to the Commissioning Manager.

Required qualifications

• 5–8 years of mechanical testing and commissioning experience on mid-to-large projects.
• Hands-on TAB, pressure/leak/chlorination tests, smoke control checks, equipment functional tests, and IST participation.
• Knowledge of SBC, ASHRAE, SMACNA/DW144, NFPA, and IPC/CIBSE basics; HSE awareness including PTW/LOTO.
• Competence with meters and loggers for differential pressure, flow, and temperature, plus anemometers and manometers; disciplined reporting.

Preferred qualifications

• Complex-facility commissioning, including Tier III/IV data centers, hospitals, or laboratories, and authority/third-party approvals is preferred.
• BMS exposure, including Siemens, JCI, or Honeywell, as well as data loggers, trend analysis, and Power BI or advanced Excel is preferred.

About CSI Global