At CSI Global, we specialize in delivering advanced electromechanical, testing, and commissioning services across the GCC and Globally. We power infrastructure through technical excellence and engineering innovation. Join a team committed to shaping the future of transmission and energy systems in the region.
Position Overview:
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We are seeking an experienced
Sr. Commissioning Mechanical Engineer
who will lead end-to-end commissioning of mechanical building systems,
HVAC, chilled water, plumbing, and fire protection,
so the asset reaches
safe, code-compliant, verifiably performing
handover (FAC) on time and with complete documentation.
Key Responsibilities:
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Plan and run the Cx program (lots, sequences, windows) aligned to the construction master schedule; maintain a live Commissioning Activity Tracker (CAT)*, punch lists, and risk register. Prepare/review ITPs, pre-functional checklists (PFCs)*, method statements, and test packs; execute FPT / SAT / IST and close Consultant comments to final acceptance. Commission Core Systems*:
+ HVAC & CW/CHW: AHUs/FAHUs/FCUs, pumps, valves, coils, heat exchangers, VAVs, dampers; hydronic flushing/cleaning, water quality, flow balancing, TAB and thermal performance verification.
+
Ventilation/Smoke Control:
pressurization fans, stairwell/lobby pressurization, car park ventilation, CO systems.
+
hydrostatic tests, pump performance curves, jockey sequencing, alarm/interlock checks, FA / BMS integration. Validate controls and BMS interfaces(points mapping, sequences of operation, alarms/safeties) and participate in Integrated Systems Testing with FA/ELV.
Coordinate daily with GC/Subs/Vendors/Consultant on prerequisites, access/permit-to-work, and energization/commissioning windows.
Produce O&M manuals, training materials*, spares lists, warranties; deliver client training and signoffs. Drive regular progress/technical/Cx meetings*; surface risks early and execute recovery plans.
Required Qualifications:
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5-8 yearsof mechanical testing & commissioning on mid-to-large projects (healthcare, airports, data centers, high-rise, industrial).
BSc in Mechanical Engineering(or equivalent).
Hands-on with
TAB
, hydronic balancing, ventilation balancing, pressure/leak tests, chlorination, smoke control performance tests, pump curves, equipment functional tests, and IST participation.
Strong documentation discipline (ITPs, PFCs, test packs, SAT/IST reports, certificates*; red-lines/as-builts). Working knowledge of codes/standards (ASHRAE, SMACNA/DW144, NFPA, IPC, CIBSE, ISO*) and safety/permit processes.
Preferred Qualifications:
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Complex facilities commissioning (Tier-III/IV DCs, hospitals, labs) and authority/third-party approvals (e.g., Civil Defense / House of Expertisein KSA).
Controls/BMS exposure (Siemens/JCI/Honeywell/etc.), data loggers, trend analysis, and Power BI/advanced Excel for trackers.
* Experience with acoustic/vibration tests and thermal imaging for envelope/HVAC diagnostics.
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