Commissioning Mechanical Engineer Job Riyadh area,Riyadh Region Saudi Arabia,Engineering

Job Title: Commissioning Mechanical Engineer
Location: Riyadh / KSA
Employment Type: Full-Time | On-Site
About CSI Global:

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:

We are seeking Commissioning Mechanical Engineer who will execute commissioning of Mechanical Building Systems
, HVAC, Chilled Water, Plumbing, and Fire Protection Systems on complex projects to achieve safe,
SBC/ASHRAE-Compliant
, on-schedule handover with complete and auditable records.

Key Responsibilities:

Perform tests per approved Method Statements / ITPs / Test Packs (pre-functional & functional); log measurements precisely and keep punch/defect lists current.
Commission HVAC equipment & networks:
AHU/FAHU/FCU
, fans, pumps, chillers, cooling towers, heat exchangers,
CHW
/condensing water loops, valves/actuators/controls.
Support TAB activities: chilled-water hydronic balancing, air balancing for AHUs/FCUs/extracts; verify coil ΔT/flow, damper positions, and leakage classes.
Run/verify ventilation & smoke control tests (stair/lobby pressurization, car-park CO); record pressure/flow/door-force data.
Witness plumbing system commissioning: hot-water boilers, booster/transfer/irrigation/sump pumps, tanks, heat exchangers; pressure/disinfection tests.
Monitor pre-commissioning readiness: flushing/cleaning, water quality, pressure tests, filter/coil hygiene, fire damper drop checks.
Execute CRAC/IT room load/heat tests, capture trends and acceptance criteria.
Participate in BMS point-to-point/sequence checks; verify alarms/safeties and support IST with Fire Alarm/ELV/Electrical
.
Prepare evidence packs and invite Consultant/Client for witnessing; assist with cause-and-effect verification and close-out.
Contribute to O&M/training inputs and red-line/as-built updates; submit weekly status to the Commissioning Manager
.

Required Qualifications:

5–8 years of mechanical testing & commissioning on mid-to-large projects (healthcare, data centers, airports, high-rise or industrial).
Hands-on TAB (water/air), pressure/leak/chlorination tests, smoke control checks, equipment functional tests; IST participation.
Standards literacy:
SBC, ASHRAE, SMACNA/DW144, NFPA, IPC/CIBSE basics; HSE awareness (
PTW/LOTO
).
Competent with meters/loggers (DP/flow/temperature, anemometer, manometer, data logger); disciplined reporting.

Preferred Qualifications:

Complex facilities commissioning (Tier-III/IV DCs, hospitals, labs) and authority/third-party approvals (e.g.,
Civil Defense / House of Expertise in KSA).
Controls/BMS exposure (Siemens/JCI/Honeywell/etc.), data loggers, trend analysis, and Power BI/advanced Excel for trackers.

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