Commissioning Mechanical Engineer

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Overview 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.

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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