Sr. Commissioning Mechanical Engineer
CSI GlobalRiyadh, Riyadh Region, Saudi Arabia4 days ago
Job descriptionVentilation / Smoke Control : pressurization fans, stairwell / lobby pressurization, car park ventilation, CO systems. Plumbing & Drainage : pressure tests, chlorination / disinfection, functional tests (H / W mixing, PRVs, transfer pumps). Fire Protection : 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 sign-offs. Drive regular progress / technical / Cx meetings; surface risks early and execute recovery plans. 5–8 years of 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. 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. Experience with acoustic / vibration tests and thermal imaging for envelope / HVAC diagnostics.
Job Title : Sr. 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 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
- 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.
Required Qualifications
Preferred Qualifications
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Mechanical Engineer • Riyadh, Riyadh Region, Saudi Arabia
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