Mechanical Engineer HVAC, Fire Fighting & Plumbing Riyadh Experienced Mechanical Engineer with 6 + years of hands - on experience in KSA across commercial, fit - out, and warehouse projects. Strong expertise in HVAC systems, Fire Fighting, and Plumbing, including installation, testing & commissioning, inspections, and coordination with consultants and contractors. Well - versed in ASHRAE, NFPA, SBC, IPC