Mechanical Maintenance Technician

About the role

A customer of Qureos Inc is hiring a Mechanical Maintenance Technician in Ad Dammam. The technician performs preventive, corrective and emergency maintenance of mechanical equipment and systems so that facility operations remain reliable and uninterrupted. The role covers troubleshooting, repair, installation, testing, overhauling and commissioning of pumps, motors, generators, piping systems, hydraulic equipment and air compressors, in line with safety standards and manufacturer recommendations.

Key responsibilities

• Maintain mechanical systems: carry out preventive, predictive and corrective maintenance, inspect equipment for vibration, leakage and wear, troubleshoot faults and perform routine inspections and functional tests.
• Pump maintenance: maintain centrifugal, booster, transfer, fire, chilled water, sewage, sump, vertical multistage, split case and other pumps; replace bearings, seals, impellers, shafts and couplings; align pumps with dial gauge or laser; test performance after maintenance.
• Motor overhauling: dismantle and overhaul electric motors, check shaft run-out and bearing clearances, align motors with driven equipment, and check vibration and temperature after installation.
• Generator maintenance: maintain diesel generators, inspect engine components, belts, hoses, filters and exhaust, replace filters, check vibration and noise, and assist in load testing.
• VFD equipment: assist electrical staff with VFD installation and maintenance, check motor coupling and cooling fan operation, and report abnormal vibration or loading.
• Piping works: install, maintain and repair GI, carbon steel, stainless steel, HDPE, PVC and copper pipes; cut, thread and fit pipes, install flanges, valves and pipe supports, and carry out leak and hydrostatic pressure testing.
• Hydraulic systems: maintain power packs, replace hoses, seals, cylinders, pumps and valves, monitor oil level and contamination, and service filters and oil.
• Air compressors: maintain screw and reciprocating compressors, replace oil, filters, separators and belts, check pressure settings, inspect safety valves and pressure switches, and troubleshoot alarms.
• Mechanical troubleshooting: diagnose failures, identify root causes, repair rotating equipment, monitor vibration, temperature, pressure and flow, and recommend corrective actions.
• Safety: follow lockout/tagout (LOTO) procedures, use PPE, follow permit-to-work procedures, keep workshops clean, and report unsafe conditions.
• Documentation: complete maintenance checklists and reports, record breakdown history, update CMMS work orders, maintain spare parts records and prepare inspection reports.