Mechanical Maintenance Technician

Qureos Inc; Dammam; On-site; SAR 90,000 - 120,000; Full time

Job summary

Qureos Inc in Dammam seeks a Mechanical Maintenance Technician to perform preventive, corrective, and emergency maintenance on pumps, motors, generators, piping, hydraulic systems, and air compressors, ensuring reliable plant operations.

You will troubleshoot faults, inspect equipment, and participate in installation, testing, and commissioning, following safety standards and manufacturer recommendations.

Qualifications

• Experience in preventive, predictive, and corrective maintenance.
• Ability to inspect equipment for abnormal operation, vibration, leakage and wear.
• Strong troubleshooting skills to minimize downtime.
• Participation in installation, testing and commissioning activities.

Responsibilities

• Carry out preventive, predictive, and corrective maintenance of mechanical systems.
• Inspect mechanical equipment for abnormal operation, vibration, leakage, and wear.
• Troubleshoot and rectify mechanical faults with minimum downtime.
• Perform routine inspections and functional testing of mechanical equipment.
• Install, repair, replace, and commission mechanical components.
• Perform preventive and breakdown maintenance of Pumps including centrifugal, booster, transfer, fire, chilled water, sewage, sump, vertical multistage and split case pumps.
• Troubleshoot pump failures and abnormal performance.
• Replace bearings, seals, impellers, shafts, sleeves, and couplings.
• Carry out pump alignment using dial gauge or laser alignment.
• Perform pump performance testing after maintenance.
• Dismantle and overhaul electric motors; replace bearings, seals, cooling fans, couplings.
• Check shaft run-out and bearing clearances; motor alignment with driven equipment.
• Perform vibration and temperature checks after installation.
• Maintain mechanicals of diesel generators; inspect engine components, cooling systems, belts, hoses, filters, and exhaust.
• Replace oil, coolant, fuel filters, and air filters; check engine vibration.
• Assist in generator load testing.
• Assist electrical personnel during VFD installation and maintenance; inspect related mechanical integrity.
• Carry out piping installation, maintenance and repair of GI, CS, SS, HDPE, PVC, and copper piping; pipe cutting, threading, fitting, flange installation, valve installation, leak testing, hydrostatic testing.
• Maintain hydraulic power packs and replace hoses, seals, cylinders, pumps and valves; monitor oil levels and contamination.
• Perform preventive maintenance of screw and reciprocating air compressors; replace oil, filters, belts.
• Diagnose mechanical failures using appropriate tools; identify root causes and repair rotating equipment.

Job description

Job Summary

The Mechanical Maintenance Technician is responsible for performing preventive, corrective, and emergency maintenance of mechanical equipment and systems to ensure reliable and uninterrupted facility operations. The role includes troubleshooting, repair, installation, testing, overhauling, and commissioning of pumps, motors, generators, piping systems, hydraulic equipment, air compressors, and other mechanical assets in accordance with safety standards and manufacturerrecommendations.

Key Responsibilities

Mechanical Systems Maintenance

• Carry out preventive, predictive, and corrective maintenance of mechanical systems.

• Inspect mechanical equipment for abnormal operation, vibration, leakage, and wear.

• Troubleshoot and rectify mechanical faults with minimum downtime.

• Perform routine inspections and functional testing of mechanical equipment.

• Install, repair, replace, and commission mechanical components.

Pump Maintenance

• Perform preventive and breakdown maintenance of:

  • Centrifugal Pumps

  • Booster Pumps

  • Transfer Pumps

  • Fire Pumps

  • Chilled Water Pumps

  • Sewage Pumps

  • Sump Pumps

  • Vertical Multistage Pumps

  • Split Case Pumps

• Troubleshoot pump failures and abnormal performance.

• Replace bearings, seals, impellers, shafts, sleeves, and couplings.

• Carry out pump alignment using dial gauge or laser alignment.

• Perform pump performance testing after maintenance.

Motor Overhauling

• Dismantle and overhaul electric motors.

• Replace bearings, seals, cooling fans, couplings, and other mechanical parts.

• Check shaft run-out and bearing clearances.

• Carry out motor alignment with driven equipment.

• Perform vibration and temperature checks after installation.

Generator Mechanical Maintenance

• Perform mechanical maintenance of diesel generators.

• Inspect engine components, cooling systems, belts, hoses, filters, and exhaust systems.

• Replace oil, coolant, fuel filters, and air filters.

• Check engine vibration and abnormal noise.

• Assist in generator load testing.

VFD Equipment

• Assist electrical personnel during VFD installation and maintenance.

• Inspect motor coupling, cooling fan operation, and mechanical integrity associated with VFD-driven equipment.

• Report abnormal vibration or mechanical loading affecting VFD operation.

Piping Works

Carry out installation, maintenance, and repair of:

• GI (Galvanized Iron) Piping

• Carbon Steel Piping

• Stainless Steel (SS) Piping

• HDPE Pipes (basic)

• PVC Pipes

• Copper Pipes (basic mechanical support)

Activities include:

• Pipe cutting and threading.

• Pipe fitting and alignment.

• Flange installation.

• Valve installation and replacement.

• Pipe supports installation.

• Leak testing.

• Hydrostatic pressure testing.

Hydraulic Systems

• Maintain hydraulic power packs and hydraulic equipment.

• Replace hydraulic hoses, seals, cylinders, pumps, and valves.

• Monitor hydraulic oil level and contamination.

• Troubleshoot hydraulic pressure loss and leakage.

• Perform hydraulic filter replacement and oil servicing.

Air Compressors

• Perform preventive maintenance of screw and reciprocating air compressors.

• Replace oil, filters, separators, and belts.

• Check compressor pressure settings.

• Inspect safety valves and pressure switches.

• Troubleshoot compressor alarms and mechanical failures.

Mechanical Troubleshooting

• Diagnose mechanical failures using appropriate tools.

• Identify root causes of equipment failures.

• Repair rotating equipment.

• Monitor vibration, temperature, pressure, and flow parameters.

• Recommend corrective actions to improve equipment reliability.

Safety Responsibilities

• Follow Lockout/Tagout (LOTO) procedures.

• Use proper PPE while performing maintenance.

• Follow permit-to-work procedures.

• Maintain housekeeping in workshops and plant rooms.

• Ensure safe lifting and rigging practices.

• Report unsafe conditions immediately.

Documentation

• Complete maintenance checklists and reports.

• Record breakdown history and corrective actions.

• Update CMMS work orders.

• Maintain spare parts usage records.

• Prepare inspection reports.