RO Plant Mechanic – Water Treatment & Maintenance

Burjline Builders; Doha; On-site; QAR 72,000 - 120,000; Full time

Job summary

Burjline Builders is hiring a Mechanical Maintenance Technician – Water Treatment for a large desalination facility in Doha. The role emphasizes mechanical maintenance of RO systems, pumps, valves, rotating equipment, and related plant machinery to support safe, reliable operation.

The ideal candidate brings hands-on experience in desalination or industrial environments, with strong troubleshooting and preventive maintenance skills, and the ability to read P&IDs and technical manuals.

Qualifications

• Diploma or Technical Certificate in Mechanical Engineering, Mechanical Maintenance, or a related field.
• 3–5+ years of hands-on mechanical maintenance experience.
• Experience in desalination, water treatment, power plants, oil & gas, or industrial facilities.
• Strong hands-on experience with rotating and static equipment.
• Experience with pumps, valves, compressors, motors, bearings, and mechanical seals.
• Ability to read P&IDs, mechanical drawings, and technical manuals.
• Experience using CMMS / computerized maintenance management systems.
• Knowledge of equipment alignment, including laser alignment and dial gauge measurements.
• Strong troubleshooting and breakdown maintenance skills.
• RO/desalination experience is preferred.

Responsibilities

• Carry out preventive and corrective maintenance on mechanical equipment.
• Inspect, troubleshoot, repair, and overhaul pumps, motors, valves, gearboxes, compressors, and piping systems.
• Maintain RO plant equipment: high-pressure pumps, booster pumps, pressure vessels, RO skids/membranes, filters, dosings, valves, actuators, heat exchangers, cranes.
• Perform equipment alignment, lubrication, and condition monitoring.
• Carry out bearing and mechanical seal replacement and equipment overhauling.
• Work with centrifugal, vertical, submersible, and dosing pumps.
• Assemble/disassemble valves including plug, butterfly, and check types.
• Participate in equipment commissioning, startup, and shutdown activities.
• Assist with root-cause analysis of mechanical equipment failures.
• Perform pump vibration monitoring and support predictive maintenance activities.
• Assemble/disassemble compressors and motors.
• Read PVDF/CPVC piping/materials; read drawings and manuals.
• Coordinate with operations, electrical, and instrumentation teams.
• Follow permit-to-work procedures and HSE requirements.
• Respond to emergency breakdowns and plant call-outs as needed.

Skills

Hands-on mechanical maintenance

Troubleshooting

Preventive maintenance

Reading P&IDs

Equipment alignment

Root cause analysis

Lubrication

Education

Diploma/Technical Certificate in Mechanical Engineering

Tools

CMMS

Job description

Burjline Builders is hiring a Mechanical Maintenance Technician – Water Treatment for a large desalination facility in Doha. The role emphasizes mechanical maintenance of RO systems, pumps, valves, rotating equipment, and related plant machinery to support safe, reliable operation.

The ideal candidate brings hands-on experience in desalination or industrial environments, with strong troubleshooting and preventive maintenance skills, and the ability to read P&IDs and technical manuals.