Power Supply Technician

Date:  Apr 2, 2024

Dubaï, Power Supply Technician, AE, 114190

Brand:  KEOLIS
Contract Type:  Permanent contract

The purpose of this position is to provide effective engineering and maintenance services covering the power supply for Dubai Metro.



  • Assist the Power Supply Team Leader in carrying out all level of preventive and corrective maintenance activities and minor modifications on power supply system covering H.V. traction power supplies, stray current & EMC monitoring, sub-stations, L.V. systems & emergency power supplies, uninterrupted power supplies, L.V. main switch, wayside isolators and any other parts within the power supply system.
  • Diagnose cause of electrical or mechanical malfunction or failure of operational equipment, replace faulty equipment and handover/taken back to the electrical workshop for repair.
  • Ensure the maintenance tools & equipment are in good condition both before and after job activities.
  • Under the supervision of Power Supply Team Leader to conduct periodical electrical testing, stress testing, check motor-control devices, switch panels, transformers, circuit breakers and gas insulated switches, generator windings, solenoids, and other electrical equipment and components and recommend or initiate modification or replacement of equipment which fails to meet acceptable operating standards.
  • Perform roles necessary for the management of the safe system of works, including to meet tight maintenance schedules.
  • Follow the relevant procedures and work instructions to ensure compliance with Keolis-MHI Dubai Metro requirements.
  • Produce and maintain accurate maintenance records of power supply system and equipment performance, work accomplished and other information using a computerised maintenance management system.
  • Assist the Power Supply Team Leader and/or other technical support staff to implement complex systems or new projects.
  • To be assigned and rotated to the First Line Response Technicians team when required.
  • Perform shift and emergency duties when required.
  • Perform and carry out duties as instructed/ directed by the Power Supply Team Leader and other senior Power Supply Maintenance Staff.



  • Must have good eyesight and normal colour vision.
  • Ability to use and calibrate various electrical and electronics test equipment and PC for the maintenance of power supply system.
  • Ability to write simple technical reports, routine business correspondence, prepare method statements and drawings as required.
  • Possess good communication skills and the ability to manage multiple tasks efficiently and work productively in a fast-paced, team-oriented environment.
  • Strong organisational skills, detail oriented, and the ability to handle multiple priorities.
  • Hold a valid driving license with good driving skill and experience.




  • Working knowledge in 750V DC traction, transmission and distribution, 132K and 33K GIS, 132kV/33kV transformers, reactors, condensers, earthing transformer, high speed DC circuit breakers, cabling system, 3rd rail electrification, power sub-stations and ancillary plant would be a definite advantage.




  • Minimum 1 year work experience as a qualified power supply maintenance technician in maintaining and repairing power supply and distribution system preferably in a rail or power utilities industry.
  • Knowledge and experience in operating SCADA control and configuring programmable logic controllers is essential.



  • Vocational trade certificate or diploma in electrical engineering discipline or equivalent.

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