28/28 Rotational, Commissioning Technicians

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A leading EPC contractor is looking for Commissioning Technicians for their project in Oman. This role will be on a 4 weeks on 4 weeks off with duration of one year.JOB DESCRIPTION


  • Walking down systems and equipment using P&IDs, SLDs, wiring diagrams, etc. for guidance.
  • Perform maintenance and repair work as instructed with limited supervision.
  • Ensure equipment is fit for purpose and is tested in accordance with standards and procedures.
  • Inspect, commission, repair, maintain, and troubleshoot mechanical, electrical, electronic and associated control systems and power circuits, power generating equipment, switchgear, and emergency systems; take appropriate action when failures occur.
  • Install, replace, commission, troubleshoot and repair of filter screens and strainers during commissioning testing period.
  • Conduct preventative maintenance on equipment under commissioning testing.
  • Install, calibrate, commission, troubleshoot and repair of input sensors such as flow meters, level transducers, pressure transducers, fire & gas equipment and other monitoring equipment.
  • Support the Acceptance of Mechanically Complete Sub system packages from Construction.
  • Support the Pre-commissioning by Contractors and Sub-contractors by Sub systems.
  • Coordinate activities with other departments and staff.
  • Establish positive working relationships with immediate supervision and personnel from other departments.
  • Communicate clearly and concisely, both orally and written. Be able to follow oral and written instructions.
  • Read, understand and follow Permit to Work procedures.
  • Other duties may be assigned or requested.


  • Mechanical and Maintenance, work methods, tools and testing Equipment used in commissioning of Oil/Gas Facilities.
  • Basic understanding of trouble shooting of rotating Equipment and related activities.
  • Filter and strainer replacement and cleaning. Screens replacement and cleaning.
  • Hydraulic Systems.
  • Preventative Maintenance activities.
  • Handover to Maintenance and Operations organisation at steady state.
  • Instrument/Electrical theory, work methods, tools and testing equipment used in the commissioning of Oil/Gas Facilities.
  • Regulations pertaining to electrical and electronic installation, maintenance and repairs.
  • Electrical Distribution Systems.
  • Lighting Systems and Distribution Panels.
  • DC and UPS Power Systems.
  • Wiring and Troubleshooting abilities.
  • Electronic Transmitters.
  • Valve Positioners.
  • DC Power Systems.
  • Analog and Discrete Signals.
  • Pneumatic Systems.
  • Proficient in Control Logic Schemes.
  • Experience with various PLC, DCS, and Fire & Gas control systems.
  • PLC logic controls.
  • Experience with Turbine Generator Start up and Commissioning.
  • Experience with Diesel Engine driven Back up Emergency Generator Sets.
  • Experience with 480VAC, medium voltage 4160VAC and above switchgear controls.
  • Permit to work System.
  • Cause and Effect logic relationships of equipment.


A combination of training and experience which would provide the required knowledge and abilities is qualifying. Typically, 6 years of responsible work experience in mechanical, electrical and instrumentation commissioning of oil and gas facilities, or in production process equipment operation and maintenance.


Relevant mechanical, electrical and/or instrumentation Technician certificates are required and/or Higher National Certificate (or equivalent) in a primary Engineering discipline.