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Job Reference ALI-405
Maintenance Technician (Transferable Iqama)
Location Job Type Date Posted Education Experience
Saudi Arabia Permanent 03/10/2020 ITI in the field of electrical/Diploma 2 - 4 Years
Job Description

Position Summary

Ø  To assist the Maintenance Engineer in carrying out the assigned tasks related to Transformer, Switchgears & Panels.

Major Roles & Responsibilities

Ø  Should have hands on experience in the compete field services including preventive, corrective and breakdown, testing, inspection, servicing and repair of generator and EHV power transformers, distribution transformers,  dry type transformers and rectifier transformers, neutral grounding resistors.

Ø  Should be able to independently carry out the inspection and testing of tap changers, inspect on load and off load changer parts and replace any defective parts.

Ø  Perform PM of fan motors and oil pumps, test and calibrate temperature indicators, Bucholz relays, sudden pressure relays, pressure relief device, online gas monitoring system etc.

Ø  Hands on experience in the complete testing of the transformer such as turns ratio test, winding resistance, insulation power factor  test of windings and bushings, IR and PI of windings, winding excitation currents suing doble test equipment, testing of buchholz relays function, testing of insulating oil, testing of BCTs.

Ø  Should be able to perform the filtration services of oil for the transformers and replacement of old oil with new oil in the transformers. Experience in operating and maintaining transformer oil filter machine of capacity up to 10,000 litres per hour.

Ø  Should be able to perform preventive and corrective maintenance of dry type transformers, rectifier transformers.

Ø  Should be able to erect, test and commission oil filled transformers up to and including 133/266 MVA capacity, including installation, assembly, oil filling and filtration, testing, cable and bus duct connection, testing of interlock, alarm and protection.

Ø  Should be able to carry out the PM and CM of Ring main units such as check/repair any oil leak for switching units, oil indicating gauges, topping up oil, replacement of sealing gaskets, oil testing.

Ø  Should have hands on experience in preventive and corrective maintenance of bulk oil circuit breakers, MOCB, SF6 circuit breakers and vacuum circuit breakers.

Ø  Should be able to rectify and trouble shoot the defects in any type of breakers.

Ø  Should be able to carry out the complete testing of the breakers such as timing test, vacuum integrity test in vacuum circuit breakers, contact resistance test, simulate and check gas pressure, contact wear measurement, perform all necessary tests for C/B’s earth switches, vacuum measurement (SF6 Pressure measurement and refilling if required).


Ø  Should have hands on experience in the retrofit work of circuit breakers such as replacement of damaged/ defective circuit breaker by fitting new breaker in the old cubicle by making required modifications.

Ø  Should be able to provide emergency breakdown work for replacement or repair of breakers.

Ø  Should have hands on experience in the preventive maintenance of all types and makes of battery chargers and UPS.

Ø  Should be proficient in the corrective maintenance of battery chargers and UPS which includes locating and identifying the faults and make necessary repair to trouble shoot the fault. Should be able to identify the faults in the electronics cards, make repair by replacement of faulty components of the cards.

Ø  Should have the knowledge of testing of the battery charger and the UPS.

Ø  Shall be responsible for other panels which have electronic cards.


Required Work Experience


Ø  At least 2 years direct experience on maintenance and installation, erection testing/commissioning of generator and power transformers up to 735 MVA , distribution transformers, dry type transformers, rectifier transformers.

Ø  Should have knowledge about  complete switchgear testing & commissioning


Education/Qualification Requirements

ITI in the field of electrical/Diploma


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