Electrical Specialist Chargeman

The role

You will support the safe operation, inspection, and maintenance of electrical infrastructure across Johor Bahru data centre campuses. This includes monitoring medium-voltage and low-voltage systems and assisting the Competent Engineer with inspections and switching operations.

What you will do

• Monitor the condition and operation of medium-voltage and low-voltage electrical systems.
• Perform routine inspections of 22kV medium-voltage equipment and 415V low-voltage systems.
• Support the internal Competent Engineer inspection program and prepare draft reports.
• Perform authorized medium-voltage switching operations.
• Assist with low voltage switching and system isolation activities.
• Support high voltage switching operations as a switching assistant under a buddy system.
• Identify equipment defects and support rectification activities.
• Coordinate maintenance activities, contractor works, and equipment inspections.
• Support preparation and implementation of Method of Procedure (MOP).
• Maintain accurate operational logs, inspection records, and maintenance documentation.

Required qualifications

• Minimum 5 years of experience in electrical operations, maintenance, or engineering roles within substations, industrial facilities, power plants, or mission-critical environments.
• Valid Chargeman B4 Certificate issued by Suruhanjaya Tenaga (ST), authorized for electrical installations up to 33 kV.
• Experience in operating and maintaining medium-voltage and low-voltage electrical systems, including switchgear, transformers, generators, and electrical distribution systems.
• Experience performing electrical switching operations, inspections, and maintenance activities in accordance with approved procedures.
• Ability to read and interpret single line diagrams (SLD), electrical schematics, and protection system drawings.
• Familiarity with Malaysian electrical regulatory requirements, including safe operation of electrical installations and compliance with the Electricity Supply Act and Electricity Regulations.
• Strong understanding of electrical safety practices, operational discipline, and procedural compliance.
• Ability to work effectively in a team-based operational environment.
• Good communication skills in English and Malay.
• Ability to remain calm and systematic in high-pressure operational situations.

Nice to have

• Experience working in mission-critical environments such as data centres, substations, power plants, or large industrial facilities

About the company

AirTrunk is a hyperscale data centre company that operates a platform of hyperscale data centres across the APME region.