Senior Electrical Engineer - Critical Facilities

About the role

A hands-on subject matter expert responsible for the reliability, safety and performance of mission-critical electrical infrastructure in a live data centre environment. The role sits at the intersection of operations, engineering and risk, combining deep technical leadership on electrical systems with active field work. It covers engineering ownership, fault investigation, procedural governance and the uplift of operational capability across site teams. The client is a global digital infrastructure operator with a growing presence in the APAC region, designing, building, owning and operating large-scale data centre facilities; this is a permanent, on-site role.

Key responsibilities

• Own critical electrical systems including HV and LV distribution, transformers and switchboards, generators and fuel systems, and UPS and battery infrastructure, keeping design intent, protection philosophies, discrimination studies and recovery strategies up to date.
• Support major electrical events, outages, protection trips and complex faults, and lead fault isolation, protection review and restoration strategy during commissioning, recommissioning and recovery.
• Support live operations during high-risk activities such as switching, load transfers and energisation.
• Peer-review and approve switching procedures, EOPs, MOPs, SOPs, isolation and energisation documentation and temporary procedures, ensuring alignment with protection settings, arc flash studies and discrimination design.
• Drive continuous improvement of procedural quality based on operational feedback and incidents.

Required profile

• Trade, diploma or degree in Electrical Engineering or equivalent.
• Extensive experience with mission-critical electrical systems (data centres, utilities, hospitals, industrial facilities or similar).
• Proven experience authoring and reviewing switching procedures.
• Strong understanding of redundancy philosophies (N, N+1, 2N, etc.).
• Steady under pressure, meticulous attention to detail, collaborative and able to work across diverse, multi-regional teams.

Required skills

• Hands-on switching and fault-finding.
• Protection coordination and discrimination studies.
• Desirable: authorised HV switching, live data centre operations, commissioning and energisation, relay configuration and event analysis software, RCA contribution or leadership.