Company Overview

STACK Infrastructure builds, owns, and operates hyperscale and colocation data centers that power the world’s most ambitious technology companies. With a rapidly expanding footprint across APAC, STACK combines deep development expertise, flexible capital, and operational discipline to deliver critical digital infrastructure at scale.

Company Overview

STACK Infrastructure builds, owns, and operates hyperscale and colocation data centers that power the world’s most ambitious technology companies. With a rapidly expanding footprint across APAC, STACK combines deep development expertise, flexible capital, and operational discipline to deliver critical digital infrastructure at scale.

Our clients include the largest hyperscale cloud platforms. We are building a regional platform defined by speed of delivery, power reliability, and long-term partnership — and we are assembling the team to lead that effort.

Summary/Objective

The Critical Operations Supervisor - Electrical provides day-to-day operational leadership and technical governance to ensure the safe, compliant and reliable performance of all site electrical infrastructure. This Monday-Friday role is accountable for overseeing electrical operations, coordinating major works and maintaining regulatory and contractual compliance.

The position participates in a rotating on-call roster to provide after-hours escalation, ensuring timely response to electrical incidents or abnormal conditions. The Supervisor leads the Electrical workstream across all shift teams, providing expert escalation for complex electrical issues and coordinating key activities such as planned shutdowns, switching operations, fault response,



energisation and de-energisation activities, and return-to-service (RTS) validation.

This role ensures that all electrical training, competency and authorisation requirements are met and maintained. The Supervisor works closely with site stakeholders to uplift procedures, strengthen electrical safety practices, enhance plant performance and continuously improve operational readiness across the facility.

This role directly supports STACK’s commitment to 100% uptime and a concierge-level customer service experience, ensuring risk is proactively managed, planned works are executed safely, and customer communications are clear, timely and professional.

Essential Functions

Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions.

Critical Operations

- Uphold STACK’s 100% uptime objective by providing disciplined operational leadership and oversight of site electrical systems and associated work controls.
- Ensure secure and compliant operation of high-voltage systems, in coordination with the High Voltage Operations Manager, and low-voltage systems, including adherence to switching rules, site processes and required training and authorisation prerequisites.
- Maintain real-time situational awareness of electrical system condition,



redundancy state and risk indicators through EPMS/BMS and field verification.
- Act as the primary electrical escalation point for shift teams, providing real-time guidance, diagnostic support and risk evaluation.
- Lead the development, review and implementation of operational and maintenance procedures, including MOPs and SOPs.
- Coordinate major electrical activities, including planned shutdowns, incident response, corrective maintenance, onsite troubleshooting and programmed maintenance.
- Provide technical direction during planned maintenance, shutdowns, functional testing and energisations to ensure safe execution aligned to site procedures.
- Review and provide input into risk assessments, switching plans, permit-to-work controls, isolations/LOTO and return-to-service documentation.
- Verify operational readiness following maintenance, resets, system changes or commissioning activities by confirming alarms, redundancy status, load paths and control sequences.
- Ensure all operational activities are carried out with due regard to health and safety, business risk and STACK’s 100% uptime objective.
- Act as incident manager for electrical incidents when required, including during on-call periods.
- Coordinate vendor activities affecting electrical systems, ensuring safe execution, alignment to site requirements and correct post-work configuration.
- Identify systemic risks, recurring faults, capacity constraints and design issues, and escalate as required.
- Improve operational documentation, including SOPs, MOPs, EOPs, shift logs, CMMS data quality, handover standards and alarm-handling procedures within the electrical workstream.

People

- Model outstanding s

📌 Electrical Critical Operations Supervisor — Data Center Uptime (Melbourne)
🏢 Stack Infrastructure
📍 Melbourne