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.

The Position:

The Electrical Systems Specialist – Field Engineering is a hands-on technical expert responsible for the safety, reliability, and performance of mission-critical electrical infrastructure within a live data centre environment.

The role has a solid focus on UPS systems, battery infrastructure, and critical power distribution, while also supporting HV/LV systems, transformers, switchboards, generators, protection systems, and electrical controls.

Working across operations, engineering, and risk, the specialist provides field support during incidents, leads fault investigations, reviews switching procedures, and improves the technical capability of site teams.

Key Responsibilities

Electrical and UPS System Ownership

- Act as the technical specialist for UPS systems, batteries, HV/LV distribution, transformers, switchboards, generators, and associated controls.
- Maintain detailed knowledge of system design, operating modes, protection settings, redundancy, and recovery strategies.
- Monitor UPS loading, battery condition, autonomy, alarms, and equipment performance.
- Identify capacity, reliability, lifecycle, and single-point-of-failure risks.
- Ensure electrical systems operate within approved safety, protection, and reliability limits.

Field Engineering and Fault Response

- Provide hands-on technical support during UPS faults, electrical outages, protection trips, nuisance alarms, and abnormal operating conditions.




- Lead fault isolation, technical diagnosis, and restoration planning.
- Analyse UPS event logs, relay records, alarms, and power-monitoring data.
- Support switching, UPS bypass operations, load transfers, energisation, commissioning, and post-incident recovery.
- Provide clear technical direction to operations teams, contractors, and equipment vendors.

Engineering Governance

- Author, review, and approve:
- Electrical switching procedures
- EOPs, MOPs, and SOPs

- Isolation and energisation plans

- Temporary operating procedures
- Risk assessments and recovery plans

- Ensure procedures align with system configuration, protection coordination, discrimination, arc-flash requirements, and equipment limitations.
- Improve procedures based on incidents, operational feedback, and lessons learned.

Reliability and Technical Leadership

- Lead or support electrical incident investigations and Root Cause Analysis.
- Provide technical input into maintenance, asset replacement, capacity planning, and system upgrades.
- Review commissioning plans and witness UPS, battery, generator, and integrated systems testing.
- Coach site teams on UPS operation, electrical switching, fault response, and safe systems of work.

Must-have Qualifications:

Essential

- Trade, diploma, or degree qualification in Electrical Engineering or equivalent
- Extensive experience with mission-critical electrical systems (data centres, utilities, hospitals, industrial facilities, or similar)
- Strong hands-on switching and fault-finding capability
- Experience with protection coordination and discrimination studies




- Proven experience authoring and reviewing switching procedures
- Strong understanding of redundancy philosophies (N, N+1, 2N, etc.)

Desirable

Desirable Experience

- Authorised HV switching experience.
- Experience in live data centre operations.
- UPS manufacturer training or certification.
- Experience with VRLA, lithium-ion, nickel-cadmium, or other battery technologies.
- Commissioning and energisation experience.
- Familiarity with relay configuration, power-quality analysis, EPMS, SCADA, or BMS platforms.
- Experience leading or contributing to Root Cause Analysis investigations.

This might be right for you if:

- You don’t get flustered easily. You can juggle multiple high-level priorities with competing timelines while welcoming a new, urgent challenge with ease.
- Are culturally sensitive and enjoy working with a diverse group of individuals from multiple regions.
- You pay attention to the details – meticulously, and every time. Nothing falls through the cracks on your watch.
- You’re collaborative. You enjoy working with others to solve problems – and people enjoy working with you. You can shift from being a leader to a contributor when needed.
- You’re smart. You think five steps ahead and see issues from multiple angles. You’re not just a problem solver – you’re a problem preventer.

Why STACK:

- We offer a competitive compensation package with strong benefits.
- We have a culture of appreciation and recognition.
- We are passionate about what we do and have fun doing it.
- Be part of the growing business and make an impact.

STACK is an Equal Opportunity Employer. ALL qualified applications will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identify and expression, age, national origin, mental or physical disability, genetic information, veteran status, or any other status protected by law.

📌 Electrical Systems Specialist - Field Engineering (Australia) (Melbourne)
🏢 STACK Infrastructure APAC
📍 Melbourne