Highlights

- Lead HV commissioning on Australia's most advanced data centres
- Work with cutting-edge critical power and mission-critical systems
- Long-term career growth in Australia's expanding digital infrastructure

Position summary Step into a pivotal role as a Senior HV Commissioning Engineer, where you'll lead the delivery of high-voltage electrical infrastructure across Australia's most advanced data centres and mission-critical facilities.

You'll execute and oversee comprehensive commissioning activities for HV and LV systems, applying your expertise in switchgear, transformers, protection relay testing, and electrical distribution equipment to ensure flawless system performance in high-availability environments.

Your technical problem-solving skills will be essential as you develop commissioning procedures, conduct integrated systems testing (IST), and troubleshoot complex electrical challenges whilst collaborating with multidisciplinary project teams including design engineers, contractors, and client representatives.

Drawing on your experience with SCADA and control systems integration, Australian utilities and transmission networks, and data centre critical power systems knowledge, you'll perform HV switching, energisation activities, and protection scheme verification in full compliance with Australian standards and safety requirements.

This position demands strong leadership and team coordination abilities as you guide commissioning managers and site teams through multi-level commissioning processes, maintain rigorous documentation standards, and deliver reliable electrical infrastructure that underpins Australia's expanding digital economy.

About the company

At AQYR Workforce Solutions, we understand that finding the right career opportunity is crucial for personal and professional growth. With our extensive industry expertise, unwavering commitment, and a vast network of top-tier employers, we are here to support you in navigating the competitive job market and finding your ideal match.

About the role

- Execute and oversee commissioning activities for HV and LV electrical infrastructure across data centre and critical-power projects.




- Conduct testing, inspection and verification of electrical equipment, ensuring compliance with technical specifications and project requirements.
- Commission HV/LV switchgear, transformers, protection systems, electrical distribution equipment and associated infrastructure.
- Perform protection relay testing, functional testing and verification of electrical protection schemes.
- Support HV switching, energisation activities, isolation procedures and access authorisations in accordance with relevant safety requirements.
- Develop and review commissioning procedures, test plans, method statements and technical documentation.
- Identify, investigate and resolve technical issues arising during testing and commissioning phases.
- Work collaboratively with project managers, commissioning managers, design engineers, contractors, OEMs and client representatives.
- Support integrated systems testing to verify the performance and interaction of critical electrical systems.
- Maintain accurate commissioning records, test results, defect registers and handover documentation.
- Ensure all activities comply with applicable Australian standards, project specifications and site safety requirements.

About the candidate

- Proven experience in HV commissioning, electrical commissioning or closely related engineering discipline within critical infrastructure environments.
- Strong technical knowledge of HV/LV electrical systems, switchgear, transformers and power distribution equipment.
- Demonstrated expertise in protection relay testing, electrical testing procedures and commissioning methodologies.
- Comprehensive understanding of electrical safety, switching procedures, isolations and energisation requirements in high-voltage environments.




- Ability to interpret electrical schematics, single-line diagrams, technical specifications and commissioning documentation with precision.
- Experience with data centre commissioning, critical electrical infrastructure, Levels 1–5 commissioning and integrated systems testing (IST) highly regarded.
- Background in utilities, transmission networks, substations or renewable energy sectors with transferable HV commissioning experience.
- Familiarity with Australian electricity network organisations such as Ausgrid ASP environments, Transgrid, Energy Queensland or Powerlink advantageous.
- Knowledge of SCADA and automation systems, including testing and integration of monitoring and control infrastructure.
- Experience commissioning critical power systems including UPS systems, backup generators and resilient electrical infrastructure.
- Relevant Australian electrical qualifications or licences required for high-voltage work, along with White Card and applicable site safety authorisations.
- Strong troubleshooting, analytical and problem-solving skills with the ability to identify and resolve complex technical issues.
- Excellent communication skills and proven ability to work collaboratively within multidisciplinary project teams.
- Meticulous attention to detail in maintaining commissioning records, test results, defect registers and handover documentation.
- Full Australian working rights with availability for permanent employment in Sydney or Melbourne.

Benefits and perks

- Permanent career opportunities supporting major data centre and critical-power projects in Sydney or Melbourne.
- The prospect to work on complex electrical infrastructure supporting Australia's growing digital economy.
- Exposure to advanced power systems, critical infrastructure and mission-critical engineering.
- Collaboration with experienced engineering, commissioning and project delivery teams.
- Opportunities to broaden your experience from utilities or conventional power infrastructure into data centres.
- Long-term career development within the data centre and mission-critical engineering sectors.

📌 Senior HV Commissioning Engineer – Data Centres & Critical Power (Melbourne)
🏢 Hiremii
📍 Melbourne