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Technical Officer - Tester

Zinfra • Melbourne, Victoria, Australia

onsitefull-time
Posted Sep 29, 2026Apply by Oct 29, 2026

**Role & seniority: ** Technical Officer – Tester (Electrical Tester); hands-on technical field/maintenance/testing role; on-call availability may be required

**Location & work type: ** Based in Rowville depot (Victoria); coverage across Victoria with occasional travel and overnight stays; fieldwork during construction, operation, and maintenance

**Stack/tools: ** Electrical protection & control testing/diagnostic measurement; calibration and testing services for secondary equipment; work order/work-record systems and databases (details not specified)

**Top 3 responsibilities: **

  • Perform calibration, diagnostic testing, and measurement for electrical protection/control equipment and electrical plant

  • Conduct repairs and maintenance for field distribution ground and pole-top devices; support maintenance/commissioning

  • Coordinate testing with internal/external customers and maintain reports/work records (including database and daily hours logs)

  • Must-have skills:

    • Strong technical knowledge of power systems secondary equipment (protection/control relays and related apparatus)

    • Ability to maintain high-voltage electrical apparatus and perform construction activities

    • Fault finding/analysis for commissioning and maintenance of secondary systems

    • Safety/customer focus; decisive action for network security and public safety

    • Current Australian driver’s licence

    • Relevant qualification: **Advan

Full Description

Who We Are

Zinfra is a leading partner in the design, build, operation and maintenance of Australia’s energy and utilities infrastructure. Delivering an annual portfolio of more than $1.2 billion, our work helps keep energy flowing safely and reliably to communities across Australia while supporting the nation’s energy transition.

With a workforce of more than 2,800 people, we deliver complex infrastructure, asset management and field services across Australia’s east coast. Our people draw on deep industry experience, an unwavering commitment to safety, and practical innovation to deliver the right outcomes for our clients and communities.

About The Role

We are currently seeking Technical Officer - Tester (Electrical Tester) to join our team based out of our Rowville depot this role requires the successful applicant to undertake work including a variety of calibration, diagnostic, testing and measurement services during construction, operation and maintenance to electrical protection and control equipment and electrical plant on AusNet Electricity Network. The role may be required to perform availability on call duties.

Conduct repairs & maintenance on field distribution ground and pole top devices Verify the integration of protection devices with overall power system infrastructure Coordinate testing activities with internal & external customers Provide diagnostic testing and maintenance services on a wide variety of electrical protection and control relays & equipment Prepare work records and reports as required, including input into databases and work hours/daily work records Comply with flexible work practices to meet system needs-including multi-skilling Ensure all required training and authorisations are always maintained and remain current Receive and provide on the job training as required

About You

The successful candidate is required to display strong technical knowledge and experience working across power systems related to secondary equipment and hold an Advanced Diploma of ESI – Power systems/Diploma of Electrical Engineering or equivalent qualification.

Proven ability to undertake maintenance of High Voltage electrical apparatus and Construction activities Comprehensive technical knowledge and understanding of High and Low Voltage Electrical Apparatus on field distribution ground and pole top devices Ability to analyse information and resolve technical issues, including fault finding related to maintenance and commissioning of secondary systems Proactive in identifying the critical resources necessary to achieve desired objectives Capacity to act decisively to ensure network security and public safety Display a positive customer and team focus, working effectively, participating in identifying workplace changes or productivity improvements Current active Australian driver’s license.

The role has coverage across Victoria you may be required to travel and overnight stays within the state on occasions.

Why Work With Us

What we do matters. Delivering safe and reliable energy makes a difference to people’s lives across Australia every day. We are proud to keep communities connected while preparing the nation for a renewable future.

Recognition through our Incentivise program Purchased annual leave options Novated leasing, EV subscriptions and vehicle discounts Employee Assistance Program for employees and families

We champion and value diversity in life and work experiences, because broader perspectives strengthen our problem solving, decision making and ability to innovate.

We welcome applications from everyone, including First Nations peoples, veterans, people living with disability and members of the LGBTIQA+ community.

If you require adjustments during the recruitment process, please let us know.

Recruitment Process: During the recruitment process, you may be required to undertake pre-employment checks, including a pre-employment medical, reference checks and a national police check.

Notice to Third Parties: Zinfra does not accept unsolicited resumes, or liability associated with fees or costs, from recruitment agencies, search firms or other third parties. Interested candidates are welcome to submit their application independently.

Electrical TestingCalibrationDiagnosticsElectrical Protection and ControlPower SystemsHigh-Voltage Apparatus MaintenanceFault FindingCommissioningTesting and MeasurementRelay MaintenanceTechnical Problem-SolvingWork CoordinationSafety ComplianceCustomer ServiceTeamworkAustralian Driver's Licensemulti-location

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