Description
Job Type: Full-time | Location: Sydney, Australia | Department: Engineering | Reporting to: Engineering Manager | Work Location: Hybrid
IREN is a vertically integrated AI Cloud provider, delivering large-scale data centers and GPU clusters for AI training and inference. IREN’s platform is underpinned by its expansive portfolio of grid-connected land and power in renewable-rich regions across North America, Europe and APAC.
As the High Voltage (HV) Maintenance Tech Lead at IREN, you will you will play a central role in sustaining reliable data centre operations across our Australian sites. Reporting to the Engineering Manager, you will generate ideas, communicate technical recommendations to senior management, and drive implementation alongside facilities technicians – helping to shape the future of our high-voltage electrical infrastructure.
With 100% renewable energy, we build, own and operate our data centers and take pride in being at the forefront of sustainable solutions for the ever-evolving applications of high-performance compute. We believe that human progress is invaluable, but it should be done in the right way – responsibly, sustainably and having a positive impact on the communities we operate in.
Requirements- Bachelor’s degree in Electrical Engineering, or equivalent trade qualification (e.g. Electrical Fitter/Mechanic) with extensive demonstrated experience in high-voltage operations and maintenance.
- Minimum 5 years of relevant post-qualification experience in operations and maintenance of high-voltage substations and medium-voltage distribution in an electrical utility or heavy industrial environment.
- Hold, or be eligible to hold, a current HV Switching Licence / Authorisation in accordance with the relevant Australian state regulations (e.g. NSW/QLD Electrical Safety Act and associated codes of practice).
- Strong knowledge of Protection and Control systems as applied to high-voltage substations and apparatus, including transformers, circuit breakers, protection relays, and associated equipment.
- Demonstrated ability to read and interpret electrical control diagrams and schematics; competent in root cause analysis and in-depth technical investigations.
- Sound understanding of relevant Australian Standards (AS/NZS 3000, AS 2067, AS 1243) and applicable workplace health and safety obligations under state WHS/OHS legislation.
- Familiarity with Safe Work Method Statements (SWMS), Permits to Work (PTW), and isolation and lock-out/tag-out (LOTO) procedures in compliance with Australian safety frameworks.
- Comfortable working hands-on alongside tradespeople, supervisors, and other technical personnel on site when required.
- Strong leadership and interpersonal skills with the ability to influence and lead without direct authority.
- Excellent written and verbal communication skills, capable of engaging diverse audiences from junior site staff to senior leadership.
- Self-motivated, detail-oriented, and able to deliver high-quality work with limited direction in a fast-paced, growth-oriented environment.
- Able to manage ambiguity, limited resources, and changing priorities effectively.
- Willingness to work outside standard business hours when required to support key project milestones or respond to system events.
- Proficient in technical software tools used for electrical engineering tasks (e.g. ETAP, AutoCAD Electrical, or equivalent).
