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.

Reporting to the Engineering Manager, the High Voltage (HV) Maintenance Tech Lead

• Support project development activities by attending design meetings and collaborating with site staff, corporate teams, and external engineering partners.
• Review and validate drawings and technical documentation from consultants, equipment manufacturers, engineering firms, and commissioning agents, acting as the technical Owner’s representative.
• Lead and support construction, installation, and commissioning activities in the high-voltage and medium-voltage electrical space.
• Lead technically complex electrical engineering tasks for the site operations and maintenance team, seeing them through to completion.
• Monitor system operations from an electrical perspective, ensuring the site operates within allowable parameters and to the highest degree of reliability and utilisation.
• Develop technical documentation including plans, checklists, specifications, reports, procedures, and standards that support engineering functions from design through to operations.
• Manage site technical documentation (drawings, equipment manuals), ensuring completeness, accuracy, and availability.
• Perform detailed analysis and calculations to ensure reliable operations and determine current and future system capacity and real-time limitations.
• Define equipment specifications and suitable spare parts programmes for electrical equipment.
• Provide second-level technical troubleshooting support to site staff during system events.
• Act as project manager when requested, ensuring scope, cost, and schedule targets are met.
• Identify and drive enhancements and corrective actions through to completion.
• Coach and provide feedback to site staff on high-voltage electrical matters.

At IREN, we offer a comprehensive, market-competitive total rewards package designed to support employees’ well-being, career advancement, and financial wealth. Our offerings reflect our commitment to Proceed with Purpose while rewarding high performance and long-term growth.

• Compensation & Rewards
  Competitive salary range based on experience and impact
  Short- and long-term incentive programs designed to reward both results and long term company success

Wellbeing & Benefits

• Comprehensive extended health and dental coverage to keep you and your family supported
• Three weeks of paid vacation to recharge, travel, or simply enjoy more life outside of work (note that paid vacation is for salaried employees only)

Work Environment A modern hybrid model — collaborate in our Sydney office Tuesday–Thursday, with flexibility the rest of the week
Casual, comfortable attire so you can bring your best self to work without the suit-and-tie Access to an onsite, fully equipped gym to make wellness part of your workday

We value diverse perspectives and believe that skills can be developed. If you’re passionate about this role, we want to hear from you — whether you meet every criteria or not. Your unique experiences might be exactly what we need!
IREN is an equal opportunity employer that is committed to creating an inclusive workplace. We are committed to evaluating qualified applicants and do not discriminate against protected characteristics under applicable legislation. This job will remain posted until filled. While we appreciate all applications we receive, we are only able to contact candidates under consideration.
By applying for this position and submitting your resume and application materials, you consent to the processing of your personal information in accordance with our Job Applicant Privacy Statement available on our website at www.iren.com.