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High Voltage Design Engineer

IREN
Sydney NSW

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Job Details

Full-time

Qualifications

Engineering
Bachelor's degree
Construction
AI
Communication skills

Full Job Description

Job Type: Full-Time | Location: Australia | Department: Engineering | Reporting to: VP, Engineering | Work Location Type: #onsite
IREN is a leading AI Cloud Service Provider, delivering large-scale GPU clusters for AI training and inference. IREN’s vertically integrated platform is underpinned by its expansive portfolio of grid-connected land and data centers in renewable-rich regions across the U.S. and Canada.

Reporting to the Vice President of Engineering, the High Voltage Design Engineer will act as Owner’s representative in the design of our High and Medium Voltage substations infrastructure for our Australian data center projects.

This role is ideal for an engineer with strong detailed design experience from a consulting/engineering firm environment, who is looking to transition into an owner’s engineering role with end-to-end responsibility—from early concept through energization and operations.

You will work across our Australian project portfolio, partnering with utilities, EPCs, and internal stakeholders to deliver standardized, scalable, and highly reliable substation solutions.

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.

- Bachelor’s Degree in Electrical Engineering(Power Systems preferred).
- 7-10 years of progressive experience insubstationengineering, ideallywith direct, hands-on detailed design experience from a consulting/engineering firm or utility environment (strongly preferred)
- Proven experience delivering substation projects from concept through construction and commissioning
- Strong knowledge of substation physical design, grounding, lightning protection, and insulation coordination and protection & control
- AC/DC auxiliary systems and station service design
- Familiarity with engineering tools such as ETAP, SKM, PSCAD, PSSE, CDEGS (or similar)would be an asset
- Field experience in construction, commissioning, or testingwould be an asset
- Strong understanding of applicable Australian codes and relevantindustry andutility standards
- Ability to operateeffectively in a fast-paced, multi-project environment
- Excellent communication skills with the ability tointerface withutilities, contractors, and internal stakeholders
- Detail-oriented with a strong focus on quality, safety, and reliability
- Comfortable balancing standardization vs. project-specific customization

Lead and review the detailed design of HV/MV substations (typically 33 kV to 330kV), including one-line diagrams and protection philosophies, switchyard layouts, grounding and lightning protection systems, AC/DC auxiliary systems and station service design, cable routing, duct banks, and raceway design
Perform and/or review engineering studies including short circuit, load flow, grounding, insulation coordination, and equipment duty
Develop and maintain standardized substation design templates to support rapid deployment of data center campuses
Act as Owner’s Engineer, overseeing external engineering consultants and EPC contractorsfor Substation design
Review and approve engineering deliverables, calculations, drawings, and specifications
Ensure designs align with project requirements, reliability targets, and internal standards
Support value engineering and constructability reviews tooptimizecost, schedule, and scalability
Collaborate with internal teams (data center design, construction, operations)
Develop and/or reviewtechnical specifications for major substation equipment (transformers, breakers, AISequipment, protection systems, etc)
Support procurement activities including technical bid evaluations and vendor document reviews
Provide engineering support during construction (RFI responses, site issue resolution), Factory Acceptance Tests (FAT) and Site Acceptance Tests (SAT),Commissioningand energization
Conduct site visits to verify existing conditions and monitor installation quality
Coordinate across disciplines including civil, structural, protection & control (P&C), and SCADA

Ensure compliance with applicable standards, codes, and utility requirements
Contribute to development of internal engineering standards, best practices, and design guides
Support multiple concurrent projects in a fast-paced, high-growth environment

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

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 .

Apply Now

Refine Your Search

high voltage jobs in sydney nsw

High Voltage Design Engineer

Electricians (High-Voltage Construction)

Electrical Engineer - Low Voltage Switchgear

High Voltage Maintenance Engineer

High Voltage Specialist

Electrical Foreman

Power Generation Plant Operator

Bid Manager- Medium Voltage

Electrical Estimator – High Voltage (HV /ASP 1)

Electrical Apprentice

Electrical Engineer Primary & Earthing

Electrical Engineer

Trade Assistant (HV Electrical Construction)

Senior Commissioning Manager FACTS

Electrical Trade Assistant

Junior Technician

Secondary System Engineer

Electricians - DIDO

Principal Electrical Engineer – Primary HV, Earthing, & Renewable Energy

Principal Transmission Lines Engineer

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