Principal Solutions Engineer

Wiz, Inc.; Brisbane; On-site; AUD 170,000 - 230,000; Full time

Benefits offered by this job

Flexible work arrangements

Extra annual leave (up to 6 weeks)

Volunteer and representation leave

Flexible public holidays

Job summary

AECOM in Australia seeks a Principal Primary Engineer to lead high‑voltage primary and substation design, providing technical mentoring across an established team. You will drive projects from initiation to completion, applying TransGrid/Powerlink standards for 330 kV–500 kV work.

You will guide multidisciplinary teams, ensure safety and compliance, and influence technical standards while delivering high-quality infrastructure across complex programs.

Qualifications

• Experience leading design and delivery of primary and substation projects.
• Ability to apply TransGrid and Powerlink standards in design work.
• Knowledge of high-voltage equipment and AS/NZS standards.
• Strong communication and stakeholder engagement skills.

Responsibilities

• Lead development and review of primary system designs including layouts and equipment selection.
• Act as SME for substation primary engineering within project teams.
• Ensure technical verification within AECOM standards and processes.
• Coordinate with protection, control, civil, and secondary engineers.
• Provide technical leadership and mentoring to junior engineers.
• Interface with clients and regulatory bodies to align on requirements.
• Review and approve engineering deliverables and design reports.
• Support tendering, project planning, and cost estimation activities.

Skills

Substation design

High voltage design

TransGrid/Powerlink standards

Australian standards

Stakeholder engagement

Chartered Engineer status

Education

Bachelor's degree in electrical engineering

Job description

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Principal Primary Engineer, Substation Design I NSW

AECOM’s Energy practice provides a wide range of services from consulting and engineering design to energy engineering, energy procurement and construction (EPC) for power, energy efficiency, and renewable energy clients. Our understanding of the big picture – and the interconnection between generation, distribution, storage, and the demand side of the meter – allows us to deliver holistic strategies that improve and modernise next generation energy infrastructure. We connect knowledge and experience across our global framework to bring together a unique combination of engineers, planners, scientists, and project managers who advance cleaner, secure, and more sustainable energy solutions.

Everyone belongs at AECOM

We’re committed to diversity, equity, inclusion, and belonging - because great ideas come from diverse perspectives. AECOM is proud to be a Fortune 500 Most Admired Company, a WGEA Employer of Choice for Gender Equality, Work180 Equitable Workplace Awards 2025 Winner and an AWEI Bronze Tier LGBTQ+ Inclusive Employer.

Job Description

Lead as Principal Primary Engineer the design and delivery of high-voltage primary and substation projects, including providing technical mentoring and support across an established team of engineers and technical subject matter leaders. This role provides the scope to grow your career within an established Energy team, building on your extensive technical expertise in primary systems and substation design. You will be able to lead the delivery of projects from initiation to completion across technical, design, project delivery and supporting others development in the team, using your proven track record such as across applying TransGrid and/or Powerlink standards and practices for high voltage 330 kV projects up to 500kV.

In this position, you will play a key leadership role across engineering design, technical governance, and project execution. You will be responsible for ensuring the delivery of high-quality, compliant, and efficient substation infrastructure, while driving best practices and providing technical direction across multidisciplinary teams. This is your opportunity to guide project delivery teams across complex work packages, shape technical standards, and make a tangible impact on critical and major energy infrastructure.

How you’ll make a difference:

• Lead the development and review of primary system designs including layouts, equipment selection, earthing systems, and busbar configurations.
• Act as a subject matter expert for substation primary engineering within project teams to support project design and delivery excellence.
• Ensure technical verification tasks are completed, working within AECOM’s technical standards and processes.
• Coordinate with multidisciplinary teams including protection, control, civil, and secondary systems engineers.
• Provide technical leadership and mentorship to junior and intermediate engineers to develop their technical and project abilities.
• Interface with clients, stakeholders, and regulatory bodies to ensure alignment with project requirements, working as a trusted advisor.
• Review and approve engineering deliverables such as drawings, specifications, and design reports.
• Support tendering, project planning, and cost estimation activities.
• Ensure adherence to safety, quality, and environmental standards throughout project lifecycle.
• Participate in design reviews, risk assessments, and value engineering initiatives.

Qualifications

To be successful in this role, you will be an experienced Primary Engineer with a track record across leading the design and delivery of primary and substation projects. You will be known for your ability to work independently, leading the delivery of projects, working collaboratively in teams, with a project and client-first focus. Experience and exposure to working across different project types, site requirements, and geographies at utility scale will be an advantage.

The following qualifications and experience are highly desired, but if you don’t tick all the boxes, you could still be a perfect fit for this role. Please apply, all applications will be considered.

The qualities that help you thrive:

• Demonstrated experience working with TransGrid/Powerlink substation design standards and specifications, across a variety of projects.
• Experience in substation primary design, preferably within the Australian transmission sector (from 7+ years’ experience).
• Strong knowledge of high-voltage equipment including transformers, switchgear, circuit breakers, isolators, and reactive plant.
• Experience with substation layout design, insulation coordination, and earthing systems.
• Familiarity with relevant Australian standards (e.g., AS/NZS) and industry best practices.
• Excellent communication and stakeholder engagement skills.
• Chartered Engineer status (or working towards) is highly desirable, supported by a bachelor’s degree in electrical engineering or related discipline.

Additional Information

Why you’ll love working with us

• Flexible work arrangements available, aligned with the market and client facing role requirements
• Purchase up to 6 weeks additional annual leave per year
• Volunteer and representation leave
• Flex public holidays – swap Easter or other holidays for ones that suit you better

Ready to push the limits of what’s possible?

We welcome applications from individuals of all backgrounds, including those with disabilities, additional health or mental health needs, and/or neurodiverse conditions. If you require any adjustments during the hiring process, please let us know.

Applications are reviewed as they come in, and the role may close earlier than expected, so if this opportunity sounds like you, we encourage you to apply as soon as possible.

AECOM acknowledges the Traditional Owners and Custodians of the lands on which we, our clients and our communities live and work around Australia. We pay our respects to their cultures and to their Elders — past, present, and emerging. We are committed to connecting to Country in our work through meaningful engagement with First Nations peoples and businesses. Find out more about our Australian Reconciliation Action Plan here: Our vision for Reconciliation.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

AECOM acknowledges the Traditional Owners and Custodians of the landson which we, our clients and our communities live and workaround Australia.We pay our respects to their cultures and to their Elders — past, present, and emerging. We are committed to connecting to Country in our work through meaningful engagement with First Nations peoples and businesses.Find out more about our Australian Reconciliation Action Plan here:

About AECOM

AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.