Principal OHW Engineer

Job Description

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations.

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There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

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We're one global team driven by our common purpose to deliver a better world. Join us.

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Job Description

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Due to strong business demand, we are seeking a Principal Overhead Wiring (OHW) Engineer for Australia and New Zealand. This strategic technical role serves as the principal technical authority for OHW design across ANZ, providing specialized input, technical assurance, and advisory support, while contributing to capability growth and work winning. The role is ideally based in Sydney and is open to Brisbane or Melbourne for candidates with Sydney Trains experience.

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• Serve as a senior technical resource and advisor to multidisciplinary teams across regions.
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• Provide specialized technical input to studies and designs within OHW and rail electrification.
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• Participate in interdisciplinary reviews of project deliverables to ensure integrated outcomes.
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• Develop construction cost estimates and estimates of technical effort for OHW scope.
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• Apply expertise across all steps required to complete the OHW discipline component of PS&E packages.
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• Perform quality control reviews of design calculations, drawings, and deliverables.
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• Prepare technical specification sections aligned to Australian rail standards and client requirements.
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• Provide input to engineering budgets and schedules to meet scope, quality, and delivery requirements.
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• Undertake design reviews, technical assurance, and governance activities.
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• Support major heavy rail, metro, and transit projects across ANZ.
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• Build and maintain client and stakeholder relationships as a subject matter expert.
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• Support business development, proposals, and work winning activities.
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• Influence OHW strategy, capability, and future growth through technical thought leadership.
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• Work alongside leading rail specialists on major infrastructure programs.
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Qualifications

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• Relevant Engineering degree.
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• Extensive experience in overhead wiring design and rail electrification.
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• Demonstrated senior technical experience within a consulting environment.
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• Strong understanding of Australian rail standards and delivery frameworks.
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• Sydney Trains experience (highly preferred).
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• Experience delivering projects, mentoring junior engineers, and managing stakeholders.
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• Capability to support business development and client engagement.
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• CPEng or equivalent professional accreditation preferred.
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Additional Information

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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.

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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:https://aecom.com/au/our-vision-for-reconciliation/.

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About AECOM

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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.

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Freedom to Grow in a World of Opportunity

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You will have the flexibility you need to do your best work with hybrid work options. Whether you're working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

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You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

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AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. We're the world's trusted global infrastructure firm, and we're in this together – your growth and success are ours too.

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Join us, and you'll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person's potential, and we'll help you reach yours.