Principal Mechanical Engineer (Building Services)

Principal Mechanical Engineer – Building Services • Canberra, Australian Capital Territory, Australia As our portfolio of work continues to expand, our Building Engineering team in Canberra is looking to appoint a Principal Mechanical Engineer. We’re seeking a highly skilled technical leader who thrives on delivering quality design solutions across a broad range of sectors.

What you’ll do

Utilise your extensive mechanical design experience to deliver high-quality, cost-effective outcomes across health, defence, transport, data centre, sports, and other major building across ANZ.

Lead mechanical design packages on key client projects, taking ownership of technical delivery and providing rigorous design review to ensure excellence and compliance.

Collaborate with multidisciplinary teams to drive quality across calculations, specifications, and detailed design documentation.

Provide guidance and mentorship to junior engineers, supporting their technical development and fostering a culture of continuous improvement.

Build and maintain strong working relationships with internal teams and clients, contributing to successful project outcomes and repeat business.

Qualifications and Experience

Chartered Engineer with ACT professional engineer registration, or transferrable RPEQ/RPEV registration. Equivalent recognition with a relevant professional body will also be considered.

Ideally, 10–12+ years’ experience in a Building Services consultancy or significant design experience as a Senior/Project Engineer in the Mechanical Contracting field.

Proven record in technical design and project delivery while building and maintaining strong client relationships.

Strong understanding of Building Services projects and Standards, able to impart technical knowledge to clients, junior engineers, and multidisciplinary teams.

Experience managing multiple technical projects simultaneously, with demonstrable design expertise across diverse market sectors.

Excellent communication and interpersonal skills, with a passion for mentoring and developing junior engineers.

Due to the nature of our projects, Australian Citizenship is required with current / previously held defence clearance highly regarded.

Additional Information Why you’ll love working with us

Flexible work arrangements, including alternative start/finish times, part-time, job-sharing and hybrid work options.

Purchase up to 6 weeks additional annual leave per year.

Flex public holidays – swap Easter or other holidays for ones that suit you better.

Continuous learning and growth – lunch and learns, professional development courses, financial study assistance, 5 days paid study leave, global career opportunities.

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.

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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.

Freedom to Grow in a World of Opportunity: 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.

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.

As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

You will also benefit from a wide array of compensation and benefits programs, robust global well‑being initiatives, and access to industry‑leading technology and transformational work with big impact and work flexibility. AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families.

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