Principal Engineer

At Downer Rail and Transit Systems, we're redefining what it means to be a subject matter expert who can materially drive and support the growth plans within RTS Engineering. This is not a legacy role or a technical advisory seat for the late stage of a career. This is a forward-leaning, high-impact position at the heart of our commercial and delivery strategy. We're building a team of elite, high-performing Principal Engineers— professional engineers who thrive in complex environments, earn their place through performance, and are relentless in pursuit of expanding existing opportunities, creating new opportunities and striving for technical excellence.

About the role 

As a Principal Structural Engineer, you will lead the development, coordination, and delivery of complex, multi-disciplinary rail and transit systems across engineering consultancy engagements and large projects. You will play a pivotal role in securing strategic and technically complex work, expanding existing engagements and leading programs across Australia's rail and transit sector and our new / emerging markets, which may be outside of our shores. 

You'll be trusted to shape solutions, build enduring client relationships, and drive technical and commercial outcomes from the front line. This is a role where leadership, customer focus, and delivery excellence intersect. 

Key responsibilities

• Foster a culture of technical excellence, client satisfaction, delivery focus among the engineering team.
• Provide expert technical leadership and support across complex projects and strategic opportunities.
• Lead the development and presentation of engineering solutions to prospective and existing clients.
• Drive revenue growth through scope expansion, value-added services, and innovative solutions.
• Promote and contribute to innovation, encouraging new ideas for business development and product enhancement.
• Deliver high-quality technical advice and subject matter expertise to internal and external stakeholders.
• Support the Discipline Manager in maintaining team knowledge currency and training initiatives
• Provide technical guidance and mentorship to engineering staff, including the development of future Principal Engineers.
• Achieve strong utilisation outcomes and contribute to the overall performance of the engineering function.
• Build trust and confidence with consulting clients through consistent delivery and professional engagement.

About you

• Degree qualifications – Structural / Mechanical Engineering or equivalent.
• Chartered Engineer (Structural / Mechanical Engineering) in Australia, and able to attain registration in applicable states (eg RPEQ in QLD). Other applicable industry certification desirable (e.g. APEC). 
• Strong background in Structural / Mechanical Engineering and Systems Integration.     
• Detailed knowledge of the application of AS 7520, EN12663, BS 7608 and EN
• Detailed knowledge of the application of EN50126 and EN50129 to the rail environment in Australia.
• Extensive proven experience in technical leadership within complex engineering environments.
• Excellent verbal and written communication skills, with a clear and professional style.
• Confident in client-facing roles, with a focus on building strong, trusted relationships.
• Willingness to travel domestically and internationally as required by project commitments.

What we offer

• Be part of a market leader in rail and transit asset management.
• Work on cutting-edge transport projects and innovative technologies.
• Enjoy a flexible, inclusive, and supportive work environment.
• Opportunities for professional development and internal mobility.
• : Save on everyday essentials, tech, travel, and more 
• Flexible Work Options: Including remote work, and location flexibility 
• Lifestyle Offers: Discounts on vehicle rentals, tech products, and shopping

To apply for this great opportunity please click the APPLY NOW button. For more information about this position please contact Crystal Cape Jones - Talent & Sourcing Business Partner at   

Please note applications will not be accepted via email, please apply via the link. 

Downer Group is an employer that acknowledges and embraces the importance of our people's diverse experiences, talents, and cultures. As an inclusive employer, we welcome applications from everyone.