McMahon Services is one of Australia's largest privately owned construction, industrial and environmental services organisations, employing more than 1,300 people across Australia.

For more than 35 years, we've delivered complex projects across civil infrastructure, demolition, remediation, industrial services and environmental solutions. Our reputation is built on strong relationships, technical expertise and delivering certainty for our clients, while creating long-term career opportunities for our people.

About the Role

We're looking for an experienced Senior Project Engineer to join our Civil & Infrastructure team delivering critical civil infrastructure works supporting Australia's Defence capability near Whyalla, South Australia.

Working closely with the Project Manager and an experienced delivery team, you'll play a key role in the successful delivery of the project, providing technical leadership while managing procurement, contract administration, scheduling, cost control and stakeholder engagement.

This permanent full-time role operates on a Drive-In Drive-Out (DIDO) roster, with accommodation and applicable work-away allowances provided.

Whether you already have Defence experience or you're looking to expand into this growing sector, this role offers the opportunity to develop your leadership capability while working on complex and rewarding civil infrastructure projects.

What You'll Do

• Lead and support engineering and site teams throughout project delivery.
• Coordinate subcontractors, suppliers and project stakeholders.
• Manage procurement, contract administration, project scheduling and cost control.
• Monitor project budgets, forecasting, progress claims and variations.
• Champion a strong safety culture and ensure quality and compliance standards are maintained.
• Build strong relationships with clients, subcontractors and consultants.
• Mentor Project Engineers and site personnel.
• Prepare and review technical documentation, RFIs and project reporting.
• Identify project risks and opportunities while supporting successful project delivery.

What You'll Bring

• Degree in Engineering or a related discipline.
• Minimum five years' experience delivering civil infrastructure or construction projects.
• Strong commercial, contract administration and project management experience.
• Experience managing procurement, subcontractors and project planning.
• Sound understanding of project budgets, forecasting and reporting.
• Experience using project management platforms such as InEight, Aconex or Procore.
• Excellent communication, problem-solving and stakeholder management skills.
• Demonstrated leadership experience working with project teams.
• Current White Card and Driver's Licence.
• National Police Clearance

What Will Set You Apart

• Experience delivering civil infrastructure projects, including roads, earthworks and associated infrastructure.
• Previous Defence project experience.
• Strong mentoring and leadership capability.
• A proactive, solutions-focused approach.
• Commitment to delivering safe, high-quality project outcomes.
• The ability to build trusted relationships across project teams and clients.

Why Join McMahon Services?

• Permanent full-time role with a strong pipeline of Defence infrastructure projects.
• DIDO roster with accommodation and applicable work-away allowances provided.
• Deliver meaningful civil infrastructure projects supporting Australia's Defence capability.
• Join an experienced and collaborative Civil & Infrastructure team.
• Genuine long-term career opportunities within one of Australia's leading privately owned construction companies.
• Access ongoing development through the MAC Learning Academy, employee benefits and wellbeing initiatives.

Ready to Build What's Next?

If you're looking to take the next step in your engineering career while working on rewarding civil infrastructure projects, we'd love to hear from you.

Apply today and join McMahon Services.

No recruitment agencies please.

At McMahon Services, we embrace diversity and inclusion as fundamental values. We believe that a diverse workforce fosters innovation, creativity and a deeper understanding of the communities we serve. We are committed to creating an inclusive environment where all employees feel valued, respected and empowered to contribute their unique perspectives and talents. We encourage applications from people of all backgrounds, identities and experiences.