Exciting Defence Career Opportunities at AECOM in Australia

AECOMAdelaide

On-site Full-time

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Experience Level

Experience

Qualifications

We are looking for candidates with a background in engineering, project management, or related fields. Preferred qualifications include:Relevant degree from an accredited institutionExperience in Defence or related industries is an advantageStrong analytical and problem-solving skillsExcellent communication and teamwork abilities

About the job

Join AECOM, a global leader in integrated infrastructure and environmental services, as we expand our Defence capabilities in Australia. We are seeking passionate and skilled professionals to contribute to our mission of delivering innovative solutions that support our Defence clients.

About AECOM

AECOM is a premier, fully integrated infrastructure and environmental services firm, providing solutions for public and private clients. With a commitment to sustainability and innovation, we are dedicated to helping communities thrive through our work in Defence, transportation, and environmental sectors.

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Principal/Director of Environmental Impact Assessment - Defence

AECOM

Full-time|On-site|Adelaide

Join AECOM as a Principal/Director of Environmental Impact Assessment for Defence projects, where you will lead pivotal environmental assessments that shape the future of defence infrastructure. In this strategic role, you will work closely with clients, stakeholders, and multidisciplinary teams to ensure compliance with environmental regulations and promote…

Mar 23, 2026

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Senior Environmental Scientist - Impact Assessment

AECOM

Full-time|On-site|Adelaide

Join AECOM as a Senior Environmental Scientist specializing in Impact Assessment. In this role, you will lead environmental assessments, ensuring compliance with regulations and sustainability practices. You will collaborate with a diverse team of professionals, providing your expertise to deliver high-quality projects.Your responsibilities will include managing environmental impact assessments, conducting fieldwork, analyzing data, and preparing detailed reports. You will also engage with stakeholders to communicate findings and recommendations effectively.

Apr 13, 2026

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Principal Structural Engineer - Defence

AECOM

Full-time|On-site|Adelaide

Join the AECOM team as a Principal Structural Engineer specializing in Defence projects. We are seeking a highly skilled and motivated professional to lead innovative engineering solutions that meet the demanding needs of our clients in the defence sector. Your expertise will guide design and analysis processes, ensuring that our projects are delivered on time and to the highest standards.As a Principal Structural Engineer, you will collaborate with multidisciplinary teams, mentor junior engineers, and contribute to the strategic direction of our engineering practice. Your role will involve engaging with clients, managing projects, and providing technical leadership.

Mar 23, 2026

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Principal Mechanical Engineer - Defence

AECOM

Full-time|On-site|Adelaide

As our defence portfolio continues to expand, AECOM's Building Engineering team is on the lookout for a Principal Mechanical Engineer. We are seeking an exceptional technical leader who excels at delivering high-quality design solutions across diverse sectors.While our preference is for candidates based in Adelaide, this position is also open to individuals in Brisbane or Melbourne.Your Impact:Leverage your extensive mechanical design expertise to deliver high-quality, cost-effective solutions for major building projects across health, defence, transport, data centres, sports, and more within ANZ.Take charge of mechanical design packages on key client projects, ensuring technical delivery excellence through rigorous design reviews and compliance checks.Engage with multidisciplinary teams to enhance quality across calculations, specifications, and detailed design documentation.Mentor junior engineers, supporting their technical growth and encouraging a culture of continuous improvement.Foster strong relationships with internal teams and clients, contributing to successful project outcomes and encouraging repeat business.

Mar 13, 2026

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Principal / Senior Electrical Engineer - Defence Sector

AECOM

Full-time|On-site|Adelaide

Join AECOM as a Principal or Senior Electrical Engineer in the Defence sector, where you will leverage your extensive expertise to design and implement cutting-edge electrical systems. Collaborate with a team of professionals dedicated to advancing national security and defence projects. Your contributions will play a crucial role in shaping innovative solutions for our clients.

Mar 22, 2026

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Design Manager in Defence

AECOM

Full-time|On-site|Adelaide

Join AECOM as a Design Manager in Defence, where you will lead innovative design projects that contribute to the safety and security of our communities. In this pivotal role, you will leverage your expertise in the defence sector to manage multidisciplinary teams, ensuring that designs meet both client expectations and regulatory requirements. Your leadership will guide the successful execution of projects from conception through to completion.

Mar 18, 2026

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Cost Manager | Defence & Infrastructure

Turner Townsend

Full-time|On-site|Adelaide

Role Overview Turner Townsend is seeking a Cost Manager with experience in Defence and Infrastructure for its Adelaide office. This position focuses on managing project costs, supporting delivery within budget and schedule, and guiding clients toward practical, cost-effective solutions. What You Will Do Oversee cost management processes for defence and infrastructure projects Advise clients on strategies to improve value and control spending Carry out detailed cost analysis to inform project decisions Work closely with stakeholders to align on financial goals and project requirements Facilitate clear communication between project teams and clients regarding budgets and forecasts What We Look For Strong analytical skills and attention to detail Experience in cost management, ideally within defence or infrastructure sectors Ability to collaborate with diverse teams and stakeholders Clear communication and advisory skills

Apr 15, 2026

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Exciting Defence Career Opportunities in Adelaide

AECOM

On-site|On-site|Adelaide

Join AECOM, a global leader in engineering, construction, and infrastructure, as we expand our defence capabilities in Adelaide. We are looking for passionate individuals eager to contribute to innovative projects that shape the future of defence. At AECOM, we value diversity and are committed to creating a supportive environment where every team member can thrive.

Apr 9, 2026

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Senior Cost Manager | Defence & Infrastructure

Turner & Townsend

Full-time|On-site|Adelaide

Join our dedicated project team in Adelaide as a Senior Cost Manager, where you will play a pivotal role in a significant Defence infrastructure programme. In this dynamic position, you will deliver exceptional cost control, contract management, and commercial oversight. Collaborating closely with project stakeholders, you will ensure that construction progress, budgets, and variations are meticulously managed and reported with precision.Oversee the administration of construction contracts, including the assessment, implementation, and negotiation of variations.Track and monitor construction progress, ensuring timely and accurate reporting.Engage in comprehensive cost management activities, including budget monitoring and forecasting.Maintain detailed financial records, documentation, and cost databases to support project reporting.Facilitate commercial reviews and ensure contractual compliance throughout the project lifecycle.Work in collaboration with internal and external stakeholders to address cost-related challenges.Contribute to the continuous enhancement of cost control processes and project reporting standards.

Mar 17, 2026

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Senior Hydraulic Engineer specializing in Defence

AECOM

Full-time|On-site|Adelaide

Join AECOM, a global leader in engineering and construction, as a Senior Hydraulic Engineer specializing in Defence projects. This role is pivotal in delivering innovative hydraulic solutions that meet our clients' needs while ensuring compliance with all relevant regulations and standards. You will be responsible for managing hydraulic designs, conducting feasibility studies, and collaborating with multidisciplinary teams to enhance project outcomes.

Mar 24, 2026

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Project Controls Manager | Defence & Infrastructure

Turner Townsend

Full-time|On-site|Adelaide

As a Project Controls Manager specializing in Defence and Infrastructure, you will play a pivotal role in managing project performance, ensuring projects are delivered on time and within budget. You will oversee planning, scheduling, risk management, and cost control activities. This position requires strong leadership skills to coordinate with diverse teams and stakeholders, ensuring seamless communication and project execution.

Mar 4, 2026

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Senior Project Planner | Defence & Infrastructure

Turner Townsend

Full-time|On-site|Adelaide

Role overview Turner Townsend seeks a Senior Project Planner to join its Adelaide team, supporting Defence and Infrastructure projects. This position centers on building and maintaining project schedules, working with diverse teams, and ensuring projects align with client goals. What you will do Create and manage detailed schedules for Defence and Infrastructure projects. Collaborate with teams across disciplines to coordinate planning activities. Assign resources to keep project milestones on target. Spot risks that could impact timelines or deliverables and address them promptly. Maintain high standards for quality and safety throughout each phase of project delivery.

Apr 21, 2026

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Exciting Defence Career Opportunities at AECOM in Australia

AECOM

Full-time|On-site|Adelaide

Jan 8, 2026

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Technical Director of Architecture - Nuclear Safety

AECOM

Full-time|On-site|Adelaide

The Nuclear Suitably Qualified and Experienced (NSQEP) Technical Director of Architecture plays a pivotal role in providing senior leadership for the planning, design, and execution of defence infrastructure projects across Australia. This position merges architectural excellence with nuclear safety expertise, ensuring that all facilities are conceptualized, designed, and delivered in accordance with the Australian Naval Nuclear Power Safety Regulator (ANNPSR), Defence standards, and international best practices set by the IAEA and ONR.As the Technical Director, you will be instrumental in shaping the design strategy, directing multidisciplinary teams, and ensuring governance over architectural outputs that directly relate to nuclear safety cases and regulatory compliance. Additionally, you will serve as a strategic advisor to all stakeholders and industry partners, ensuring that safety, resilience, and operational readiness are embedded in every architectural decision.Your Impact:Strategic Leadership: Formulate design strategies and governance frameworks for architectural outputs aligned with nuclear safety and regulatory licensing.Team Leadership: Mentor and guide multidisciplinary teams to deliver high-quality outputs that meet defence standards and best practices.Stakeholder Engagement: Serve as a strategic advisor to stakeholders and industry partners, incorporating safety, resilience, and operational readiness into all architectural decisions.Compliance Assurance: Ensure all facilities are designed and delivered in strict adherence to regulatory and industry standards.

Feb 26, 2026

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Programme Change Control Lead | Defence & Infrastructure

Turner Townsend

Full-time|On-site|Adelaide

Join our dynamic team at Turner Townsend as a Programme Change Control Lead, where you will play a pivotal role in managing change within our Defence & Infrastructure projects. In this full-time position, you will leverage your expertise to ensure effective change control processes are implemented, enhancing project delivery and stakeholder engagement.

Nov 12, 2025

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Associate Cost Manager | Defence & Infrastructure

Turner Townsend

Full-time|On-site|Adelaide

Role Overview Turner Townsend is hiring an Associate Cost Manager with a focus on Defence and Infrastructure projects in Adelaide. This position supports the delivery of large-scale projects by applying sound cost management throughout each phase. What You Will Do Support cost management activities across the full project lifecycle Work alongside clients, stakeholders, and internal project teams Help ensure that established cost practices and standards are followed Contribute to delivering projects on budget and on schedule

Apr 15, 2026

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Senior Project Risk Manager | Defence & Infrastructure

Turner & Townsend

Full-time|On-site|Adelaide

Turner & Townsend is seeking an experienced Senior Project Risk Manager to join our dynamic Defence & Infrastructure team in Adelaide. In this role, you will be responsible for identifying, assessing, and mitigating risks on key projects. Your expertise will be crucial in ensuring the successful delivery of complex infrastructure initiatives.

Apr 30, 2026

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Senior Project Cost Controller | Defence & Infrastructure

Turner Townsend

Full-time|On-site|Adelaide

Join our dynamic team at Turner Townsend as a Senior Project Cost Controller in Defence & Infrastructure. In this pivotal role, you will leverage your expertise to manage project costs, ensuring that our defence and infrastructure projects are delivered on time and within budget. You will collaborate with cross-functional teams to develop cost strategies, analyze financial data, and provide insightful reports. Your ability to navigate complex financial environments will be essential in driving project success.

Mar 23, 2026

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Senior Mechanical Engineer (Defence) at AECOM | Adelaide

AECOM

Full-time|On-site|Adelaide

Join our dynamic team at AECOM as a Senior Mechanical Engineer specializing in defence projects. In this pivotal role, you will leverage your engineering expertise to develop innovative mechanical systems that meet the rigorous demands of defence applications.Your responsibilities will include:Leading mechanical design and analysis for defence systems.Collaborating with cross-functional teams to ensure project success.Overseeing the development of technical documentation and specifications.Mentoring junior engineers and providing technical guidance.We are looking for a proactive engineer who is passionate about making a difference in the defence sector. If you are ready to take your career to the next level, apply now!

Mar 22, 2026

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Expressions of Interest: Project Controls & Management Roles | Defence Infrastructure

Turner & Townsend

Full-time|On-site|Adelaide

Turner & Townsend is seeking expressions of interest from professionals experienced in Project Controls, Project Management, or Cost Management. These upcoming roles will support defence infrastructure projects in Adelaide, with positions available across various levels and specialties. Role overview These roles focus on contributing expertise to significant defence infrastructure initiatives. Opportunities cover multiple disciplines, allowing professionals to apply their skills to projects that shape outcomes for both clients and the broader community. Impact Working with Turner & Townsend means joining teams that deliver projects and programs vital to the future of defence infrastructure. The work supports major initiatives and provides a chance to make a tangible difference within the sector. Requirements Professional experience in Project Controls, Project Management, or Cost Management Interest in upcoming opportunities within the defence infrastructure sector Willingness to work in Adelaide

Apr 24, 2026

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