About AECOM Defence WorkBroad and diverse scope — Our Defence work spans base estate infrastructure, environmental & contamination assessments (e.g. PFAS remediation), sustainability and climate-resilience studies, systems engineering, cyber/ICT, capability & asset support, and more.Full-lifecycle delivery — From planning and design through to construction, project management, advisory, and long-term support, we deliver Defence projects end-to-end.National reach & mobility — Projects are located across all Australian states and territories — so you may have the opportunity to work in different regions, supporting our national Defence commitments.Part of a top-tier team — You’ll join a global leader in infrastructure and advisory services, working alongside professionals across engineering, environmental, digital, and advisory disciplines under a collaborative, inclusive culture.Our opportunities are available across all our office locations in Australia - for more information on where we are based click here, and explore your nearest office, or an office of interest for relocation.