Join our Downer Professional Services team and play a key role in delivering complex defence and national security projects that safeguard Australia's future. Downer Professional Services comprises of three business units our Technical, Advisory, and Capability consulting practice, and Team Downer , which partners with CASG and NSSG as a major service provider to Defence . Together, we are a multi-disciplinary advisory and delivery partner of choice for clients across Defence and National Security. We currently have an opportunity for a System Integration Architect in Canberra to work on Land Capability projects . What You'll Do This role offers a broad scope, with key role responsibilities including: Advanced network engineering expertise , including designing, building, implementing and managing complex Land, Joint and Coalition networks (WAN/LAN), virtual server environments and cross‑domain solutions. Strong cybersecurity and systems ‑ integration capability , with experience managing security architectures, identifying vulnerabilities, implementing countermeasures and integrating new technologies into Defence systems. Proficiency in automation, scripting and CI/CD , supporting innovation projects and enabling efficient configuration, testing and deployment across Defence environments. High ‑ level technical documentation and analysis skills , including system design reviews, engineering documentation, bill‑of‑materials development, and evaluation of COTS/MOTS/in‑service technologies. Training, troubleshooting and stakeholder ‑ support capability , including delivering technical training, resolving hardware/software/network issues, and supporting subsystem integration across Army, Navy and Air Force technical personnel. What You'll Bring Advanced network engineering expertise , including designing, building and managing complex WAN/LAN environments across Land, Joint and Coalition domains, with strong knowledge of TCP/IP, IEEE802.3 and IEEE802.11 standards. Virtualisation and systems ‑ integration capability , with hands‑on experience in VMWare, Hyper‑V, KVM, cross‑domain solutions, subsystem integration and incorporating COTS/MOTS/in‑service technologies. Cybersecurity and automation skills , including managing security architectures (ForeScout, Splunk, McAfee), implementing countermeasures, troubleshooting issues, and conducting scripting, automation and CI/CD activities. Strong technical documentation and analytical skills , able to produce engineering documentation, bills of materials, system designs, network modelling and capability assessments for Defence stakeholders. Training and stakeholder ‑ support experience , including developing training packages and delivering technical instruction to Army, Navy and Air Force personnel, while supporting innovation and modern C2 system integration. Due to the nature of the work, you are required to currently hold and maintain an AGSVA Security clearance as required by the Commonwealth. In some instances, compliance with International Traffic in Arms Regulations (ITAR) requirements may also be an inherent requirement. More than anything, you'll bring a strong work ethic, a positive attitude, and a commitment to delivering high-quality outcomes for our clients. Why Downer Professional Services At Downer Professional Services, we're not just a workplace - we're a business dedicated to contributing to the shaping of the future of defence in Australia. As the country's only sovereign prime, we're committed to making a real difference in protecting Australia's interests. What is means to belong at Downer Professional Services Meaningful work: Help to deliver critical Defence projects that protect Australia and shape its future. Professional development: Access career mapping, accelerated learning programs, and shared learning through our Communities of Practice. Great perks: Enjoy discounts on healthcare, retail, vehicles, and more through Perks@Downer. Veteran support : Benefit from initiatives like up to 20 days of Reservist Leave to stay connected post-service. You want your work to matter and so do we. With over 26,000 people across Australia, New Zealand and the Pacific, our team is made up of individuals with unique perspectives, backgrounds, and ideas. We know that diversity makes us stronger and we actively celebrate it through our commitment to inclusion and belonging. We're committed to building a team that reflects the diverse communities we serve and we welcome people of all ages, genders, sexual orientations, cultures, abilities, and lived experiences. We especially encourage applications from those whose voices have traditionally been underrepresented in our industry, including women, Aboriginal and Torres Strait Islander Peoples, Māori and Pasifika Peoples, veterans, people with disability, and neurodivergent individuals. Even if your experience doesn't align perfectly with this role, we'd still like to hear from you. If it feels like the right fit, apply - potential counts, and so do you. As a WORK180 Endorsed Employer, we support flexibility that works for your life, inclusive leadership that values your voice, and equitable access to opportunity so you can do your best work and bring your whole self to it. If you need support or adjustments through the recruitment process, just let us know, we're here to help you put your best foot forward.
