Description At Downer Professional Services (DPS) , we are committed to delivering outcomes that put Australia’s interests first . We work on complex and impactful Defence, government, and infrastructure projects that shape the future of our nation. Our people are at the core of our success, bringing expertise, innovation, and leadership to critical Defence programs. Our Technical, Advisory, and Capability (TAC) practice and Team Downe r serves as one of the Major Service Providers delivering consulting services and Integrated Work Packages across the Department of Defence, leveraging innovative approaches such as mission and digital engineering to enable the successful delivery of critical Defence programs. This includes collaboration with key Defence entities, including Defence Digital Group (DDG), National Shipbuilding and Sustainment Group (NSSG), Capability Acquisition and Sustainment Group (CASG), and branches across the Navy, Army, and Air Force . C4 Design establishes the standards and structure for networks across the joint force using Mission Engineering principles and extensive communications expertise. We are seeking a C4 Co-Design - IAMD candidate for a joint project in Canberra to: Collaborate with stakeholders on all design activities. Conduct mission engineering and develop mission threads. Create innovative C4 design artefacts for Joint Force integration. Apply MBSE for traceable, repeatable, and evidence-based designs. Work with C4 Design teams to ensure coherent outputs and assurance. Formalise design artefacts into Standards Profiles with the C4 Standards Team. Support capability programs, acquisitions, and sustainment with compliant C4 designs. Deliver written and verbal briefs for C4 Design assurance. The successful candidate must have Defence industry experience coupled with: Expertise in Intelligence & Targeting, IAMD (Air & Space), Multi-Domain Strike, AI & Uncrewed Systems, Maritime (Undersea Warfare), or Force-level logistics & health info. Experience designing C4 capabilities. Expertise in Mission Engineering, particularly mission thread development. Knowledge of Systems of Systems Engineering and/or MBSE. Familiarity with NATO Architecture Framework v4.0. Our work is highly complex and confidential; applicants must be Australian citizens with a minimum NV1 security clearance. Additionally, compliance with International Traffic in Arms Regulations (ITAR) requirements may be necessary. In some cases, this may impose restrictions individuals who are dual citizens, permanent residency, or former nationality of specific countries as outlined in ITAR 126.1. 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 join 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. Be first in line for future opportunities – By joining our talent network, you’ll receive priority consideration for upcoming roles that align with your skills and career goals, ensuring you stay ahead of the curve. Work on projects that matter – You’ll have the chance to contribute to career-defining projects that support Australia’s sovereign capability and national security, delivering real impact in Defence, government, and infrastructure. Invest in your growth – We believe in continuous learning. Whether it’s through structured career mapping, mentoring, training programs, or our Summer and Winter Schools for accelerated learning, we provide the resources to help you advance in your career. Collaborate with Industry experts – You’ll work alongside highly skilled professionals and leaders in a supportive and collaborative environment, where knowledge-sharing and professional development are at the core of what we do. Enjoy a range of perks & benefits – As part of Perks@Downer, you’ll have access to discounted healthcare, savings on retail and car purchases, and exclusive industry benefits to support your lifestyle. Strong veteran support & Inclusion Initiatives – We actively support Defence veterans with policies including up to 20 days of Reservist Leave to help you transition while staying connected to service. Let’s connect If you’re interested in future opportunities with Downer Professional Services, register your Interest today. Simply apply now, and we’ll be in touch as relevant roles become available. Downer Group is an equal opportunity employer committed to diversity and inclusion. We encourage applications from all backgrounds, including First Nations people and those from culturally and linguistically diverse communities. 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.