Description Downer Professional Services is proud to be Defence’s strategic workforce partner within Joint Systems Division, following a competitive tender process. As part of this win, Team Downer MSP now support two critical system program offices within the JC4S Branch : Integrated Command, Control and Communications Systems Program Office (IC3 SPO) Integrated Warfighting Networks Systems Program Office (IWN SPO) These SPOs deliver secure, integrated communications and enable seamless coordination across the Australian Defence Force. This is a proud milestone for our team as we continue to drive mission-critical capability forward. We are seeking permanent Cost Modeller based in Canberra to support this Integrated Work Package. What You’ll Do This role offers a broad scope, with key role responsibilities including but not limited to: Deliver cost performance analysis, program management reporting and evaluation of baselines Development of lifecycle project cost estimation Conduct financial analysis and cost analysis in support of project execution planning Compilation of comprehensive basis of estimate documentation and cost proposals for internal and external reviews Developing financial plans, policies, processes for budgeting and accurate cost models What You’ll Bring Strong cost analysis and modelling experience in a Defence environment Experience in estimation of project costs, including developing cost models, submissions, evaluations and tenders Experience in managing tender processes and major acquisition projects Bachelors or qualification in accounting or financial management field Strong verbal and written communication skills Due to the nature of the work, you are required to currently hold and maintain a minimum Negative Vetting 1 or higher 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. 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. 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.