Defence and government advisory firm scaling sovereign capability delivery
Downer Professional Services is Australia's primary advisor and delivery partner for defence, government, and national security programmes. The company has grown from 220 to over 500 staff since becoming independent in 2018, and hiring velocity is accelerating with 41 roles posted in the last 30 days — 46% of them engineering-focused. The tech stack reveals a hybrid infrastructure operation: ServiceNow + SAP ERP for enterprise processes, Azure + OpenStack for cloud workloads, and specialized defence systems (IBM DOORS, SATCOM, BMS) for compliance-sensitive projects.
Downer Professional Services delivers large-scale advisory, integration, and programme management services to Australian Defence, federal government, and national security agencies. The firm is structured around complex, multi-year projects spanning land operations, space capability, joint defence initiatives, and infrastructure modernization — including major transitions like EDHFCS and Land 4140 work packages. Procurement integration, export control compliance, ISO 9001 certification, and multi-national information-sharing arrangements are operational constants. Based in Canberra with offices nationwide, the company executes infrastructure work across all Australian states.
ServiceNow, SAP S/4HANA, Azure, OpenStack, SharePoint, Ansible, GitLab CI/CD, Palo Alto Networks, plus defence-specific tools: IBM DOORS, SATCOM, BMS, Commvault.
Canberra City, ACT, Australia. The company operates offices across all Australian states to manage defence and infrastructure programmes nation-wide.
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