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 is comprised of two business units, our Technical, Advisory, and Capability consulting practice and Team Downer, a major service partner to Defence. Together, we are a multi-disciplinary advisory and delivery partner of choice for our clients in Defence and National Security.
Opportunity to join the Directorate of Cyber Security Assessments and Authorisation (CSAA) as a DCIAB Embedded Assessor, where you’ll conduct independent ICT security assessments of Defence systems classified SECRET and below for a Maritime project based in Canberra.

This role offers a broad scope, with key role responsibilities including:

• Perform security assessments of Defence ICT systems, identifying vulnerabilities and evaluating control effectiveness
• Produce Security Assessment Reports and Authorisation Briefs in accordance with CSAA and DCIAB standards
• Provide expert advice on ICT security risks, threats, and mitigation strategies across systems such as radar, satellite, and aircraft networks
• Attend stakeholder meetings and contribute to Directorate reporting and briefings

Support the CSAA Authorisation process through ongoing engagement, edits, and governance compliance
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