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 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 an IT Security Manager in Canberra to manage and oversee the security within the ADF Electronic Flight Bag (ADF EFB) and Air Movements Tasking and Control System (AMTACS) capabilities.

What You’ll Do

- Monitor and maintain system security, investigate and manage security incidents, and provide security risk and compliance advice.
- Report security matters to system owners and stakeholders, and maintain security accreditation and governance documentation.
- Provide support to the Senior Engineering Manager, ensuring security activities remain aligned with Defence security requirements and Capability Manager priorities.
- Engage with defence stakeholders, industry partners, and support providers to ensure cyber security risks are effectively managed and system authorisation is maintained throughout the capability lifecycle.

What You’ll Bring

- Formal qualifications in Information Security, Cyber Security, Information Technology, or a related discipline.
- Demonstrated experience performing the duties of an Information Technology Security Manager (ITSM) within a Defence, Government, or complex enterprise ICT workplace.
- Strong understanding and practical application of the Australian Government Information Security Manual (ISM), Defence Security Principles Framework (DSPF),



and associated cyber security policies.
- Experience supporting system security accreditation, assessment, and authorisation activities, including the maintenance of security documentation and risk assessments.
- Demonstrated experience administering, supporting, or governing Mobile Device Management (MDM) solutions, including cloud-hosted MDM environments and security controls for mobile platforms.
- Experience providing cyber security advice and support to business, operational, and technical stakeholders.
- Excellent written communication skills with an ability to produce high‑quality technical, governance, and administrative documentation.

Due to the nature of the work, you must currently hold an AGSVA Clearance as required by the Commonwealth. In some instances, compliance with International Traffic in Arms Regulations (ITAR) may also be required.

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 Skilled 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 It Means to Belong at Downer Professional Services

- Meaningful work :



Help 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
- Veteran support : Benefit from initiatives such as 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 under‑represented 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 does not align perfectly with this role, we’d still like to hear from you. If it feels like the right fit, please apply – potential counts, and you do too.

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.

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📌 IT Security Manager (Canberra)
🏢 Downer
📍 Canberra