Information Technology Security Officer

About Leidos Australia

At Leidos Australia, our work goes beyond a job title. We design, build, operate and support the systems, services and capabilities that help protect and advance the Australian way of life.

Backed by a global organisation of more than 40,000 people, our Australian team of around 2,000 has partnered with government, defence and national security customers for more than 30 years. We deliver mission-critical solutions where reliability, trust and purpose matter.

Leidos is a destination for people who want their work to have purpose, their contribution to be recognised, and their career to grow without needing to fit a single mould. Meaningful work is supported by benefits, flexibility and career pathways that help you grow while balancing life outside work. This includes:

• Flex Your Way – Tailor work to your life with options including Life Days (up to 12 extra days off per year), part-time arrangements, job sharing, and compressed hours.
• Wellbeing That Matters – Free access to Headspace and MeQuilibrium, plus dedicated wellness spaces to support your mental, physical, and emotional wellbeing.
• Learn Without Limits – Access over 120,000 on-demand courses, alongside technical, project management, leadership, and professional development opportunities.
• Work That Makes an Impact – Contribute to nationally significant projects that matter, solve complex challenges, and accelerate your career through unique growth opportunities.
• Build Your Future – Whether you're deepening technical expertise or preparing for leadership, we'll invest in your development every step of the way.
• And Much More – These are just a few of the ways we invest in our people and help them thrive.

About the Team

You’ll join a team where people work with integrity, inclusion, innovation, agility, collaboration and commitment. In practice, that means sharing ownership, solving complex problems together and staying connected to the customer context, the purpose behind the work and how each role contributes to meaningful outcomes.

We deliver prime systems integration projects which build, develop and support military solutions for Defence. The team focuses on leveraging our local engineering, our services expertise, and global products to bring new capabilities to the Australian Defence Force.

The Opportunity

Join the Joint Command Support Environment (JCSE) team supporting Headquarters Joint Operations Command (HQJOC), a mission-critical Defence capability responsible for coordinating Australian Defence Force operations. Working within a highly collaborative team of Defence, industry and ex-military professionals, you’ll play a key role in modernising the Joint Operations Portal and ensuring critical information systems remain secure, available and ready to support operational decision-making.

No two days look the same, but you can expect to:

• Support the governance, assurance and compliance activities that enable critical Defence systems to operate within established security and accreditation frameworks.
• Develop, maintain and improve key security documentation, including System Security Plans (SSPs), Security Risk Management Plans (SRMPs), Standard Operating Procedures (SOPs), Knowledge Base Articles and governance artefacts required for Defence accreditation and assurance activities.
• Support the implementation and ongoing management of Defence security requirements, access management processes, governance obligations and change activities across operational environments.
• Work closely with project, sustainment and Defence stakeholders to ensure security controls, documentation and compliance obligations remain aligned throughout the modernisation and ongoing operation of critical HQJOC capabilities.

About You

You are an Information Security Governance professional with experience working within Defence or similarly regulated environments. You understand the importance of governance, assurance and documentation in supporting operational capability and can confidently navigate Defence security processes and expectations from day one.

Essential:

• Experience working within Defence security governance, accreditation or compliance environments.
• Knowledge of Defence security frameworks, including the Information Security Manual (ISM), Defence Security Principles Framework (DSPF) and associated assurance requirements.
• Experience developing, maintaining and governing security documentation, including SSPs, SRMPs, SOPs, Knowledge Base Articles and compliance records.
• Experience supporting Defence accreditation, governance and assurance activities across operational or mission-critical systems.
• Understanding of Defence change management processes, documentation governance requirements and operational support frameworks.
• Experience supporting access management processes and the implementation of security requirements within Defence or government environments.
• Ability to work effectively with project teams, sustainment teams and Defence stakeholders to deliver compliant and well-governed outcomes.

Advantageous:

• Experience supporting Headquarters Joint Operations Command (HQJOC) or other Defence operational environments.
• Experience contributing to capability uplift, modernisation or transition activities within Defence systems.
• Familiarity with governance and assurance activities supporting complex ICT environments.
• Exposure to security compliance reporting, audit support activities and ongoing assurance programs.

This role requires the successful applicant to be an Australian citizen and hold a NV1 security clearance.

If this role interests you, we encourage you to apply. We value different experiences and are interested in the capability and potential you could bring.

What to Expect When You Apply

Our hiring process is designed to be straightforward, respectful and easy to navigate. If your skills, experience and qualifications look aligned with the role, our Talent Acquisition team will contact you to discuss the next stage. You can expect:

• An initial conversation with our Talent Acquisition team
• An interview with the hiring manager or interview panel
• Any role-specific assessment, technical discussion or customer step required for the position

We’ll let you know what to expect before each stage, including who you’ll meet and how to prepare. If you need any adjustments or support during the process, please let us know.

Ready to explore what’s possible?

If this sounds like a role where you can make an impact and continue to grow, we’d like to hear from you. Please apply via the “Apply Now” button with your resume. If you have any questions about the role or recruitment process, please contact Ben George, Talent Acquisition.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.