IT Security Officer

• Life Days are the Leidos way of recognising that we all need extra time to take care of life. By working slightly more than the minimum weekly hours (2 hours per week for full-timers), you can accrue up to 12 days of leave per year.
• Leidos Life Hub provides access to discount offers or cashback rewards with over 400 Australian and International retailers.
• Due to the nature of the role, you must be an Australian Citizen and hold an active NV-1 AGSVA security clearance.

Our team feel Leidos is a great place to work. Learn more about our culture and benefits by visiting us here

Do Work That Matters

Leidos Australia delivers IT and airborne solutions that protect and advance the Australian way of life.  Our 2000 local experts, backed by our global experience and network of partners, are working to solve the world's toughest challenges in government, intelligence, defence, aviation, border protection and health markets.

Your New Role and Responsibilities

The Air Component Command and Control Capability System (AC-C2CS) is a mission-critical suite of software applications that enables the Australian Defence Force (ADF) to effectively plan, prepare, execute, manage, and report on aviation operations.

The IT Security Officer will support our customers technology, where an overview of responsibilities includes:

• Oversee adherence to Defence security frameworks (ISM, DSPF) and manage system accreditation.
• Conduct risk assessments, develop mitigation strategies, and maintain security documentation.
• Define and enforce security controls, access management, and data protection measures.
• Lead incident response planning, continuous monitoring, and vulnerability management.
• Provide guidance and training to project teams and stakeholders on security best practices.

What You'll Bring to Make an Impact

• Strong understanding of the Australian Government Information Security Manual (ISM), DSPF, and related compliance standards.
• Experience in risk management, security architecture, and incident response for mission-critical systems.
• Familiarity with network security, identity and access management, and secure system design.
• Proven experience in system certification and accreditation processes within Defence or similar regulated environments.

Don't worry if you don't tick all the boxes – if you meet most of them, we encourage you to submit your application.  We're most interested in your strengths, what you want to learn and how far you want to go.

Diverse Team Members, Shared Values and a Common Purpose

Providing our customers with smarter solutions takes an incredible team with diversity of thought, experience and perspectives driving innovation. Inclusion is at the heart of our culture and is one of our core values. It's about creating a workplace where everyone can do important work, feels welcome, valued, and respected, and has equal access to opportunities to thrive. Paul Chase – Chief Executive, Leidos Australia.

Leidos Australia is an equal opportunities organisation and is committed to creating a truly inclusive workplace. We welcome and encourage applications from Aboriginal and Torres Strait Islanders, culturally and linguistically diverse people, people with disabilities, veterans, neurodiverse people, and people of all genders, sexualities, and age groups.

Our five Advocacy Groups (Women and Allies Network, Young Professionals, Defence & Emergency Services, Action for Accessibility and Abilities and Pride+) provide an opportunity for team members to connect and collaborate on shared interests, and work to support and celebrate our diverse community.

Next Steps

• To apply for this role, follow the links or apply via our Careers page.
• Recruitment process - 1 virtual interview and/or 1 face-to-face & background checks.
• Applicants may also need to meet International Traffic in Arms Regulations (ITAR) requirements. In certain circumstances this can place limitations on persons who hold dual nationality, permanent residency or are former nationals of certain countries as per ITAR 126.1.
• We are committed to making our recruitment process accessible to all candidates. Please get in touch with our Careers team if you'd like to discuss any additional support during your application or throughout the recruitment process. 

At Leidos, we don't want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, "what's next?" before the dust settles on "what's now."

If you're already scheming step 20 while everyone else is still debating step 2… good. You'll fit right in.

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

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.