Systems Administrator

Overview

Join to apply for the Systems Administrator role at Leidos. Canberra, Australian Capital Territory, Australia.

Our team at Leidos Australia delivers IT and airborne solutions that protect and advance the Australian way of life. 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.

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 Systems Administrator will support our customer's technology, where an overview of responsibilities includes:

• System Operations & Maintenance: Monitor, maintain, and optimise AC-C2CS infrastructure to ensure high availability, performance, and reliability across Defence environments.
• Technical Support & Troubleshooting: Provide responsive support to end users, diagnosing and resolving system issues, and coordinating with engineering teams for escalations.
• Configuration & Change Control: Manage system configurations and implement approved changes in line with Defence protocols and change management procedures.
• Security & Compliance: Uphold system security standards, apply patches and updates, and support accreditation and audit activities to meet Defence cybersecurity requirements.
• Collaboration & Continuous Improvement: Work closely with Leidos and Defence stakeholders to identify opportunities for system enhancements and contribute to process improvement initiatives.

What You'll Bring To Make An Impact

• System Administration Expertise – Strong experience with Windows/Linux servers, virtualisation (e.g., VMware), and networking fundamentals.
• Cybersecurity & Compliance – Knowledge of Defence security standards, patching, system hardening, and accreditation processes.
• ITIL & Change Management – Familiarity with incident, problem, and change management processes; ability to maintain accurate documentation.
• Problem-Solving & Communication – Excellent troubleshooting skills and ability to collaborate with Defence stakeholders and technical teams.

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 careers.au@au.leidos.com if you'd like to discuss any additional support during your application or throughout the recruitment process.

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.

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

Equal Opportunity

Leidos Australia is an equal opportunities organisation and is committed to creating a truly inclusive workplace. We welcome and encourage applications from diverse communities and are committed to inclusion as a core value.

Original Posting & Pay Information

Original posting details and pay ranges are provided for context. 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 responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity and market data.

How to Apply

To apply for this role, follow the links or apply via our Careers page. Referrals increase your chances of interviewing at Leidos by 2x.

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