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Systems administrator

Adelaide
Leidos
System Administrator
Posted: 10 September
Offer description

Overview

Join to apply for the Systems Administrator role at Leidos. The role supports the Air Component Command and Control Capability System (AC-C2CS), a mission-critical suite of software applications for the Australian Defence Force (ADF).


Your New Role And Responsibilities

The Systems Administrator will support our customers' technology, with responsibilities including:

* 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 end-user support, diagnose and resolve system issues, and coordinate 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 security standards, apply patches and updates, and support accreditation and audit activities to meet Defence cybersecurity requirements.
* Collaboration & Continuous Improvement: Work with Leidos and Defence stakeholders to identify opportunities for enhancements and contribute to process improvements.


What You'll Bring To Make An Impact

* System Administration Expertise: Strong experience with Windows/Linux servers, virtualization (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; ability to maintain accurate documentation.
* Problem-Solving & Communication: Excellent troubleshooting skills and ability to collaborate with Defence stakeholders and technical teams.


Benefits & Culture

Life Days recognise the need for personal time; accrue up to 12 days of leave per year by working slightly more than the minimum weekly hours. Leidos Life Hub provides access to discount offers or cashback rewards with over 400 retailers. Due to the nature of the role, you must be an Australian Citizen and hold an active NV-2 AGSVA security clearance.


Diversity, Inclusion & Equal Opportunity

Leidos Australia is an equal opportunities organisation and is committed to creating an inclusive workplace. We welcome applications from Aboriginal and Torres Strait Islander people, culturally and linguistically diverse people, people with disabilities, veterans, neurodiverse people, and people of all genders, sexualities, and age groups. We maintain advocacy groups to support a 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 need to meet ITAR requirements in certain circumstances.
* For accessibility support during the application process, contact our Careers team careers.au@au.leidos.com.

Note: This description preserves the original content and context while removing extraneous boilerplate and ensuring clean, accessible formatting.


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