Systems Administrator (6‑month Fixed‑Term)

About the role

Leidos Australia is seeking a Systems Administrator on a 6‑month fixed‑term contract to support critical infrastructure projects. You will work across on‑premises, cloud and hybrid environments, ensuring reliability, security and modernisation of enterprise technology.

Key responsibilities

• Build, configure, test and deploy infrastructure solutions on Windows, Unix, Linux, virtualised and cloud platforms.
• Support major initiatives such as migrations, upgrades, cloud adoption and platform modernisation.
• Collaborate with project managers, architects, cybersecurity specialists, vendors and operational teams to deliver secure, resilient solutions.
• Drive continuous improvement through automation, standardisation and best‑practice operational processes.

Required profile

• Experience in systems administration or infrastructure engineering supporting enterprise environments.
• Strong knowledge of Windows, Unix and Linux server provisioning, configuration, patching and lifecycle management.
• Understanding of core services such as Active Directory, DNS, DHCP, networking, storage, authentication, monitoring, backup and performance management.
• Australian citizenship and NV‑1 security clearance.

Required skills

• Virtualisation technologies: VMware and/or Microsoft Hyper‑V.
• Infrastructure security, system hardening, vulnerability remediation and patch management.
• Scripting/automation: PowerShell, Shell scripting, Python, Ansible.
• Cloud platforms (advantageous): AWS, Microsoft Azure, Oracle Cloud Infrastructure.

What we offer

• Flexible work options including life days, part‑time, job sharing and compressed hours.
• Wellbeing support with free Headspace, MeQuilibrium and dedicated wellness spaces.
• Access to over 120,000 on‑demand learning courses and professional development opportunities.
• Opportunity to work on nationally significant projects with clear career pathways.