Linux Systems Administrator

Leidos; Wollongong City Council; On-site; AUD 90,000 - 120,000; Full time

Job summary

An advanced technology solutions provider in Wollongong seeks skilled Linux Administrators for their AGO GEO SPACES program. You will administer and support Linux server environments, manage virtualized systems, and implement security controls. The ideal candidate has extensive experience with enterprise Linux distributions and strong capabilities in incident management. This position requires Australian citizenship and a TSPV security clearance.

Qualifications

• Extensive experience with enterprise-grade Linux distributions.
• Strong capability in managing user access and authentication services.
• Hands-on experience with configuration and deployment tools.
• Skilled in virtualisation technologies.
• Proven incident management experience in enterprise environments.

Responsibilities

• Provide Level 2/3 support for complex Linux issues.
• Manage virtualised environments and physical systems.
• Develop system configurations and manage SOE lifecycle.
• Administer accounts and maintain security compliance.
• Implement required security controls and automate tasks.

Skills

Linux distributions (RHEL, CentOS, Ubuntu, SUSE)

User access management (OpenLDAP)

Configuration tools (Ansible, Puppet, Chef)

Virtualisation technologies (VMware ESXi, vSphere, KVM)

Incident management (Level 2/3)

Job description

Overview

Leidos Australia is seeking multiple skilled Linux Administrators to join our AGO GEO SPACES program, delivering advanced national security technology solutions in a secure, high‑compliance environment.

These key technical roles are responsible for the administration, maintenance, and support of the organisation’s Linux server environment and associated infrastructure, ensuring the stability, integrity, and efficient operation of mission‑critical systems that underpin core business and operational outcomes.

Responsibilities

• Provide Level 2/3 support for complex Linux issues, ensuring minimal business disruption.
• Manage virtualised environments (VMware/KVM) and physical systems such as HP OneView and GreenLake.
• Develop system configurations using Ansible, Puppet or Chef, and manage the SOE lifecycle with Kickstart.
• Administer accounts, permissions and authentication services (LDAP and similar), maintaining security compliance.
• Implement required security controls, including firewalls and mandatory access controls, and automate tasks using Bash, Python or Perl.

What You’ll Bring To Make An Impact

• Extensive experience with enterprise‑grade Linux distributions such as RHEL, CentOS, Ubuntu and SUSE.
• Strong capability in managing user access and authentication services, including OpenLDAP and similar systems.
• Hands‑on experience with configuration and deployment tools including Ansible, Puppet and Chef.
• Skilled in virtualisation technologies such as VMware ESXi/vSphere and KVM.
• Proven Level 2/3 incident management experience, resolving complex issues in enterprise environments.

Security, Eligibility & Diversity

Due to the nature of the role, you must be an Australian Citizen who holds an active TSPV security clearance; accompanied by the ability to be successful for a DISA/OSA.

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

Next Steps

• To apply for this role, follow the links or apply via our Careers page.
• Recruitment process – 2 interviews, background checks & DISA/OSA.
• Applicants may also need to meet ITAR requirements where applicable.
• We are committed to making our recruitment process accessible. Please contact our Careers team if you’d like to discuss any additional support during your application or throughout the recruitment process.

EEO statements and additional information are provided by Leidos where applicable.