Linux Systems Administrator

Leidos Australia; City of Melbourne; On-site; AUD 80,000 - 100,000; Full time

Job summary

Leidos Australia is seeking a skilled Linux Administrator for their AGO GEO SPACES program, specializing in advanced national security technology solutions. The successful candidate will manage and support complex Linux environments, ensuring security and efficiency.

Applicants should have extensive experience with RHEL, CentOS, and Ubuntu, along with a strong grasp of virtualization technologies and configuration tools like Ansible. An active TSPV security clearance is a must.

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 virtualization technologies.
• Proven Level 2/3 incident management experience.

Responsibilities

• Provide Level 2/3 support for complex Linux issues.
• Manage virtualized environments and physical systems.
• Develop system configurations and manage SOE lifecycle.
• Administer accounts, permissions, and authentication services.
• Implement required security controls and automate tasks.

Skills

Linux distributions (RHEL, CentOS, Ubuntu, SUSE)

User access management (OpenLDAP)

Configuration tools (Ansible, Puppet, Chef)

Virtualization technologies (VMware ESXi/vSphere, KVM)

Incident management (Level 2/3)

Education

Australian Citizenship with active TSPV security clearance

Job description

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.

Your New Role And 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

• 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.
• Australian Citizen with an active TSPV security clearance and the ability to succeed for a DISA/OSA.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.