Linux Systems Administrator – Security-Cleared & Automation

Leidos Australia; Victoria; On-site; AUD 90,000 - 130,000; Full time

Job summary

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.

You will provide Level 2/3 support for complex Linux issues, manage virtualization (VMware/KVM), configure systems with Ansible/Puppet/Chef, and maintain LDAP authentication and security controls.

Qualifications

• Extensive experience with enterprise Linux distributions (RHEL/CentOS/Ubuntu/SUSE).
• Experience with LDAP/OpenLDAP and authentication services.
• Proficient with Ansible, Puppet and Chef for configuration management and automation.

Responsibilities

• Provide Level 2/3 support for complex Linux issues with 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) ensuring security compliance.
• Implement security controls (firewalls, SELinux/MAC) and automate tasks with Bash, Python or Perl.

Skills

Linux administration

VMware ESXi

KVM virtualization

Ansible

Puppet

Chef

OpenLDAP

Bash scripting

Python scripting

Security clearance

Australian citizen

Tools

HP OneView

HPE GreenLake

Kickstart

VMware ESXi/vSphere

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.

You will provide Level 2/3 support for complex Linux issues, manage virtualization (VMware/KVM), configure systems with Ansible/Puppet/Chef, and maintain LDAP authentication and security controls.