Linux Systems Administrator

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

Benefits offered by this job

Flexible work options

Wellbeing programs

Learning resources

Impactful work

Career development

Job summary

Leidos Australia is seeking a Linux Administrator to join the AGO GEO SPACES program and support mission-critical Linux infrastructure. You will work with seasoned engineers in a secure environment to maintain reliability and drive automation.

Responsibilities include Level 2/3 support, managing virtualization, and automating configurations with Ansible, Puppet, or Chef while enforcing security controls and compliance across enterprise systems.

Qualifications

• Experience administering enterprise Linux environments across distributions (RHEL/CentOS/Ubuntu/SUSE).
• Capability in managing user access, authentication and LDAP-based directory services (OpenLDAP).
• Experience with configuration management/automation tools: Ansible, Puppet or Chef.
• Knowledge of virtualization technologies (VMware ESXi/vSphere, KVM).
• Experience providing Level 2 or Level 3 support and troubleshooting complex infra issues.
• Experience implementing security controls, system hardening and operational compliance.
• Scripting/automation using Bash, Python, or Perl.

Responsibilities

• Provide Level 2 and Level 3 support across enterprise Linux environments, ensuring availability and reliability of systems.
• Administer and maintain virtualised and physical infrastructure, including VMware ESXi/vSphere and KVM.
• Develop, automate and standardise system configurations with Ansible, Puppet or Chef for efficiency and compliance.
• Support security and access management through authentication services and automation of routine tasks.

Skills

Enterprise Linux administrator

Linux distributions knowledge

LDAP/OpenLDAP

L2/L3 support

Security hardening

Scripting (Bash/Python/Perl)

Tools

Ansible

Puppet

Chef

VMware ESXi/vSphere

KVM

Job description

About Leidos Australia

At Leidos Australia, our work goes beyond a job title. We design, build, operate and support the systems, services and capabilities that help protect and advance the Australian way of life.

Backed by a global organisation of more than 40,000 people, our Australian team of around 2,000 has partnered with government, defence and national security customers for more than 30 years. We deliver mission-critical solutions where reliability, trust and purpose matter.

Benefits

• Flex Your Way – Tailor work to your life with options including Life Days (up to 12 extra days off per year), part-time arrangements, job sharing, and compressed hours.
• Wellbeing That Matters – Free access to Headspace and MeQuilibrium, plus dedicated wellness spaces to support your mental, physical, and emotional wellbeing.
• Learn Without Limits – Access over 120,000 on-demand courses, alongside technical, project management, leadership, and professional development opportunities.
• Work That Makes an Impact – Contribute to nationally significant projects that matter, solve complex challenges, and accelerate your career through unique growth opportunities.
• Build Your Future – Whether you're deepening technical expertise or preparing for leadership, we'll invest in your development every step of the way.
• And Much More – These are just a few of the ways we invest in our people and help them thrive.

About The Team

You’ll join a team where people work with integrity, inclusion, innovation, agility, collaboration and commitment. In practice, that means sharing ownership, solving complex problems together and staying connected to the customer context, the purpose behind the work and how each role contributes to meaningful outcomes.

The Mission Software Solutions business delivers customized and off-the-shelf software solutions to Defence, Intelligence and other Government sectors. The business also builds capabilities that can be used for a wide range of applications in both traditional and non-traditional environments; providing leadership in the advancement of technological modernisation of complex enterprises within Government.

The Opportunity

Join Leidos Australia’s AGO GEO SPACES program and contribute to the delivery of advanced national security capabilities in a highly secure, mission-critical environment. As a Linux Administrator, you will play a key role in maintaining and enhancing the Linux infrastructure that supports essential operational outcomes, working alongside experienced engineers and technology specialists.

• Provide Level 2 and Level 3 support across enterprise Linux environments, ensuring the availability, performance and reliability of critical systems and services.
• Administer and maintain virtualised and physical infrastructure, including VMware, KVM, HP OneView and GreenLake platforms, while supporting ongoing system optimisation and lifecycle activities.
• Develop, automate and standardise system configurations using tools such as Ansible, Puppet and Chef, with a focus on operational efficiency, consistency and compliance.
• Support security and access management requirements through the administration of authentication services, implementation of security controls and automation of routine administration tasks using scripting technologies.

About You

You are a Linux systems professional who enjoys solving complex technical challenges and working within a secure, high-assurance environment. You bring experience across enterprise infrastructure technologies and are committed to maintaining stable, secure and well-managed platforms that enable critical business and operational outcomes.

Essential

• Experience administering enterprise Linux environments, including distributions such as RHEL, CentOS, Ubuntu and SUSE.
• Capability in managing user access, authentication and directory services, including LDAP-based solutions such as OpenLDAP.
• Experience with configuration management and automation tools including Ansible, Puppet or Chef.
• Knowledge of virtualisation technologies, including VMware ESXi/vSphere, KVM or similar platforms.
• Experience providing Level 2 and/or Level 3 support, with the ability to troubleshoot and resolve complex infrastructure issues.
• Experience implementing and maintaining security controls, system hardening practices and operational compliance requirements.
• Capability in scripting and automation using Bash, Python, Perl or similar technologies.

Advantageous

• Experience supporting large-scale, mission-critical or highly regulated environments.
• Familiarity with Kickstart or similar operating system deployment and Standard Operating Environment (SOE) management practices.
• Exposure to HP OneView, GreenLake or comparable enterprise infrastructure management platforms.

Due to the nature of this role, you must be an Australian Citizen and hold an active TSPV security clearance, with the ability to be successful for a DISA/OSA.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

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.