Linux Systems Administrator

Life Days are the Leidos way of recognizing that we all need extra time to take care of life. By working slightly more than the minimum weekly hours (2 hours per week for full-timers), you can accrue up to 12 days of leave per year. Leidos Life Hub provides access to discount offers or cashback rewards with over 400 Australian and International retailers. We’re a ‘Family Friendly’ certified workplace – we understand the diverse roles our team members need to play within their own unique family setting and actively support them. Our team feel Leidos is a great place to work. Learn more about our culture and benefits by visiting us here Do Work That Matters Leidos Australia delivers IT and airborne solutions that protect and advance the Australian way of life. Our 2000 local experts, backed by our global experience and network of partners, are working to solve the world’s toughest challenges in government, intelligence, defence, aviation, border protection and health markets. Your New Role and Responsibilities 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. 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. Don’t worry if you don’t tick all the boxes – if you meet most of them, we encourage you to submit your application. We’re most interested in your strengths, what you want to learn and how far you want to go. 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 . Diverse Team Members, Shared Values and a Common Purpose Providing our customers with smarter solutions takes an incredible team with diversity of thought, experience and perspectives driving innovation. Inclusion is at the heart of our culture and is one of our core values. It's about creating a workplace where everyone can do important work, feels welcome, valued, and respected, and has equal access to opportunities to thrive. Paul Chase – Chief Executive, Leidos Australia. Leidos Australia is an equal opportunities organisation and is committed to creating a truly inclusive workplace. We welcome and encourage applications from Aboriginal and Torres Strait Islanders, culturally and linguistically diverse people, people with disabilities, veterans, neurodiverse people, and people of all genders, sexualities, and age groups. Our five Advocacy Groups (Women and Allies Network, Young Professionals, Defence & Emergency Services, Action for Accessibility and Abilities and Pride+) provide an opportunity for team members to connect and collaborate on shared interests, and work to support and celebrate our diverse community. 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 International Traffic in Arms Regulations (ITAR) requirements. In certain circumstances this can place limitations on persons who hold dual nationality, permanent residency or are former nationals of certain countries as per ITAR 126.1. We are committed to making our recruitment process accessible to all candidates. Please contact our Careers team if you’d like to discuss any additional support during your application or throughout the recruitment process. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. Original Posting: For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.