Systems Administrator

Systems Administrator – BAE Systems Australia Overview At BAE Systems Australia, we drive innovation in defence and space manufacturing, delivering projects of global and national significance that help keep Australia safe. Do interesting work that matters Enjoy what you do Grow your career Be yourself We work in a thriving sector, pushing boundaries daily to produce some of the world’s most innovative and groundbreaking technology. Individually we all contribute to our success and collectively we make the impossible possible. About the Opportunity As a Systems Administrator within Infrastructure Operations – Enterprise Services, your day-to-day will involve keeping infrastructure healthy and drama‑free: maintaining and updating custom images, applying patches, performing firmware updates, managing an on‑prem domain and ensuring everything runs smoothly behind the scenes. You will provide on‑prem infrastructure requirements to our customer and business projects. This position can be based out of our Adelaide or Melbourne office with flexible hybrid work arrangements on offer. Principal Accountabilities Administer Linux systems (RHEL/OEL/Ubuntu) Manage and troubleshoot on‑prem Linux fleet with an infrastructure management solution such as Satellite or equivalent Automate everything: PowerShell, Bash, Ansible, Terraform Contribute to security assessments and implement necessary security measures, ensuring compliance with industry standards and regulations Build RHEL servers for ongoing business & project requirements, primarily utilising the company’s virtualisation platforms Work within a support‑focused team stream Administer monitoring systems such as Zabbix, Dynatrace Administer similar systems in classified & air‑gapped networks Experience in Oracle Enterprise Linux, Exadata platforms, OLVM/Oracle KVM environments is an advantage Work in a dynamic, multi‑faceted team with opportunities to administer Windows‑based & database (SQL/Oracle) systems About You You’re a Systems Administrator at heart, skilled with Linux technologies, patching, image management and firmware. You enjoy keeping systems rock solid, and you bring hands‑on skills and problem‑solving smarts, alongside automation expertise with PowerShell, Bash, Ansible or Terraform. You work well across teams, share knowledge and roll up your sleeves for BAU support. You care about keeping infrastructure secure, stable and future‑ready. If you don’t tick every box but are excited about the role, we’d still love to hear from you. About Us Our workplace truly cares about your well‑being. We celebrate diversity, fostering an inclusive culture where everyone can bring their best selves. As Australia’s largest defence company, you’ll be connected to a global team and encouraged to explore your career path, whether traditional or unconventional. We proudly support veteran communities, invite Aboriginal and Torres Strait Islander applicants, and have been recognised as an employer of choice for women by WORK180. We are a member of the Circle Back Initiative, committing to respond to every applicant. Benefits & Clearances To learn more about our competitive employee benefits, flexibility and other employment opportunities, please visit: Clearances: As a Defence role, a security clearance is required. Applicants must be Australian citizens and either possess or be eligible to obtain and maintain appropriate clearances. Seniority Level Entry level Employment Type Full‑time Job Function Information Technology Industry Defense and Space Manufacturing EEO Statement We welcome applicants from all people regardless of sex, gender identity, race, ethnicity, disability, pregnancy, age or other lived experience; and strongly encourage applications from Aboriginal and Torres Strait Islander people for all positions. #J-18808-Ljbffr