Profectus is seeking experienced Linux Systems Administrators to support the delivery and sustainment of secure ICT environments within Defence. You will be responsible for the design, configuration, documentation, operation, and support of Red Hat Enterprise Linux (RHEL) systems, working alongside peers of differing specialisation within a wider systems team. It is a hands-on role in a highly secure workplace where reliability, security, and performance matter.
Key ResponsibilitiesDeploy, support, and maintain RHEL components across physical and virtual infrastructureManage and document the configuration of RHEL systems to defined baselinesManage virtualisation tools such as VMware and configure virtual machines supporting critical applicationsTroubleshoot diverse and complex faults, engaging constructively with peer teams to reach resolutionContribute technical designs and content to knowledge repositories and provide input to policy, process, and proceduresApply ITIL Service Management principles under direction, including participation in Change Advisory Boards (CAB), implementation of approved changes, and use of service management toolsets for tasking and schedulingProvide platform deployment and support to designated activities, which may include planning, out of hours support, and some shift workHandle classified information in accordance with Commonwealth policy, including the Defence Security Principles Framework (DSPF) and the Australian Government Information Security Manual (ISM)Protect Commonwealth Intellectual Property and uphold Defence international obligations, including Foreign Military Sales (FMS) and International Traffic in Arms Regulations (ITAR) requirementsWork closely with other technical teams and, where directed,



contribute to cross-skill, cross-functional, or project teamsProvide team leader functions where required at Commonwealth direction
Required ExperienceRed Hat Certified System Administrator (RHCSA) certification, or a tertiary degree or vocational qualification in a closely related discipline5+ years of industry experience in systems administration, relevant military experience, or a combination of the twoProven expertise administering RHEL, including system configuration and support across development and production environmentsAn unrestricted ability to deploy to Australian Defence Force (ADF) military installations in support of designated activitiesSolid understanding of virtualisation technologies such as VMwareDemonstrated ability to communicate effectively with technical peers and frontline IT leadershipAbility to operate effectively both independently and within integrated Defence teams
Desirable ExperienceITIL certificationKnowledge of storage and backup architecture and managementExperience with VMware, ServiceNow, and CrowdStrike Falcon LogScale Exposure to Windows environments alongside Linux Experience working within Defence environments or on nationally significant programs
Security ClearanceMust be an Australian CitizenMust have a current AGSVA NV1 Security ClearanceNV2 Security Clearance is preferred
Working ArrangementsOnsiteCanberra, ACTSome travel may be required as part of this engagement
Why ProfectusProfectus partners with Government and industry organisations to deliver trusted cyber, ICT, and digital capability across complex and highly regulated environments. We take a relationship-driven approach and support our consultants throughout the lifecycle of their engagement.

📌 System Administrator (Canberra)
🏢 Profectus
📍 Canberra