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Senior Linux Technician Lead Expert | Canberra or Sydney | 12-Month Contract | NV2 RequiredWe're looking for a senior Linux engineer to join one of the more significant Defence ICT modernisation programs running in Australia right now.
This is a lead role — hands‐on technical work combined with mentoring a small team of Linux SMEs in a classified, highly regulated environment.About the role:You'll be building, hardening, and maintaining Linux systems that form part of a complex, mission‐critical ICT infrastructure.
You'll work across hyper‐converged and distributed environments, integrate applications with Linux operating systems, and develop reusable automated builds that make the team's life easier.This isn't a role where you can rely on standard playbooks and stable connectivity.
You'll be designing solutions, building POCs with system architects, and writing SOPs that others actually use.
At lead level you're also expected to mentor junior engineers and help shape how the team works.Day to day:Build, implement,



and harden Red House Enterprise Linux systems (RHEL 7–9)Develop and maintain automated build libraries using Ansible and GitLabDiagnose and resolve complex Linux SOE issues across distributed environmentsIntegrate ICT infrastructure applications with Linux operating systemsImplement security hardening in line with Defence requirements including the ISMCollaborate with system architects on POCs and solution designsWrite and peer review SOPs, build guides, and technical documentationMentor Linux SMEs and contribute to the team's overall technical capabilityYou'll need:Solid hands‐on RHEL experience across versions 7 through 9 — this is non‐negotiableWorking knowledge of Ansible, GitLab, and YUMExperience with Linux in hyper‐converged infrastructure and distributed environmentsPrevious Defence experience as a Linux technician — the environment and its constraints matter hereAbility to translate requirements and frameworks into practical solution designsStrong written communication — your SOPs need to work without you standing next to someone explaining themCurrent NV2 clearance and Australian citizenshipIt'd be a bonus if you have:Previous Defence experience — weighted heavily if you have itExperience working within a DevSecOps frameworkFamiliarity with the Australian Information Security Manual (ISM)Zero‐trust architecture experienceBackground supporting ADF deployed environments and the unique constraints that come with themThe details:12-month contract, on-siteCanberra or Sydney basedStandard business hours with occasional overtime by agreement
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📌 Senior Linux Technician Lead Expert | Canberra Or Sydney | 12-Month Contract |Nv2 Required (New South Wales)
🏢 Expert360
📍 New South Wales