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. Leidos is a destination for people who want their work to have purpose, their contribution to be recognised, and their career to grow without needing to fit a single mould. Meaningful work is supported by benefits, flexibility and career pathways that help you grow while balancing life outside work. This includes: 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 are deepening technical expertise or preparing for leadership, we will 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 Civil Digital Modernisation business delivers IT services to Australian Federal and State Government departments and agencies to accelerate digital modernisation and ensure secure, resilient, and adaptive environments that meet evolving regulatory, compliance, and business needs. Our approach integrates advancing data, AI, cloud, and automation delivering agility, security, efficiency, and innovation at scale.

The Opportunity

The Senior Platform Engineer, Operating System SME is responsible for the implementation, sustainment, and continuous improvement of enterprise Windows Server and Red Hat Enterprise Linux Standard Operating Environments. The role works closely with Windows and Unix engineering teams to develop, test, deploy, maintain, and govern secure and supportable operating system builds. This includes operating system lifecycle planning, patching, security hardening, configuration management, automation, vulnerability remediation, monitoring, upgrades, and end‑of‑support management. The role collaborates with infrastructure, application, database, cybersecurity, architecture,



and service‑management SMEs to ensure operating system services support the end‑to‑end technical and business requirements of the customer. Lead the development, testing, implementation and maintenance of Standard Operating Environments for Microsoft Windows Server and Red Hat Enterprise Linux, including approved images, templates, configuration baselines, build procedures and lifecycle plans across physical, virtualised, private cloud, public cloud and hybrid environments. Maintain secure and supportable operating system platforms through security hardening, configuration management, patch assessment and deployment, vulnerability remediation, upgrades and end‑of‑support planning, working collaboratively with cybersecurity and platform teams to manage technical and operational risk. Coordinate with infrastructure, application, database, storage, network, backup, identity and monitoring specialists to ensure operating system builds meet compatibility, performance, security, recovery and end‑to‑end service requirements. Improve consistency and efficiency through automation of operating system provisioning, configuration, validation, patching, compliance checking, health checks and reporting, using technologies such as PowerShell, Bash, Python, Ansible, Red Hat Satellite and equivalent configuration and automation tools. Provide technical leadership for complex Windows and Red Hat incidents, root‑cause analysis, monitoring, performance and capacity management, backup and recovery, resilience, change activities and vendor escalations, while maintaining accurate SOE designs, configuration standards, lifecycle plans, support guides and operational documentation.

About You

We are looking for someone who brings judgement, curiosity and a team-oriented approach to work that ma

📌 Senior Platform Engineer, Operating System SME (Canberra)
🏢 00160 Leidos Australia
📍 Canberra