Senior Platform Engineer, Operating System SME

00160 LEIDOS AUSTRALIA PTY LTD.; North Canberra; On-site; AUD 140,000 - 180,000; Full time

Benefits offered by this job

Health and wellness programs

Paid leave

Retirement planning

Job summary

Leidos Australia seeks a Senior Platform Engineer (OS SME) to lead the implementation, sustainment and improvement of enterprise Windows Server and Red Hat Enterprise Linux Standard Operating Environments. You will work with Windows and Unix teams to develop, test, deploy and govern secure OS builds across on‑prem, private and public cloud environments.

You will drive automation of provisioning, patching and configuration management using PowerShell, Bash, Python and Ansible, and provide

Qualifications

• Experience implementing enterprise Microsoft Windows Server and Red Hat Enterprise Linux environments.
• Developing, testing, deploying and governing Standard Operating Environments (SOEs).
• Leading complex operating system engineering activities and coordinating cross‑functional teams.
• Australian citizenship and ability to maintain NV‑1 security clearance.

Responsibilities

• Implement, sustain and improve enterprise Windows Server and RHEL SOEs.
• Collaborate with Windows/Unix teams on builds, lifecycle plans and governance.
• Automate OS provisioning, patching, security baselining and configuration management using PowerShell, Bash, Python and Ansible.
• Provide technical leadership for OS incidents, troubleshooting, RCA and capacity management.

Skills

Windows Server

Red Hat Enterprise Linux

PowerShell

Bash

Python

Ansible

Security hardening

Troubleshooting

Tools

VMware

Azure

AWS

Red Hat Satellite

Ansible AWX

Job description

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 collaborative approach to work that matters. You have experience implementing, maintaining and supporting enterprise Microsoft Windows Server and Red Hat Enterprise Linux environments, including developing, testing, deploying and governing Standard Operating Environments and managing their upgrade, maintenance and end‑of‑support lifecycle. You bring practical Windows Server capability across areas such as Group Policy, Active Directory integration, PowerShell, patching, security baselines, event logging and performance monitoring, alongside Red Hat Enterprise Linux experience including package and repository management, systemd, SELinux, identity integration, shell scripting, patching and logging. You understand operating system security hardening, vulnerability remediation, privileged access, identity and access management and secure configuration, together with the relationships between operating systems and compute, storage, networking, backup, virtualisation, applications, databases, monitoring and security services. You have experience automating operating system management using tools such as PowerShell, Bash, Python, Ansible, Red Hat Satellite or Azure Automation, and supporting Windows or Red Hat workloads hosted on VMware, Microsoft Azure, Amazon Web Services, private cloud or comparable enterprise platforms. You can lead complex operating system engineering activities while working inclusively with Windows, Unix, infrastructure, application, database, cybersecurity, architecture, vendor and service‑management teams, bringing structured troubleshooting, clear communication, strong documentation and thoughtful planning and prioritisation. This role requires the successful applicant to be an Australian citizen, hold and be able to maintain a NV‑1 security clearance.

Pay Range

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 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.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

If you have any questions about the role or recruitment process, please contact [e-mail].