System Engineer - Windows | 6-month Fixed Term Contract

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're deepening technical expertise or preparing for leadership, we'll 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.

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.

This is an opportunity to play a key role in delivering critical Windows infrastructure projects that support the stability, security, and modernisation of enterprise technology environments. As a Systems Engineer – Windows, you will work across migrations, upgrades, cloud adoption initiatives, and infrastructure transformation programs, helping to design and implement reliable solutions that enable business outcomes. Design, build, configure, test and deploy Windows Server infrastructure solutions across on-premises, hybrid and cloud environments, ensuring alignment with enterprise architecture, security requirements and operational standards. Lead and support infrastructure projects including Windows Server upgrades, platform modernisation, Active Directory enhancements, application migrations, and data centre transformation initiatives. Collaborate with project managers, architects, cybersecurity specialists, vendors and operational support teams to deliver secure, supportable and well-documented solutions that are ready for transition into production. Drive continuous improvement through automation, scripting and modern infrastructure practices, helping to improve operational efficiency, reduce risk and enhance the reliability of enterprise services.

We're looking for a technically capable infrastructure professional who enjoys solving complex challenges, delivering quality outcomes and working collaboratively across project and operational teams. You bring a practical approach to engineering, a focus on security and reliability, and the ability to translate technical requirements into effective solutions. Essential: Experience as a Windows Systems Engineer, Infrastructure Engineer or similar role supporting enterprise-scale environments. Experience designing, implementing and supporting Microsoft Windows Server platforms including Windows Server 2016,