System Engineer - Windows | 6-month Fixed Term Contract

Leidos; City of Melbourne; On-site; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Flex Your Way

Wellbeing That Matters

Learn Without Limits

Work That Makes an Impact

Build Your Future

Job summary

Leidos Australia is seeking a Systems Engineer – Windows to design, build and support Windows Server infrastructure across on‑premises, hybrid and cloud environments. The role covers migrations, upgrades and transformation programs to deliver reliable enterprise services.

The position emphasizes automation with PowerShell, Active Directory, security hardening and documentation, and requires collaboration with project managers, architects and security specialists.

Qualifications

• Experience as Windows Systems Engineer or similar in enterprise-scale environments.
• Experience designing and supporting Microsoft Windows Server platforms (2016/2019/2022+).
• Knowledge of AD, DNS, DHCP, Group Policy and related Microsoft infrastructure technologies.
• Experience with Windows migrations, upgrades and transformations.
• PowerShell scripting and automation for repeatable deployments.

Responsibilities

• Design, build, configure, test and deploy Windows Server infrastructure across on‑premises, hybrid and cloud environments.
• Lead Windows Server upgrades, platform modernization and AD enhancements.
• Collaborate with project managers, architects, cybersecurity specialists and operations teams.
• Drive automation to improve operational efficiency and reliability.

Skills

Windows Server

PowerShell scripting

Active Directory

Security hardening

VMware / Hyper-V

Networking (TCP/IP)

Documentation

Tools

Azure

Terraform

Ansible

Bicep

VMware vSphere

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’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.

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 Opportunity

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.

About You

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, 2019, 2022 and newer releases.

• Knowledge of Active Directory, Group Policy, DNS, DHCP, Certificate Services, file services and related Microsoft infrastructure technologies.

• Experience delivering Windows infrastructure migrations, upgrades, deployments and transformation initiatives.

• Capability in PowerShell scripting and automation to support repeatable deployments and operational efficiency.

• Experience implementing security hardening, patch management, vulnerability remediation and secure access controls within Windows environments.

• Understanding of virtualisation technologies such as VMware and/or Microsoft Hyper‑V.

• Knowledge of TCP/IP networking concepts, enterprise infrastructure services, backup and recovery technologies, and performance troubleshooting.

• Experience producing technical documentation including solution designs, implementation plans, test plans, runbooks and operational handover documentation.

• Ability to manage competing priorities, identify technical risks and work effectively with a broad range of technical and business stakeholders.

Advantageous:

• Experience supporting Windows workloads across cloud and hybrid infrastructure environments.

• Knowledge of Microsoft Azure, including Azure Virtual Machines, networking, storage and identity services.

• Understanding of Microsoft Entra ID and hybrid identity solutions.

• Experience with Infrastructure as Code, configuration management or automation platforms such as Terraform, Ansible, Azure Automation or Bicep.

• Relevant Microsoft certifications such as Windows Server, Azure Administrator, Azure Solutions Architect or equivalent infrastructure certifications.

• Tertiary qualifications in Information Technology, Computer Science, Engineering, or a related discipline.

This role requires the successful applicant to be an Australian citizen and hold an NV‑1 security clearance.

What to Expect When You Apply

Our hiring process is designed to be straightforward, respectful and easy to navigate. If your skills, experience and qualifications look aligned with the role, our Talent Acquisition team will contact you to discuss the next stage. You can expect:

• An initial conversation with our Talent Acquisition team

• An interview with the hiring manager or interview panel

• Any role‑specific assessment, technical discussion or customer step required for the position

We’ll let you know what to expect before each stage, including who you’ll meet and how to prepare. If you need any adjustments or support during the process, please let us know.

Ready to explore what’s possible?

If this sounds like a role where you can make an impact and continue to grow, we’d like to hear from you. If you have any questions about the role or recruitment process, please contact Praveena Sundarakumar, Talent Acquisition.

If you’re looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We’re not hiring followers. We’re recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We’re already at step 30 — and moving faster than anyone else dares.