System Engineer - Windows | 6-month Fixed Term Contract

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

Benefits offered by this job

Life Days

Headspace access

MeQuilibrium

On‑demand courses

Career development

Job summary

Leidos Australia is seeking a Systems Engineer – Windows to design, build and support Windows Server infrastructures across on‑premises, hybrid and cloud environments. You will lead upgrades, modernisation and migrations while collaborating with project teams to deliver secure, reliable solutions.

The role emphasizes automation, security hardening and effective documentation to ensure smooth handover into production and ongoing support.

Qualifications

• Experience as a Windows Systems Engineer in enterprise‑scale environments.
• Experience designing, implementing and supporting Windows Server platforms.
• Knowledge of Active Directory, Group Policy, DNS, DHCP, Certificate Services, file services and related Microsoft infrastructure technologies.

Responsibilities

• Design, build, configure, test and deploy Windows Server infrastructure across on‑premises, hybrid and cloud environments.
• Lead and support infrastructure projects including Windows Server upgrades and platform modernisation.
• Collaborate with project managers, architects and support teams to deliver secure, well‑documented solutions ready for production.
• Drive automation and scripting to improve operational efficiency and reliability.

Skills

Windows Server design

Infrastructure engineering

Security hardening

PowerShell scripting

Cloud and on‑prem migrations

Documentation and handover

Tools

PowerShell

VMware

Hyper‑V

Active Directory

DNS/DHCP

Azure (basic)

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.

Description

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.

Benefits

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.

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 (but are not limited to) 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

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 at www.leidos.com/careers/pay-benefits.

Commitment to Non-Discrimination

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.

Original Posting

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.