Senior Windows Engineer

Leidos; Canberra; On-site; AUD 120,000 - 170,000; Full time

Benefits offered by this job

Health and Wellness programs

Paid Leave

Retirement plan

Job summary

Leidos Australia is seeking a Senior Windows Engineer to maintain and evolve enterprise Windows infrastructure, spanning on-premises and hybrid cloud. You will collaborate across infrastructure, security, network, architecture, and applications teams to deliver reliable, secure services in Canberra.

The role requires deep expertise in Windows Server, AD, PowerShell automation, and security hardening, with a focus on high availability, incident response, and risk management.

Qualifications

• Significant experience in Windows Server engineering, systems administration, or enterprise infrastructure operations.
• Advanced knowledge of Windows Server, AD DS, DNS, DHCP, TCP/IP, and authentication services.
• Experience administering enterprise-scale Windows environments, including patching, certificates, permissions, and configuration management.
• Advanced PowerShell automation and scripting for operational efficiency.
• Experience with Windows security hardening, vulnerability remediation, access management, and compliance controls.
• Experience supporting high-availability environments, disaster recovery, backup and monitoring.

Responsibilities

• Lead the administration, optimisation, and continuous improvement of enterprise Windows Server environments.
• Contribute to infrastructure modernisation, cloud adoption, automation, and technology refresh initiatives.
• Drive security and compliance outcomes through system hardening and patch management.
• Provide senior technical expertise for complex incidents, root-cause analysis, and mentoring engineers.

Skills

Windows Server

Active Directory

PowerShell

Security hardening

Incident response

Networking

Education

Bachelor's degree in IT or related field

Tools

Azure

Terraform

ARM/Bicep

Ansible

SCCM

Job description

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 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

This is an opportunity to play a key role in maintaining and evolving critical enterprise Windows infrastructure that underpins business operations and customer services. As a Senior Windows Engineer, you will work across modern on-premises and hybrid cloud environments, partnering with infrastructure, security, network, architecture, and application teams to deliver reliable, secure, and scalable technology services.

• Lead the administration, optimisation, and continuous improvement of enterprise Windows Server environments, ensuring high levels of availability, performance, resilience, and operational supportability.
• Contribute to the delivery of infrastructure modernisation, cloud adoption, automation, and technology refresh initiatives, helping to reduce operational complexity and improve service outcomes across the organisation.
• Drive security and compliance outcomes through system hardening, vulnerability remediation, patch management, identity and access controls, and the implementation of operational best practices.
• Provide senior technical expertise for complex incidents, root-cause analysis, and infrastructure challenges while mentoring engineers and sharing knowledge across multidisciplinary technology teams.

About You

You are an experienced infrastructure professional who enjoys solving complex technical challenges and improving the reliability, security, and efficiency of enterprise platforms. You bring a collaborative approach to working with a diverse range of stakeholders and are motivated by delivering practical technology outcomes in large-scale environments.

Essential

• Significant experience in Windows Server engineering, systems administration, or enterprise infrastructure operations.
• Advanced knowledge of Microsoft Windows Server, Active Directory Domain Services, Group Policy, DNS, DHCP, TCP/IP, and authentication services.
• Experience administering enterprise-scale Windows environments, including server lifecycle management, patching, certificates, permissions, and configuration management.
• Advanced capability in PowerShell automation and scripting, with experience improving operational efficiency through automation and repeatable processes.
• Experience with Windows security hardening, vulnerability remediation, access management, compliance controls, and operational risk management.
• Experience supporting high-availability environments, disaster recovery readiness, backup and recovery solutions, and performance monitoring.
• Ability to troubleshoot and resolve complex infrastructure, networking, application hosting, and operating system issues across multiple technology domains.
• Well-developed communication skills with the ability to collaborate effectively across infrastructure, cybersecurity, architecture, service management, and delivery teams.

Advantageous

• Experience supporting Windows workloads within hybrid and cloud-based environments.
• Knowledge of Microsoft Azure, including Azure Virtual Machines, networking, storage, identity services, Azure Monitor, and Log Analytics.
• Experience with Microsoft Entra ID and hybrid identity solutions.
• Familiarity with Infrastructure as Code and configuration management tools such as Terraform, ARM/Bicep, Ansible, or Azure Automation.
• Experience with Microsoft IIS, enterprise application hosting, SCCM/Microsoft Endpoint Configuration Manager, and modern observability platforms.
• Experience mentoring engineers and contributing to technical standards, documentation, and knowledge-sharing initiatives.

This role requires the successful applicant to hold a NV-1 Security Clearance.

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.

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.

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.