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From the employer's careers site First seen 1 Nov 2026

Windows Administrator

Leidos Australia senior full-time

The employer hasn't listed a salary.

Apply on Leidos Australia

Description

At Leidos Australia, you'll join a team where people work with integrity, inclusion, innovation, agility, collaboration, and commitment. As a Windows Administrator within the AGO GEO SPACES program, you'll play a key role in supporting advanced national security capabilities through the delivery and maintenance of secure, high-availability infrastructure.

Responsibilities:

  • Provide Level 2 and Level 3 support for complex Microsoft Windows infrastructure, resolving incidents and maintaining the performance and availability of mission-critical systems.
  • Administer and optimise Windows Server environments, Active Directory, Group Policy, and VMware platforms to support secure and reliable service delivery.
  • Manage the development, packaging, deployment, and lifecycle management of applications and Standard Operating Environments (SOE) using MECM.
  • Support and maintain physical and virtual infrastructure, including HP OneView and GreenLake platforms, while working within established security frameworks and compliance requirements.

Benefits:

  • 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.

Requirements:

  • Experience administering Microsoft Windows Server environments, including Server 2016, 2019, and 2022.
  • Capability in Active Directory, Group Policy administration, and identity and access management practices.
  • Experience with MECM application packaging, deployment, and SOE lifecycle management.
  • Knowledge of VMware virtual infrastructure administration and support.
  • Demonstrated experience providing Level 2 and Level 3 incident response and troubleshooting within enterprise environments.
  • Ability to work effectively within structured security and compliance frameworks.

Preferred skills and experience:

  • Experience supporting HP OneView and GreenLake infrastructure platforms.
  • Exposure to highly regulated, government, defence, or national security environments.
  • Familiarity with infrastructure hardening, system security controls, and operational support within classified environments.

Skills

Required

Nice to have

  • HP OneView
  • GreenLake
  • infrastructure hardening
  • system security controls
Apply on Leidos Australia