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Windows Administrator

Canberra, Australian Capital Territory💼 Full-time🗓 2026-09-17 → 2026-09-29

Core

Provide Level 2 and Level 3 support for complex Microsoft Windows infrastructure, ensuring mission-critical systems remain reliable, secure, and operational in a highly regulated environment.

Role type

Senior Windows Systems Administrator

Builds

Secure, high-availability infrastructure for Defence, Intelligence, and Government sectors

Domain

National Security / Defence / Government IT

Required skills

Microsoft Windows Server administration (2016, 2019, 2022), Active Directory, Group Policy, MECM application packaging and deployment, VMware virtual infrastructure, Level 2/3 incident response and troubleshooting

Preferred skills

HP OneView and GreenLake platform support, experience in classified or national security environments, infrastructure hardening

Technologies

Windows Server, Active Directory, Group Policy, MECM, VMware, HP OneView, GreenLake

Responsibilities

Resolve incidents and maintain performance of mission-critical Windows systems; Administer and optimise Windows Server environments, Active Directory, Group Policy, and VMware platforms; Manage development, packaging, deployment, and lifecycle management of applications and Standard Operating Environments (SOE) using MECM; Support and maintain physical and virtual infrastructure within established security frameworks

Seniority

Senior, hands-on IC

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