Security-Cleared Windows Systems Administrator

Leidos; City of Melbourne; On-site; AUD 110,000 - 160,000; Full time

Job summary

Leidos Australia is seeking a Windows Administrator for the AGO GEO SPACES program to support secure, high‑availability infrastructure. You’ll work with a team of specialists to ensure critical systems remain reliable and compliant in a highly regulated environment.

You will provide Level 2/3 support for Windows Server, Active Directory, Group Policy and MECM, while maintaining HP OneView/GreenLake platforms and strong security practices.

Qualifications

• Experience administering Microsoft Windows Server environments (Server 2016/2019/2022).
• Capability in Active Directory, Group Policy and identity management practices.
• Experience with MECM packaging, deployment and SOE lifecycle management.
• Knowledge of VMware virtual infrastructure administration and support.
• Proven incident response and troubleshooting in enterprise settings.
• Ability to operate within structured security and compliance frameworks.

Responsibilities

• Provide Level 2 and Level 3 support for complex Windows infrastructure and incidents.
• Administer and optimise Windows Server environments, AD, Group Policy and VMware platforms.
• Manage development, packaging, deployment and lifecycle of applications and SOE using MECM.
• Support physical and virtual infrastructure including HP OneView and GreenLake within security controls.

Skills

Windows Server

Active Directory

Group Policy

Incident response

Tools

MECM

VMware

HP OneView

GreenLake

Job description

Leidos Australia is seeking a Windows Administrator for the AGO GEO SPACES program to support secure, high‑availability infrastructure. You’ll work with a team of specialists to ensure critical systems remain reliable and compliant in a highly regulated environment.

You will provide Level 2/3 support for Windows Server, Active Directory, Group Policy and MECM, while maintaining HP OneView/GreenLake platforms and strong security practices.