System Administrator - TSPV Cleared - Canberra

We are seeking a System Administrator to support a highly secure Government program in Canberra.

This role requires a hands-on technical practitioner who is comfortable operating across complex environments and trusted to work autonomously in high-security contexts.

You will play a critical role ensuring the stability, integrity and performance of infrastructure supporting nationally significant outcomes.

This is an opportunity for a strong generalist who enjoys working across the full stack – from operating systems and infrastructure through to troubleshooting complex technical issues end-to-end.

Key responsibilities

You will be responsible for the technical operation, sustainment and continuous improvement of secure environments, including:

• Administration of Linux and Windows systems.
• Managing servers, applications and databases.
• Supporting virtualised infrastructure.
• Troubleshooting issues across OS, infrastructure and application layers.
• Supporting networking and connectivity components (foundational level).
• Supporting identity and access management (foundational level).
• Developing and maintaining automation scripts.
• Producing and maintaining technical documentation.
• Ensuring systems operate reliably within secure environments.

About you

You are a trusted technical professional who can operate confidently in sensitive environments and take ownership of outcomes.

You bring:

• Strong experience as a Systems Administrator generalist.
• Hands‑on expertise across Linux and Windows environments.
• Experience working across servers, operating systems, virtualisation and infrastructure layers.
• Ability to troubleshoot complex technical issues end-to-end.
• Experience working in Defence, National Security or highly regulated Government environments.
• Ability to work independently with minimal supervision.Strong judgement and professionalism in high-security contexts.
• Active TSPV clearance (or recently lapsed and able to be reactivated).

Why this role?

This opportunity offers:

• Work within a high-trust Government environment.
• Technically engaging systems work across multiple layers.
• A role suited to professionals who enjoy autonomy and responsibility.
• Immediate start available for cleared candidates.
• Opportunity to contribute to systems supporting critical national capabilities.

Due to the secure nature of this work, only candidates holding an active or reactivatable TSPV clearance can be considered.

#J-18808-Ljbffr