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.
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