The Role
As a Linux Systems Administrator, you will play a pivotal role in ensuring that the critical capabilities used by our workforce are responsive to sensitive and time-critical mission requirements, built on technology stacks in line with industry advances and fit-for-purpose. You will also design, build, monitor and manage systems and platforms with a strong focus on agility, security, and resilience.
An example of the critical systems you could be working with and supporting includes:
Desktops
Server Infrastructure
Networking Infrastructure
High Performance Computing Infrastructure
Desktop Application Packaging
Server-hosted Enterprise Software
Information Security Systems
Database Infrastructure
Enterprise Monitoring
Key duties may include:
ASD 5 Linux Systems Administrator
Accountable under routine direction to perform and achieve moderately complex systems administration support work within an integrated workforce.
Make independent decisions relating to their area of responsibility.
Identify and contribute to business process improvement activities.
Install and de-install hardware and software.
Resolve incidents and problems using expertise in systems administration, taking the initiative to identify alternative courses of action.
Accountable under routine direction to perform and achieve moderately complex systems administration support work within an integrated workforce.
Make independent decisions relating to their area of responsibility.
Identify and contribute to business process improvement activities.
Install and de-install hardware and software.
Resolve incidents and problems using expertise in systems administration, taking the initiative to identify alternative courses of action.
ASD 6 Linux Systems Administrator
Lead automation efforts to ensure configuration reproducibility and deployment agility.
Configure and manage software (including applications and Operating Systems) to be fit for purpose, while implementing all appropriate security hardening measures for compliance to the Information Security Manual (ISM) or suitable equivalent.
Be a source of technical expertise to engage and develop junior technical staff through personable and professional knowledge transfer.
Manage systems administration projects of a technical and specialised nature.
Manage stakeholder relationships and escalated enquiries/cases and issues.
Have experience in producing highly technical systems administrator outcomes.
Have experience in managing day-to-day workflow and BAU operations.
Be able to exercise considerable degree of independence and perform a leadership role.
Produce concise technical systems documentation and knowledge artefacts supporting operational continuity.
Work independently with the opportunity for reasonable autonomy and accountability for the achievement of outcomes of their work.
Perform critical and complex engineering activities and provide advice in the field of systems engineering under limited direction.
Apply engineering knowledge and experience to identify risks, uncertainties and consider these in planning, decision-making and priority setting.
Assess technical and design packages including scoping, planning, reviewing, provide recommendations and contribute to the implementation of actions.
Further information can be found at Information and Communications Technology | Australian Signals Directorate )
About our Team
We provide an environment that encourages you to grow, innovate, and push the boundaries of your technical expertise as ASD adapts to an increasingly complex technological landscape.
With multiple System Administrator positions available, you will have the opportunity to work with leading‑edge technologies across dynamic and rapidly evolving environments. You will collaborate closely with a highly skilled and dedicated technical workforce to ensure the optimal performance, security, and integrity of ASD's systems. This includes proactively identifying and resolving technical issues, supporting mission‑critical operations, and contributing to continuous improvement across our ICT platforms.
Our Ideal Candidate
An ideal candidate can demonstrate an ability to work collaboratively to achieve results, have a demonstrated aptitude and willingness to learn, and adapt to different technologies and platforms.
We are currently seeking candidates to work under general direction to:
Show personal drive to develop and achieve their goals.
Are motivated to learn, improve and refine their skills, accepting and providing ongoing feedback.
Operate within the bounds of and have an awareness of relevant policies and legislation to their work.
Exhibit appropriate prioritisation and time management capabilities.
Build and maintain ICT infrastructure, including Linux operating system, application configuration, operating system hardening, local security configuration (e.g. firewalls, application and security policies), and network configuration.
Develop and enhance enterprise monitoring and alerting.
Manage Virtualisation/Container platforms Install and manage physical hardware including servers, storage platforms, and network devices.
ASD is seeking applicants to fill current and anticipated vacancies and to create a merit pool for future vacancies. In line with the Australian Public Service Commissioner's Direction 2022, upon completion of the recruitment activity, the merit pool will be available to locations across Australia.
Application Closing Date: Sunday 15 March 2026
For further information please review the job information pack, reference ASD/01262/26 on