The Role
The TA Branch is looking for a Systems Administrator to join the technical evolution and sustainment of critical capability providing cryptographic support to whole of Government, including to the Australian Defence Force and its operations.
This opportunity will suit Systems Administrators interested in enhancing their career opportunities and expanding their skills across a wide range of technologies.
As a Systems Administrator in TA Branch, you will work alongside a highly committed technical workforce required to transition new capability into operation and ensure ongoing sustainment of this capability. You will also assist in the decommissioning of legacy capability and contribute to the enhancement of existing bespoke capability.
This role provides a unique environment in assisting ASD to meet one of its core functions and your work will require that you:
* Maintain and support systems, software, databases and associated hardware.
* Demonstrate familiarity to system orchestration tools such as Ansible/Salt or familiarity with system automation via scripts in Linux (Red Hat) / Windows environment.
* Install and sustain new capability and assist in its transition to operations.
* Assist in the enhancement of bespoke capability.
* Collaborate in problem solving and leverage this to achieve outcomes.
* Apply experience and knowledge across a breadth of hardware and software solutions.
* Grow an understanding of cryptography and IT security.
* Be flexible to evolve operational approaches whilst ensuring a strong security culture.
All team members are supported in ongoing professional development and training, and provided opportunities to develop skillsets to keep pace with evolving priorities and technological advancements. Successful applicants may also have opportunities to travel domestically and internationally.
About the Team
ASD's Trust & Assurance Branch within Cyber Security Division, ACSC Group, oversees and delivers security assurance functions for Australia's most classified Government systems. Our work is comprised of classified security assurance, protect oriented services and technical advice, driven by threat intelligence, framed by the Australian Protective Security Policy Framework and Information Security Manual. This Branch also develops and sustains unique ICT infrastructure critical to the delivery of the ASD mission.
Trust and Assurance Branch seek candidates who are interested in System Administrator positions, across a variety of operating systems, virtualisation, networking and database technologies. This team operates in a highly collaborative and multi-disciplinary environment, with a diverse range of backgrounds and skillsets. They tackle complex technical tasks, leverage internal knowledge and skills, as well as the expertise of subject matter specialists around them.
Our Ideal Candidate
At ASD, we pride ourselves on being motivated and critical thinkers. You will be the right fit for the role if you thrive in collaborative, strategic work environments, and enjoy the challenge of adapting and upskilling to meet the demands of an evolving cyber threat landscape.
The ideal candidate will also:
* Be able to embrace change, adapt and upskill in emerging technologies quickly.
* Have the ability to think creatively and the determination to find solutions for incredibly difficult problems.
* Value working collaboratively and supporting your colleagues to solve problems and achieve objectives.
* Operate as an effective member of the team, maintaining an awareness of different working styles, supporting the contribution of others.
* Take personal responsibility for accurate completion of work, showing initiative and seeking guidance when required.
* Have high personal integrity required to hold a security clearance.
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 14 September, 2025
For further information please review the job information pack, reference ASD/02820/25 on Careers | Australian Signals Directorate.
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