Senior System Administrator (PROJ-4849)

Canberra
2 November 2026
PV
Application ends: 19 November 2026
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Deadline date:
19 November 2026
$160 - $185

Job Description

Remote is seeking an experienced Systems Administrator to join a team at ASD, supporting the delivery and ongoing management of mission-critical ICT capabilities within a highly secure environment. Operating at an EL1-equivalent level, the role will provide senior systems administration expertise across complex ICT systems and projects, with responsibility for installation, deployment, configuration, monitoring and ongoing maintenance.

Working under broad direction, the successful candidate will provide technical leadership, manage specialised systems administration activities and BAU operations, identify and manage technical risks, and produce high-quality technical documentation to support operational continuity. Strong experience across Linux environments, configuration management, enterprise platforms, scripting, networking and monitoring will be essential. (LH-08404)

Role Description

Key duties and responsibilities

  • Manage systems administration projects of a technical and specialised nature.

  • Produce highly technical systems administrator outcomes.

  • Manage day-to-day workflow and BAU operations.

  • 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.

  • Provide technical leadership to independently deliver systems administration solutions.

  • Perform critical and complex administration activities and provide advice in the field of systems administration under limited direction.

  • Apply systems administration 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.

Technical Skills Required
At least 5 years’ experience in:

  • Management of Linux operating systems (RHEL, Debian, Ubuntu)

  • Configuration management using Ansible

  • Infrastructure management for enterprise software platforms, including platform lifecycle management

  • Scripting technologies (Bash scripting)

  • Networking technologies

  • Enterprise monitoring (Splunk, Grafana, Prometheus, Xymon, etc.)

Desirable

  • DevOps practices including automation with application of Infrastructure as Code, including containerization (Podman, Docker, etc.)

  • Virtualisation solutions (VMWare, etc.)

  • Databases and data warehousing (SQL, Redis, Postgres, etc.)

  • Server-hosted enterprise software configuration and deployment

Essential criteria

  • Demonstrated experience managing Linux operating systems (RHEL, Debian, Ubuntu)

  • Demonstrated experience in configuration management using Ansible

  • Demonstrated experience in infrastructure management for enterprise software platforms, including platform lifecycle management

  • Demonstrated experience with scripting technologies (Bash scripting)

  • Demonstrated experience with networking technologies

  • Demonstrated experience in enterprise monitoring (Splunk, Grafana, Prometheus, Xymon, etc.)

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