Senior Systems Engineers – Infrastructure | Australian Signals DirectorateRate Guide: $145–$175 per hourWorking Arrangements: Onsite – up to 40 hours per weekContract Duration: 12 months + 2 × 12-month extension optionsExpected Start Date: 1 February 2027Security Clearance: Active TSPV (mandatory)Experience Level: Senior / EL1 EquivalentApplications Close: 19 October 2026About the Opportunity

Babylon Data is seeking three experienced Senior Systems Engineers – Infrastructure to support the Australian Signals Directorate (ASD), within the Department of Defence portfolio.

This opportunity involves supporting critical Australian Government infrastructure, contributing to the design, implementation, availability and ongoing improvement of complex enterprise systems.

Successful candidates will bring strong technical expertise in UNIX-based environments, infrastructure operations, systems design and automation, along with the ability to lead technical activities and collaborate with stakeholders in a secure environment.

Key Responsibilities

- Design, implement, maintain and improve complex enterprise infrastructure systems.
- Manage system availability, performance, resilience and disaster recovery capabilities.
- Install, configure and troubleshoot UNIX-based infrastructure environments.
- Plan and execute infrastructure upgrades, installations and decommissioning activities.
- Develop and maintain operational procedures, technical documentation and quality standards.
- Implement infrastructure automation using scripting and management tools.
- Investigate infrastructure incidents, performance issues and service availability breaches.
- Evaluate system designs, identify technical risks and recommend improvements.
- Coordinate technical activities, manage priorities and mentor less experienced engineers.




- Work collaboratively with technical teams and stakeholders to deliver reliable and secure infrastructure services.
- Availability Management (SFIA Level 5): Experience managing system and service availability, investigating outages, implementing remediation and developing disaster recovery arrangements.
- IT Infrastructure (SFIA Level 4): Strong experience managing enterprise infrastructure, implementing upgrades, troubleshooting operational issues and automating infrastructure activities.
- Systems Design (SFIA Level 5): Demonstrated ability to design complex systems, evaluate design options, assess risks and balance functional and non-functional requirements.
- Systems Installation and Removal (SFIA Level 5): Experience leading system installations, migrations or decommissioning activities, including planning, stakeholder coordination and quality assurance.

Candidates must also hold an active TSPV security clearance at the time of submission.

Technical Skills

We are particularly interested in candidates with:

- Solid UNIX/Linux infrastructure administration and troubleshooting experience.
- Experience with scripting, programming and infrastructure automation.
- Experience monitoring and optimising enterprise infrastructure performance.
- Understanding of cloud platforms and hybrid infrastructure environments.
- Experience with infrastructure lifecycle management, system upgrades and disaster recovery.
- A bachelor's degree in Computer Science, IT, Software Engineering, Mechanical Engineering or a related discipline.
- Strong technical documentation, stakeholder engagement and leadership capabilities.

Additional Information

Candidates must be available to work onsite in Canberra.

Successful candidates will be required to complete ASD's Organisation Suitability Assessment (OSA) prior to commencement.

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📌 Senior Systems Engineers – Infrastructure ASD (Canberra)
🏢 Babylon Data
📍 Canberra