Security Applications and Systems Engineer
Contract Type: Full Time
Location: Canberra - Australian Capital Territory
Federal Government ClientCanberra, ACT (Onsite)NV1 Clearance Required
Job DetailsThis role supports and maintains the ESS ICT applications, systems and environment for physical security capabilities.
Key Duties
* Design, deploy, maintain, and support mission‐critical applications and infrastructure, including systems supporting PSIM, EACS, CCTV/VMS, and intercom platforms, ensuring availability, resilience, and security.
* Provide proactive and reactive support for 24x7 operational systems, including operating systems, middleware, applications, and databases. Plan and implement upgrades, patching, firmware updates, and configuration changes to minimise service disruption.
* Support multi‐tier application architectures and design, implement, and maintain system integrations using APIs, event‐driven and vendor‐specific mechanisms. Support hardware‐to‐software connectivity for field devices and edge systems.
* Administer application databases, including backup, recovery, replication, and disaster recovery arrangements. Monitor and tune database performance and undertake capacity planning for critical workloads.
* Monitor application and infrastructure health using enterprise tools. Analyse system logs and metrics to triage and resolve incidents, conduct root‐cause analysis, and implement corrective and preventative actions.
* Apply secure configuration, hardening, and patching practices to meet security, audit, and compliance requirements. Maintain technical documentation and standards, and provide specialist technical advice to support system design, evaluation, and operational risk management.
* Participate in a seven‐day on‐call roster at a frequency of approximately every four to six weeks.
Requirements
* Strong experience designing, implementing, and supporting system integrations, including APIs, event driven or near real time interfaces, and hardware to software connectivity with edge devices and security field equipment.
* Proven capability in application architecture, database administration, and underlying infrastructure (operating systems, middleware, compute, storage), including backup, recovery, patching, and performance optimisation.
* Demonstrated experience with, or the ability to rapidly transition into, electronic security systems, such as PSIM, EACS, CCTV/Video Management Systems, and intercom platforms, including their application and infrastructure dependencies.
Calleo is an equal opportunity employer and we encourage applications from all people including Aboriginal and Torres Strait Islander peoples.
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