Employment Type: Permanent
Closing Date: 29 Sept *******:59pm
Job Title: Threat Labs Specialist
Job Summary
Sitting within Telstra's Cyber Security Threat Research and Intelligence Group, this role offers the opportunity to own and evolve a specialised Threat Labs capability that supports security operations, threat research, incident response, and Cleaner Pipes activities.
You will work across Linux systems, virtualisation, distributed platforms, storage, automation, and secure networking, while partnering with internal teams, vendors, peer organisations, and local and global security communities.
Key Responsibilities
Develop, support, and maintain the Threat Labs environment, services, and systems.
Monitor system availability, functionality, and performance, and troubleshoot hardware, software, network, and distributed-system issues.
Perform routine system maintenance, patch management, and root cause analysis to keep Threat Labs services reliable and secure.
Administer user accounts, permissions, access controls, and secure remote access for Threat Labs users.
Engage vendors and technical partners as required to support platforms, services, and project delivery.
Provide technical support to teams using Threat Labs services during security incidents and operational investigations.
Develop, maintain, and improve documentation that enables repeatable and efficient Threat Labs operations.
Contribute to Threat Labs operations, projects, deliverables, and supporting Cleaner Pipes work.
Identify and implement system, tooling, automation, and process improvements that strengthen threat intelligence and security outcomes.




Maintain effective relationships with domestic and international stakeholders and response teams, keeping them informed of relevant developments.
Demonstrate visible commitment to health, safety, and environmental responsibilities within the role.
About You
You are an experienced systems administrator or security technologist who enjoys taking ownership of complex platforms and continually improving how they operate.
Prior experience administering Linux systems in an enterprise or service-provider environment.
Proficiency in Linux operating systems, virtualisation, orchestration, automation, distributed systems, and storage.
Strong troubleshooting, problem-solving, and root cause analysis skills across hardware, software, and network environments.
Scripting experience in at least one language, with the ability to understand and debug scripts.
An understanding of big data concepts and tools, particularly in environments that process large volumes of security data.
The ability to clearly document processes, technical changes, operational procedures, and incident response actions.
Excellent written and verbal communication skills, including the ability to present performance analysis and respond to stakeholder questions.




Proficiency in online research and analysis, a collaborative working style, and a willingness to learn new technologies.
A continuous-improvement mindset, including an interest in automating activities and assessing new tools.
High levels of accountability, integrity, and care when managing sensitive systems, data, and network access.
Highly desirable:
Experience with KVM.
Strong networking fundamentals.
Relevant industry certification(s).
An interest in cyber security and security operations
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📌 Threat Labs Specialist (Sydney)
🏢 Telstra Corporation
📍 Sydney