Systems Engineer (Threat Labs)

Type Permanent Closing Date 6 Nov 2026 11:59pm Job Title Systems Engineer (Threat Labs) Job Summary The Opportunity 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.

Responsibilities

• 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.

Requirements

• 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.

Preferred

• Experience with KVM. • Strong networking fundamentals. • Relevant industry certification(s). • An interest in cyber security and security operations