Systems Security & IT Engineer

Join a Team That Keeps Critical Services Running We're looking for a Systems, Security & IT Engineer to join our Operational Command Centre, where you'll play a key role in maintaining the performance, security, and reliability of critical technology services. This is an exciting opportunity for a technically capable engineer who enjoys solving complex problems, responding to incidents, and working across infrastructure, cyber security, cloud technologies, and operational support. You'll be part of a highly collaborative team responsible for supporting business-critical systems and ensuring services remain available, secure, and resilient around the clock. Australian Citizenship is mandatory as part of the criteria for NV1 clearance. You must fit all the criteria be eligible for NV1 clearance. This position operates within a 24x7 Operational Command Centre and requires participation in a rotating shift roster, including nights, weekends, and public holidays.   What You'll Be Doing As a Systems, Security & IT Engineer, you will: Monitor and support critical IT infrastructure, systems, and operational platforms. Investigate, troubleshoot, and resolve infrastructure, application, and service incidents. Support system availability, performance, and operational resilience across enterprise environments. Monitor and respond to cyber security alerts, incidents, and vulnerabilities. Assist with server, cloud, virtualisation, storage, and endpoint management technologies. Participate in change implementation, maintenance activities, and technology upgrades. Support major incident management and service restoration activities. Maintain operational documentation, technical procedures, and system records. Contribute to continuous improvement initiatives, automation opportunities, and operational excellence programs. Work closely with Engineering, Cyber Security, Service Delivery, Vendors, and Operational teams to deliver secure and reliable services.   About You You are a proactive and analytical technology professional who thrives in a fast-paced operational environment. You enjoy identifying root causes, solving technical challenges, and contributing to secure and high-performing technology services.   You'll Bring Experience in Systems Administration, Infrastructure Support, IT Operations, Cyber Security, or a similar technical role. Strong troubleshooting, incident management, and problem-solving skills across enterprise technology environments. Experience supporting Windows and/or Linux systems with a sound understanding of networking, infrastructure, and operational support. Ability to work effectively in a fast-paced operational environment while collaborating with technical and business stakeholders. Ability to participate in a rotating shift roster, including nights, weekends, and public holidays Desirable Experience Security operations experience, including SIEM, security monitoring, vulnerability management, or incident response. Exposure to cloud, virtualisation, storage, or automation technologies such as Azure, AWS, VMware, scripting, or infrastructure management tools. Experience supporting telecommunications, critical infrastructure, or 24x7 operational environments. Relevant industry certifications across Microsoft, Azure, AWS, ITIL, networking, infrastructure, or cyber security disciplines.