Cyber Security Specialist Permanent | Melbourne I am currently working with a large enterprise organisation looking to strengthen its cyber security capability. This role sits at the heart of their security function, combining hands-on engineering, architecture, and operational leadership. You’ll play a key role in driving cyber initiatives across infrastructure, cloud, and enterprise systems, while helping to mature security operations and frameworks across the business. What you’ll be doing Lead security incident response and investigation activities Drive vulnerability management and threat detection initiatives Design and implement secure architectures and security controls Develop and maintain security policies, standards, and procedures Enhance SIEM capability including detection rules and threat monitoring Oversee security across infrastructure, cloud, and enterprise platforms Conduct risk assessments and security reviews Collaborate with SOC, IT, Risk, and Compliance teams Provide mentorship and technical leadership to junior team members Engage with vendors, auditors, and external stakeholders Must Haves Experience in designing and operating security controls in complex enterprise environments Experience within security operations, IR and risk management Nice to Have Experience with scripting or automation (e.g. Python) Exposure to threat hunting or penetration testing Relevant certifications (CISSP, CISM, CISA, CEH, GIAC) Experience in regulated environments If you are interested please apply or send your updated resume to lainey.macdonald@halcyonknights.com.au SCR-lainey-macdonald-1