Senior Incident Response Analyst

Computershare is looking for a Senior Incident Response Analyst (CIRT) to join our Shared Services team within the Global Information Security department, located in either Melbourne Yarra Falls or Sydney City. This hybrid role requires three days a week in the office. As a Senior Incident Response Analyst, you will play a critical hands‑on role within our Cyber Defence team, lead complex incident investigations, build and tune threat detection capabilities, and mentor SOC Analysts to support global 24/7 operations. Responsibilities Act as the senior escalation point for complex or high‑severity incidents. Lead the incident response lifecycle from detection through to post‑incident review. Perform high‑level forensic analysis across cloud, endpoint and network data. Develop and execute hypothesis‑driven hunts across available telemetry. Use results to identify gaps or refine detection logic. Build, tune, and document detection logic in Sentinel, Defender, CrowdStrike and other platforms. Translate threat intelligence into rules and analytics to support incidents. Maintain and execute MITRE ATT&CK coverage plans. Design and improve operational playbooks and SOAR workflows. Implement response logic for recurring incident types. Support the development of SOC Analysts by providing escalation support, training and structured feedback. Qualifications Flexibility to work an on‑call rotation which will include some weekends and public holidays (current schedule is 1 week every 6 weeks but is subject to change). Proven experience in SOC, IR or similar roles with demonstrable experience in threat hunt or tier 3 response. Experience building detection logic and analytics rules (e.g. KQL, Sigma). Deep understanding of MITRE ATT&CK, threat actors, and attack chains. Strong verbal and written communication skills including report writing, briefing groups, and translating technical terms into easy‑to‑understand concepts for non‑technical colleagues. Experience in financial services, aviation, government, or other regulated industries. Bonus Points If You Have GIAC certifications (e.g. GCIA, GCIH, GNFA, GMON, GCFA), Microsoft SC‑200, AZ‑500 or equivalent. Experience with Sentinel, Defender and CrowdStrike. Strong scripting knowledge (PowerShell, Python, etc.). Knowledge of security frameworks including SOC2, ISO 27001 and NIST. Active geopolitical awareness. Bachelor’s degree or a master’s degree in a relevant field. Rewards Designed for You Flexible work to help you find the best balance between work and lifestyle. Health and wellbeing rewards that can be tailored to support you and your family. Invest in our business by setting aside salary to purchase shares in the company, with a company contribution. Extra rewards ranging from recognition awards and team get‑togethers to helping you invest in your future. And more. About Us We're a global leader in financial administration with over 12,000 employees across more than 22 different countries. At Computershare, it’s more than just a job – our open and inclusive culture means we help you grow, move forward and take advantage of our world of opportunities. Fairness and Culture We're dedicated to providing you with the opportunity to succeed on your own merits, starting from the application process and continuing throughout your career with us. Our goal is to create an environment where everyone feels valued, to remove barriers and obstacles and ensure equal opportunities for all. For support with accommodations or adjustments during our recruitment process please visit computershare.com/access for further information. #J-18808-Ljbffr