{"id":4147576,"url":"https://alion.io/job/westpac-principal-cybersecurity-engineer-application-control","title":"Principal Cybersecurity Engineer (Application Control)","company":{"id":1766325,"name":"Westpac","domain":"westpac.com.au","url":"https://alion.io/company/westpac-com-au","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":100,"open_postings":3,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":14,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Security","role_family":"Security","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sydney, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"PKI","optional":false},{"name":"SIEM","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-11-12T03:10:53Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T07:50:02Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"What’s the role?\nYou’ll take technical ownership of Westpac’s Application Control service within Information Security, helping strengthen the critical controls that protect our technology environment. You’ll set the direction for platform architecture, policy design and engineering standards across Windows, macOS and Linux, while leading complex policy changes, integrations and major incident response.\nYou’ll also work across security operations, endpoint management and engineering teams to improve resilience, automate controls and enhance how we measure their effectiveness.\nWhat do I need?\nDeep expertise in application control and whitelisting, with strong knowledge of endpoint security architecture across Windows, macOS and Linux.\nStrong understanding of PKI, application trust, certificates, code signing, publishers and file hashes.\nExperience designing and engineering security policies, including reviewing complex or high-impact policy changes and exceptions.\nStrong scripting and API automation skills, with experience integrating security controls with SIEM/SOC, endpoint management and related platforms.\nProven capability in complex troubleshooting, malware analysis, major incident response, platform resilience and lifecycle management.\nWhy join us?\nWe’re obsessed with becoming our customers' #1 banking partner for life and we’re looking for people who are passionate about helping us achieve that goal. In return, we’re committed to making Westpac the best place to work in the country. Here are just a few of the ways we’re already doing that:\nSpecial offers on banking products and discounts from top brands, including generous employee-only mortgage rates!\nFlexible work arrangements to help you achieve a greater work/life balance, and a variety of leave options including Culture, Lifestyle and Wellbeing leave. \nTailored learning and development opportunities to help your grow your career within the bank. \nLots of opportunities to ‘give back’ to the Community by getting involved in our many volunteering initiatives.\nCreate your future today\nTo get started, simply click on the APPLY or APPLY NOW button\nWe’re all about creating a supportive and inclusive community. We welcome everyone - no matter your age, gender, background, or abilities. We also provide additional support to welcome our veterans, Indigenous Australians and neurodiverse community.\nIf you need any adjustments during the recruitment process, you can find more information and contact details on our FAQs and how to contact us page, under the ‘Diversity, sustainability and flexibility’ section.\nWe may close this job advertisement earlier than the advertised closing date if suitable candidates are identified. 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