{"id":3842134,"url":"https://alion.io/job/tpg-telecom-senior-manager-cyber-security-architecture","title":"Senior Manager - Cyber Security Architecture","company":{"id":49832,"name":"TPG Telecom","domain":"tpgtelecom.com.au","url":"https://alion.io/company/tpg-telecom","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":85,"open_postings":5,"ghost_share":0,"stale_share":0.6,"repost_share":0,"time_to_fill_p50_days":28,"computed_at":"2026-11-11T05:49:22Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"hybrid","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":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Defense in Depth","optional":false},{"name":"IAM","optional":false},{"name":"MITRE ATT&CK","optional":false},{"name":"NIST CSF","optional":false},{"name":"STRIDE","optional":false},{"name":"Threat Modeling","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-11-05T22:13:01Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-11T05:49:31Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Your opportunity:\nWe are seeking a strategic, visionary, and technical Senior Manager of Cyber Security Architecture to lead the design and governance of our enterprise-wide security architecture. In this role, you will be responsible for defining the security vision, reference models, design patterns, and strategic roadmaps across multi-cloud environments, modern infrastructure, and business applications.\nYou will act as the principal authority for security design, bridging business requirements with robust security patterns (Zero Trust, Cloud-Native, Defense-in-Depth). The ideal candidate brings extensive technical experience in enterprise architectural governance combined with proven leadership to manage security architects and advise key stakeholders.\nYou'll make impact by:\nOwnership of security design, patterns & blueprints. \nLead, mentor, and grow a team of high-performing Cyber Security Architects.\nEstablish and maintain the Enterprise Cyber Security Architecture framework, reference architectures, design patterns, and threat model.\nKey representative in Architecture Review Board (ARB) to evaluate and approve major technical designs, technology acquisitions, and system integrations.\nAlign security architecture strategy with business transformation, digital innovation, and compliance/risk requirements.\nEvaluate emerging technologies (AI/ML security, quantum-safe cryptography, mesh architectures) and run architecture proof-of-concepts.\nProvide expert advice on security posture and risk trade-offs during major organizational changes, M&A integrations, and vendor evaluations\nServe as trusted advisor to executive leadership, product leaders, and IT on architectural risks and strategic security investments.\nWhat you’ll bring:\nExperience: 10+ years of experience in Information Security and IT Architecture, with at least 3+ years in a senior architecture leadership or manager role.\nArchitectural Expertise: Proven track record designing enterprise security solutions across multi-cloud, hybrid infrastructure, Zero Trust, IAM, networks, and enterprise applications.\nFrameworks & Methodologies: Deep knowledge of TOGAF, SABSA, NIST CSF/800-53, MITRE ATT&CK, STRIDE and Zero Trust Architecture patterns.\nThreat Modeling & Risk: Hands-on experience conducting threat modeling, design risk assessments, and vulnerability architecture reviews.\nLeadership & Influence: Exceptional executive communication, negotiation, and stakeholder management skills with the ability to influence cross-functional technical teams.\nPreferred Certifications:\nCertified Information Systems Security Professional (CISSP) or CISSP-ISSAP (Architecture)\nSherwood Applied Business Security Architecture (SABSA) / TOGAF Certified\nCertified Cloud Security Professional (CCSP)\nAWS Certified Solutions Architect - Professional / Azure Solutions Architect Expert\nWhat's in it for you?\nFlexible hybrid way of working (from home and office)\n‘Stay Connected Mobile’ - Access to a free mobile plan\n‘Stay Connected NBN’ - Access to a free, high-speed NBN plan (up to 500 Mbps)\n‘Your Leave’ - additional leave to be used whenever you like - every year\nAccess to TPG Learning Hub platform and internal development opportunities\nAccess to Corporate Partner Discounts\nDon’t meet every single requirement? That’s OK! At TPG Telecom, we’re all about creating an accessible workplace where everybody feels safe to bring their authentic self to work - regardless of background. If you think this role is a great fit for you but some of the qualifications don’t align with your experience, we still encourage you to apply - you might just be the perfect candidate for a similar role with us! Learn more about life at TPG Telecom here.\nTPG Telecom also acknowledges the Gadigal People of the Eora Nation as the Traditional Custodians of lands and waterways where this office can be found in Barangaroo.\nOur Talent Acquisition Team and Hiring Managers kindly request no unsolicited resumes or approaches from Recruitment Agencies. 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