{"id":1232950,"url":"https://alion.io/job/singtel-lead-security-architect","title":"Lead Security Architect","company":{"id":49912,"name":"Singtel","domain":"singtel.com","url":"https://alion.io/company/singtel","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":100,"open_postings":5,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":23,"computed_at":"2026-10-31T05:58:55Z"}},"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":["Singapore"],"countries":["SG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":57000,"max_usd":131000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":17},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-09-14T00:00:00Z","employer_posted_date":"2026-09-14","last_verified_at":"2026-10-31T16:22:29Z","board_verified":true,"closed_at":null,"days_open":47,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":47},"description":"An empowering career at Singtel begins with a Hello. Our purpose, to Empower Every Generation, connects people to the possibilities they need to excel. Every \"hello\" at Singtel opens doors to new initiatives, growth, and BIG possibilities that takes your career to new heights. So, when you say hello to us, you are really empowered to say…“Hello BIG Possibilities”.\nSingtel is where Technology meets Purpose.\nWe're building an AI-first telco for the future-connecting people, businesses and communities through trusted networks, intelligent digital services and next-generation technology.\nFrom transforming everyday experiences in mobile, broadband, entertainment and lifestyle services to enabling enterprises with AI, 5G+, cloud, cybersecurity, data centres and digital platforms, we create the technology that powers how millions live, work and connect.\nAt Singtel, your work creates real impact. You'll solve meaningful challenges, shape critical digital infrastructure and help build secure, resilient and AI-enabled solutions that serve businesses, digital ecosystems and communities across the globe.\nThis is where BIG Possibilities become reality. Whether you're engineering intelligent networks, advancing sovereign AI cloud platforms, strengthening cybersecurity, designing seamless customer experiences or driving sustainable innovation, you'll be part of teams shaping the future of technology.\nBacked by decades of expertise and driven by a culture of continuous learning and innovation, Singtel offers the scale, opportunities and support to help you grow your career while making a difference where it matters most.\nRole Summary:\nLead Security Architect is a senior cybersecurity leader responsible for driving the organization’s enterprise-wide Security Architecture strategy. This role oversees implementation of Artificial Intelligence (AI) architectures, Infrastructure and Application security architectures, Zero Trust secure architecture principles, threat models, security reference architectures and design patterns.\nThis role will partner closely with enterprise architects, solution designers, application teams, technology infrastructure, devsecops, project management and executive leadership to deliver secure and resilient solutions.\nSingtel has diverse technology ecosystems and lead security architect needs to be able to cope with varying complexities in terms of business requirements, system, network and application architecture. Additionally, while there are differing business and technical considerations, Architect needs to able to align the stakeholders from Singtel IT and Enterprise to adopt common Zero Trust technology components.\nThis role will report into the Head of Information Security Architecture and Risk Assessment.\nHow You will Make An Impact:\nStrategic Leadership:Establish Artificial Intelligence (AI), Zero Trust security, Infrastructure Security and Application Security architecture strategy and execution across Singtel IT and Enterprise.\nPlan, prioritize and develop roadmap to enhance Cyber capabilities and incorporate into Annual Operating Plan.\nEvaluate emerging technologies and new trends in Cybersecurity.\nKeep abreast of emerging risks (e.g., Quantum), industry wide attacks and mitigations.\n\nExecutive Reporting & Stakeholder Engagement:Present thematic architecture gaps and risk posture to executive leadership and governance committees.\nTranslate technical cyber risks into business impact language.\n\nInitiatives and Programs Oversight:Lead execution of Artificial Intelligence (AI), Zero Trust security, Infrastructure Security and Application Security initiatives across Singtel Singapore.\nPerform Threat Modelling and Risk Assessments across various BU’s in Singtel Singapore.\nDevelop reusable Security reference architectures and design patterns.\n\nSkills for Success:\nDegree in Information Technology, Computer Science, Engineering or its equivalent.\n6 Years or more relevant experience.\nArtificial Intelligence (AI) Security Guardrails and Frameworks.\nInfrastructure and Systems Security.\nApplication Security.\nThreat Modelling\nZero Trust Security Architecture principles.\nExperience in Security by Design principles\nKnowledge of Quantum Security\nOne or more Industry security Certifications such as CISSP, CISM, CCSP or other equivalent industry certifications.\nOrchestrate across cross-functional teams, make sound decisions under pressure, and manage expectations.\nStrong leadership, stakeholder management decision-making, communication, and problem-solving capabilities.\nGood verbal and written communication skills.\nAre you ready to say hello to BIG Possibilities?\nJoin Singtel to shape what's next and accelerate your career through meaningful work, continuous learning, and real impact.","description_format":"text","description_chars":4775,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Telecommunications","Broadband","Information Security"],"lifecycle":[{"event":"open","at":"2026-09-25T15:25:36Z"}],"visa":[],"liveness":{"score":19,"band":"cold","label":"Long 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