{"id":2348660,"url":"https://alion.io/job/singtel-senior-information-security-specialist-3","title":"Senior Information Security Specialist","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":0.2,"repost_share":0,"time_to_fill_p50_days":18,"computed_at":"2026-10-20T05:45:00Z"}},"role":"Security","role_family":"Security","seniority":"senior","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":114000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":41},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-09-26T16:00:00Z","employer_posted_date":"2026-09-26","last_verified_at":"2026-10-20T22:03:48Z","board_verified":true,"closed_at":null,"days_open":24,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":24},"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:\nThe purpose of this role is to provide independent security architecture and risk assurance across technology initiatives, ensuring that information security risks are identified early, assessed consistently, and managed effectively throughout the system lifecycle. The role enables secure delivery of business initiatives by ensuring technology solutions, infrastructure changes, and third-party services are designed and implemented in compliance with regulatory requirements, enterprise security standards, and the organisation’s risk appetite.\nThe role acts as a security risk and architecture advisor to Singtel IT, Telco Networks and Enterprise stakeholders, applying recognised security frameworks and threat modelling techniques to evaluate design decisions, identify control gaps, and recommend risk-based mitigations. Through continuous improvement of risk assessment practices and standards, the role strengthens the organisation’s overall security posture while supporting timely and informed decision-making.\nHow You will Make An Impact:\nPerform comprehensive information security risk assessments for new and existing systems, applications, infrastructure changes, and third-party engagements.\nEnsure technology initiatives and controls comply with internal security policies, standards, and governance requirements; proactively highlight gaps and recommend remediation. \nReview and validate security control designs across IT infrastructure, cloud environments, network security, identity and access management, data protection, and application security\nAssess design documents, architecture diagrams, and technical controls to confirm that technology risks are mitigated prior to go-live.\nConduct threat modelling for critical systems and application deployments, identifying attack paths, threat scenarios, and control weaknesses, and recommending design-level mitigations.\nCollaborate with IT, application teams, and business stakeholders to provide risk advisory for projects and ad hoc reviews.\nDefine, review, and promote secure architecture and security design patterns to guide solution teams in implementing consistent, scalable, and risk-aligned security controls.\nDrive continuous improvement of security risk assessment and design review frameworks, processes, and templates to enhance consistency, quality, and efficiency across project and solution reviews.\nRecommend new or enhanced security controls and architecture patterns based on emerging threats, risk assessment outcomes, regulatory changes, and industry best practices, and work with stakeholders to support their implementation.\nSkills for Success:\nDegree/Diploma in Information Technology, Computer Science, Engineering or related fields\nAt least 6 years or more working experience in security assessment, cybersecurity, or related IT roles.\nExperience in Systems security, Network Security, Identity Access Management or Virtualization Security is required.\nExperience working within system integrator or consulting environments, including exposure to multi-client or complex delivery engagements, is an advantage.\nHands-on experience in system and security administration, implementation, and solution design across servers, applications and telco networks, will be useful. \nAbility to apply Zero Trust security architecture principles to complex enterprise environments.\nCapability in threat modelling and technology risk assessment, including identification of threat scenarios, assessment of control effectiveness, and recommendation of risk mitigation strategies.\nStrong capability to interpret security baselines and standards and translate them into appropriate architectural and control requirements, aligned with regulatory, enterprise, and technology contexts.\nAbility to validate systems and solution designs against security and compliance baselines, identify gaps, and recommend appropriate remediation measures.\nProfessional security management certifications such as a Certified Information Systems Security professional (CISSP), Certified Information Security Manager (CISM) or other similar credentials, will be preferred.\nStrong analytical and problem-solving skills.\nEffective time management and prioritisation skills.\nSound conflict management and negotiation skills.\nHigh level of professionalism, commitment, and accountability.\nResilience and adaptability in fast-paced or changing environments.\nChange-oriented mindset with a focus on continuous improvement.\nAbility to work independently with minimal supervision, with remote stakeholders, exercising sound judgement and initiative.\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 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