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Full-time
bachelor degree, professional certificate
Posted 1d ago
~40 hrs/week
Responsibilities
Drive the enterprise-wide Security Architecture strategy with a focus on implementing Zero Trust principles and security reference architectures. Partner with cross-functional teams to perform threat modelling and risk assessments to ensure resilient digital solutions.
Requirements
Requires a degree in IT, Computer Science, or Engineering with at least 8 years of relevant experience in network and infrastructure security. Professional certifications such as CISSP, CISM, or CCIE are highly desired.
Full job 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”.
Singtel is where Technology meets Purpose.
We're building an AI-first telco for the future—connecting people, businesses and communities through trusted networks, intelligent digital services and next-generation technology.
From 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.
At 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.
This 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.
Backed 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.
Role Summary:
Lead Security Architect is a senior cybersecurity leader responsible for driving the organization’s enterprise-wide Security Architecture strategy. This role oversees implementation of Zero Trust secure architecture principles, deliver threat models, security reference architectures and design patterns.
This 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.
Singtel 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.
This role will report into the Head of Information Security Architecture and Risk Assessment.
How You will Make An Impact:
Strategic Leadership:
Establish Zero Trust security architecture strategy and execution across Singtel IT and Enterprise.
Plan, prioritize and develop roadmap to enhance Cyber capabilities and incorporate into Annual Operating Plan.
Evaluate emerging technologies and new trends in Cybersecurity.
Keep abreast of emerging risks, industry wide attacks and mitigations.
Executive Reporting & Stakeholder Engagement:
Present thematic architecture gaps and risk posture to executive leadership and governance committees.
Translate technical cyber risks into business impact language.
Initiatives and Programs Oversight:
Lead execution of Zero trust security initiatives across Singtel IT and Enterprise Business.
Perform Threat Modelling and Risk Assessments across various Singtel IT and Enterprise projects.
Develop reusable Security reference architectures and design patterns.
Skills for Success:
Degree in Information Technology, Computer Science, Engineering or its equivalent.
8 Years or more relevant experience
Network Security such as macro/micro segmentation, ZTNA, SASE, SDWAN, Perimeter security.
Infrastructure and Systems Security.
Threat Modelling.
Zero Trust Security Architecture.
Experience in Security by Design principles.
One or more Industry security Certifications such as CCIE, CISSP, CISM, CCSP or other equivalent industry certifications.
Orchestrate across cross-functional teams, make sound decisions under pressure, and manage expectations.
Strong leadership, stakeholder management decision-making, communication, and problem-solving capabilities.
Good verbal and written communication skills.
Are you ready to say hello to BIG Possibilities?
Join Singtel to shape what's next and accelerate your career through meaningful work, continuous learning, and real impact.
Related keywords
Zero TrustCybersecurityThreat ModellingRisk AssessmentNetwork SecurityZTNASASESDWANPerimeter SecurityCISSPCISMCCSPCCIESecurity ArchitectureDevSecOpsInfrastructure Security
Singtel Group is Asia's leading communications technology group, providing a portfolio of services from next-generation communication, digital services and digital infrastructure including regional data centre arm Nxera and regional IT services arm NCS. The Group has presence in Asia, Australia and Africa and reaches over 820 million mobile customers in 20 countries.
Singtel is dedicated to continuous innovation, harnessing next-generation technologies to create new and exciting customer experiences as we shape a more sustainable, digital future.
Offices: 10 Eunos Road 8, Singapore Post Centre #07-31, Singapore, 408600, SG