Job Description

Group Security Architect

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Date:

6 Nov 2025

Location:

Singapore, Singapore

Company:

Singtel Group


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".

Be a Part of Something BIG

We create great technology that can change the future, and we're looking for people to be part of our digital and 5G journey. If you like to work in a dynamic, leading communications technology group to deliver innovations and excellence across the region, come join our digital, software engineering, data and cyber security teams!



The Group Security Architect is a visionary leader responsible for shaping the Singtel Group's security architecture strategy and embedding "secure-by-design" principles across all technology domains. Working closely with the Group Enterprise Architect, Security Architects from Operating Companies, this role defines the Group Security Guardrails that underpin our Reference Architecture and technology blueprints.



As a trusted advisor and design authority, the Group Security Architect ensures that emerging technologies are securely adopted at scale across the Group. The role bridges business, technology, and security strategy, driving alignment between innovation and resilience while strengthening architectural consistency across OpCos.



This position demands both technical depth and strategic foresight and someone who can anticipate technology trends, translate them into actionable security patterns, and influence decision-making at the Group level.



Apply now, and ignite our digital future together.

Make an Impact by

Strategic Leadership & Vision

Define and maintain the Group Security Architecture Vision and roadmap, ensuring alignment with Group Enterprise Architecture and business strategy.



Anticipate emerging technology shifts and translate them into forward-looking security design principles and guardrails.



Support Group's technology modernisation initiatives by embedding "secure-by-design" and "zero-trust" concepts into enterprise blueprints.

Security Guardrails & Reference Architecture

Co-develop with the Group Enterprise Architect the Group Security Guardrails to guide technology adoption, integration, and operations across OpCos.



Maintain the Security Reference Architecture (SRA) for major technology domains


Ensure alignment with regulatory frameworks


Translate architectural blueprints into adoptable and actionable implementation guidance for solution architects and engineering teams.

Security Technology Stack Alignment

Drive Group-wide alignment of the security technology stack across OpCos, ensuring rationalisation, interoperability, and consistent adoption of Group-endorsed platforms.



Lead the monthly Security Technology Stack Alignment Forum, bringing together OpCo security and architecture leads to review current deployments, share lessons learned, and define forward plans for convergence. Identify opportunities for joint initiatives, shared services, and Group-level optimisation across domains Collaborate with Group Procurement and Technology Strategy teams to align vendor selection, licensing models, and roadmap integration.

Advanced Cyber Technology Exploration

Participate in the evaluation and assessment of advanced technologies such as areas related to AI (e.g., GenAI, LLMs), quantum computing, and deepfakes.



Participate in pilots and research programs to test technical readiness and applicability.



Identify opportunities to integrate advanced technologies into the Group's cyber resilience roadmap.

Architecture Review Board (ARB) & Governance

Represent Group Cyber in the

Group Architecture Review Board

, providing authoritative guidance on cybersecurity controls, technology patterns, and architecture deviations.



Define

security architecture review processes

, ensuring risk-based and business-aligned assessments.



Develop reusable

security architecture patterns and decision frameworks

to accelerate secure solution design.

Design Assurance & Advisory

Provide design assurance for strategic Group programs and high impact initiatives



Partner with OpCo CISOs and architects to ensure consistent implementation of approved guardrails and architectural patterns.



Act as a trusted advisor to solution architects, engineers, and project teams, helping balance innovation with security and compliance.

Budget & Resource Stewardship

Assist in planning and managing budgets for emerging tech-related cyber programs.



Recommend resource allocation strategies to optimize cost, scale, and talent effectiveness.

Stakeholder

Engagement & Influence

Partner with the Group Enterprise Architecture, OpCo Architecture and Security Architecture Teams to ensure alignment of blueprints and technology choices.



Contribute to cross-functional governance


Collaborate with architects and technical leads across OpCos on security-by-design, architecture assurance, and emerging security paradigms.



Liaise with internal stakeholders to align cybersecurity strategy with enterprise-wide goals.



Foster alignment and awareness of cybersecurity priorities across the Group.

Skills for Succes

Bachelor's degree in computer science, Information Technology, Cybersecurity, or a related field. 10-15 years in enterprise or security architecture, with at least 5 years in Group-level or large multi-entity governance. Demonstrated experience in managing and delivering large-scale cybersecurity projects and design architectures. Strong understanding of cybersecurity frameworks, standards, and regulations (e.g., NIST, ISO 27001, GDPR, etc.). Familiarity with emerging cyber threats and innovative defenses, particularly in advanced technology areas. Security architecture frameworks (SABSA, TOGAF, NIST), Zero Trust, Cloud (AWS/Azure/GCP), IAM, Data Security, Network Segmentation, AI Security, and Quantum. Strong understanding of telco, cloud, and enterprise IT ecosystems. Proven ability to translate complex technical concepts into board- and business-friendly narratives. Certifications preferred: SABSA, TOGAF, CISSP, CISM, or CCSP. Experience representing security architecture in cross-functional review boards and engaging senior stakeholders. Exceptional leadership, collaboration, and team management skills. Ability to work effectively with diverse stakeholders, including subsidiaries in a conglomerate or multi-subsidiary environment. Strong analytical, decision-making, and problem-solving skills, especially in dynamic and high-pressure situations. Excellent communication and interpersonal abilities, with a proven track record of engaging and influencing stakeholders at all levels. Strong capacity to present complex ideas and strategies in an accessible manner for varied audiences.

Rewards that Go Beyond

Flexible work arrangements Full suite of health and wellness benefits Ongoing training and development programs Internal mobility opportunities

Are you ready to say hello to BIG Possibilities?

Take the leap with Singtel to unlock new opportunities and accelerate your growth. Apply now and start your empowering career!

We are committed to a safe and healthy environment for our employees & customers and will require all prospective employees to be fully vaccinated.