Senior Principal, CST COE

About the role

Singapore, Singapore

Company

Singtel Group

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.

Be a Part of Something BIG!

As the Senior Principal, Client Solutions & Transformation (CST) Centre of Excellence (COE), you will lead the Global CST COE, overseeing approximately 5 to 7 technology domains that evolve in line with business priorities, customer needs and emerging technologies.

You will lead and develop a team of Solution Designers and Domain Experts, providing deep technical expertise, solution design and assurance to support complex global customer opportunities. Working closely with Client Architects, Sales, Product, Engineering and Enterprise Services, you will drive technical excellence, build scalable specialist capabilities and accelerate the development of differentiated, commercially viable solutions.

The role also focuses on maintaining deep technical expertise across evolving COE domains while building foundational technical capabilities across CST globally, including overseas teams, through structured knowledge sharing, training and AI-enabled ways of working.

How You will Make An Impact

COE Leadership & Technical Governance

• Lead the Global CST Centre of Excellence across approximately 5 to 7 technology domains, aligned with evolving business and customer needs.
• Define and regularly review domain coverage and capability priorities based on customer demand, technology developments and Singtel's strategic direction.
• Establish architecture standards, solution patterns, frameworks and best practices to drive technical consistency, quality and reuse.
• Provide technical oversight and assurance for complex multi-domain solutions, balancing customer outcomes, technical integrity, commercial viability and operational feasibility.
• Act as the senior technical escalation point for complex solution challenges.
• Maintain deep technical expertise across evolving COE domains while building foundational technical capabilities across CST globally.

Technical Specialist Management & Capability Development

• Lead and develop CST Solution Designers and Domain Experts across the COE's technology domains.
• Build sufficient specialist expertise and capacity to support strategic global customer opportunities.
• Identify current and future capability gaps and drive targeted training, certifications, mentoring and hands-on development.
• Strengthen foundational technical knowledge and cross-domain capabilities across CST, including overseas teams.
• Establish structured knowledge management and communities of practice to share expertise and reusable solution assets.
• Develop technical career pathways and foster a culture of continuous learning, collaboration and technical excellence.

Presales Technical Support & Solution Enablement

• Partner Client Architects to provide specialist domain expertise for complex customer opportunities and integrated solution design.
• Mobilise the appropriate COE expertise for strategic bids, RFPs, technical workshops and customer engagements.
• Guide Solution Designers and Domain Experts in technical option analysis, architecture design, feasibility assessments and solution validation.
• Support Client Architects in developing differentiated technology roadmaps and transformation propositions for strategic customers.
• Leverage AI and automation to accelerate research, requirements analysis, solution design, technical documentation and assurance, while maintaining appropriate human technical judgement and accountability.

Cross-Functional Collaboration & Solution Development

• Partner Product, Engineering, Enterprise Services and Sales teams to ensure solutions align with customer requirements, product roadmaps and operational capabilities.
• Translate recurring customer requirements, technology trends and solution gaps into actionable recommendations for product and platform development.
• Drive collaboration across COE domains to deliver integrated solutions for complex enterprise requirements.
• Develop reusable reference architectures, solution patterns, technical playbooks and presales assets to reduce duplicated design effort and improve turnaround time.
• Capture lessons from customer engagements and implementations to strengthen future solution development.

COE Operational Effectiveness & Continuous Improvement

• Establish clear engagement models for Client Architects to access and work with COE specialists.
• Prioritise specialist resources based on strategic importance, customer value, solution complexity and business requirements.
• Monitor COE resource utilisation, capability readiness and technical support effectiveness.
• Improve presales productivity through standardisation, reusable solutions, AI and workflow automation.
• Track solution quality, technical effectiveness, capability development and reuse to drive continuous improvement.

Skills for Success

• Degree in Engineering, Computer Science or a related discipline.
• At least 12 years of experience in telecommunications, networking, cybersecurity or complex ICT presales.
• At least 9 years of experience in solution architecture, enterprise architecture or platform design.
• Proven experience leading large, multi-domain presales or solutions organisations.
• Experience leading global, large-scale digital, network or platform transformations.
• Strong presales and strategic deal engagement experience with enterprise customers.
• Experience working with government, defence or regulated industries.
• Advanced knowledge of enterprise networking, telecommunications, SD-WAN, cloud connectivity and digital infrastructure.
• Deep expertise in one or more technology domains, with sufficient breadth to guide complex multi-domain solutions.
• Strong understanding of enterprise ICT solutions, connectivity, cloud and related technologies.
• Strong technical and people leadership capabilities, with the credibility to lead and develop senior technical specialists.
• Excellent customer and stakeholder engagement skills, including engagement with senior technical stakeholders.
• Ability to collaborate and influence across Sales, Product, Engineering and Delivery organisations.
• Strong capability in technical governance, capability development and cross-functional leadership.
• Advanced qualifications such as an MBA, Master's degree or equivalent would be advantageous.

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.