Senior Cyber Architecture Strategist

Cyber Security Agency of Singapore (CSA); Singapore; On-site; SGD 140,000 - 200,000; Full time

Job summary

The Cyber Security Agency of Singapore (CSA) seeks a seasoned Enterprise Architect to lead the Technical Architecture Office (TAO), translating strategic cybersecurity requirements into scalable architectures and governing technology decisions that underpin national safety.

You will collaborate with stakeholders, manage architecture governance, and ensure alignment across hybrid and multi-cloud environments, applying TOGAF, Zachman, or SABSA frameworks.

Qualifications

• 10 to 15 years of relevant experience in Enterprise Architecture, Network Security, Management Consulting, Threat Risk Assessment and Security Governance.
• Proven ability to translate complex business and operational requirements into scalable end-to-end solution architectures, with a strong grasp of integration patterns, middleware, and API-driven design.
• Demonstrated ability to architect solutions across hybrid and multi-cloud environments, with an understanding of how infrastructure, application, and security layers interact at an enterprise scale.
• Experience working across cross-functional teams and managing architecture governance processes, such as architecture review boards, design authorities, or technical steering committees.
• Familiarity with architecture frameworks and methodologies such as TOGAF, Zachman, or SABSA, and the ability to apply them pragmatically in a complex operational environment.

Responsibilities

• Partner with and act as a trusted advisor to stakeholders within CSA and beyond, co-creating system designs and solution architectures for cybersecurity systems that deliver real operational impact.
• Provide thought leadership on integrated solution design and high-effectiveness architecture, defining how cybersecurity capabilities are structured, interconnected, and sustained at a national level.
• Analyse national cybersecurity operational requirements, assess current-state architectures, and co-create next-generation solution designs that deliver integrated operational effects.
• Establish and manage a repository of architecture principles, standards, and artefacts that form the backbone of CSA's technical governance framework.
• Manage the Architecture Review Board, evaluating solution proposals, managing ongoing architecture change requests, and ensuring clear ownership of architectural decisions across the organisation.

Skills

Strong communication

Interpersonal skills

Presentation skills

Consulting skills

Tools

TOGAF

Zachman

SABSA

Job description

The Cyber Security Agency of Singapore (CSA) seeks a seasoned Enterprise Architect to lead the Technical Architecture Office (TAO), translating strategic cybersecurity requirements into scalable architectures and governing technology decisions that underpin national safety.

You will collaborate with stakeholders, manage architecture governance, and ensure alignment across hybrid and multi-cloud environments, applying TOGAF, Zachman, or SABSA frameworks.