Lead Software Security Architect & Threat Modelling

Visa Hunt; Singapore; On-site; SGD 170,000 - 230,000; Full time

Job summary

Singapore Airlines seeks a Software Security Architect to lead a team of security architecture consultants, delivering threat-driven reviews and threat modelling across identity, APIs, and AI deployments. You will embed security-by-design into development workflows, improve CI/CD tooling, and champion shift-left practices with cross-functional partners.

The role requires a strong software engineering background, 5+ years in engineering, 3+ years leading security or architecture initiatives, and

Qualifications

• Bachelor’s degree in computer science, engineering, or related fields.
• Strong software engineering background with more than 5 years of experience as a software engineer / developer.
• 3+ years of team or lateral leadership experience in technology architecture or security consulting teams
• Experienced in application security architecture/threat modelling.
• Led complex, multi-stakeholder security initiatives.
• Experience with AI/ML security challenges and solutions including Large Language Model (LLM), Model Context Protocols (MCP), Agentic AI
• Comprehensive knowledge of application security principles(OWASP, SANS, etc.)
• Experience with modern security tooling: SAST, DAST, SCA,container scanning, secrets management
• Relevant certifications (eg. SANS, AWS, Azure)

Responsibilities

• Lead a team of security architecture consultants, providing threat-driven architecture security reviews and threat modelling
• Architecture reviews include identity flows such as Oauth2, JWT,and AI deployments (MCP, RAG, Agent harness, Context engineering)
• Drive strategic security architecture decisions across business units and technology domains
• Build security-by-design into development workflows
• Enhance CI/CD security tooling and automation and drive adoptionand metrics reporting
• Reignite Security Champions initiative to improve shift leftapproach
• Design identity governance solutions for hybrid and multi-cloudenvironments
• Develop identity integration strategies for AI systems andautomated decisioning
• Engage with platform and DevOps engineering teams to buildsecure infrastructure and technology foundations
• Build positive flywheel effect among stakeholders to enablesecurity adoption and cultural transformation
• Design and integrate security frameworks for Gen AI deployment,monitoring, and governance within AI risk framework
• Maintain security blueprints for (Gen) AI deployments, includingMCP and AI guardrails
• Lead agentic AI security initiative with focus on authenticationand authorization of AI agents

Skills

Threat modelling

Application security

Team leadership

Software engineering

AI/ML security

OWASP & security standards

Education

Bachelor’s degree in computer science, engineering, or related fields

Tools

SAST

DAST

SCA

Container scanning

Secrets management

Job description

Singapore Airlines seeks a Software Security Architect to lead a team of security architecture consultants, delivering threat-driven reviews and threat modelling across identity, APIs, and AI deployments. You will embed security-by-design into development workflows, improve CI/CD tooling, and champion shift-left practices with cross-functional partners.

The role requires a strong software engineering background, 5+ years in engineering, 3+ years leading security or architecture initiatives, and