Information Technology - Principal Technologist (Application Security Architect)

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

We are seeking a Software Security Architect with a strongdevelopment and solution background to lead our internal security consultingteam and design security solutions that enable business outcomes whilemaintaining robust security postures. This role reports to CISO.

Key Responsibilities

Application Security Reviews and Threat Modelling

• 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)

Build Security In / Shift Left

• 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

Enterprise and Identity security architecture

• 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

Agentic and Gen AI Security

• 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

Requirements

• Bachelor’s degree in computer science, engineering, orrelated fields
• Strong software engineering background with more than 5 years ofexperience as a software engineer / developer.
• 3+ years of team or lateral leadership experience in technologyarchitecture or security consulting teams
• Experienced in application security architecture/threatmodelling.
• Led complex, multi-stakeholder security initiatives.
• Experience with AI/ML security challenges and solutionsincluding 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)

We thank all candidates for your interest in SingaporeAirlines, and regret that only shortlisted candidates will be notified.