Senior App Security Architect & AI Threat Modeller

SINGAPORE AIRLINES LIMITED; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

Singapore Airlines Limited is seeking a Software Security Architect to lead internal security consulting, design security solutions, and enable business outcomes while maintaining robust security postures. The role reports to the CISO and focuses on threat-driven reviews and secure AI governance.

The candidate will drive shift-left security by integrating security-by-design, enhancing CI/CD tooling, and guiding security champions across multiple domains.

Qualifications

• Bachelor's degree in computer science, engineering, or related fields.
• 5+ years of software engineering experience.
• 3+ years of leadership in technology architecture or security consulting.
• Experience in application security architecture and threat modelling.
• Familiarity with AI/ML security challenges including LLM, MCP, Agentic AI.

Responsibilities

• Lead a team of security architecture consultants in threat-driven reviews and threat modelling.
• Architecture reviews including identity flows such as OAuth2, JWT, and AI deployments.
• Continually improve AI-enabled threat modelling and pilot new AI initiatives supporting Cybersecurity capabilities.
• Drive strategic security architecture decisions across business units and technology domains.
• Build security-by-design into development workflows and enhance CI/CD security tooling.
• Engage with platform and DevOps engineering teams to build secure infrastructure and technology foundations.
• Lead agentic AI security initiatives with focus on authentication and authorization of AI agents.

Skills

Threat modelling

Security architecture

AI security

Team leadership

OAuth2

JWT

Education

Bachelor's degree in CS/Engineering

Tools

SAST

DAST

SCA

Container scanning

Secrets management

Job description

Singapore Airlines Limited is seeking a Software Security Architect to lead internal security consulting, design security solutions, and enable business outcomes while maintaining robust security postures. The role reports to the CISO and focuses on threat-driven reviews and secure AI governance.

The candidate will drive shift-left security by integrating security-by-design, enhancing CI/CD tooling, and guiding security champions across multiple domains.