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Information Technology - Principal Technologist (Appsec)

Singapore Airlines Limited

D16 Bedok, Eastwood, Kew Drive, Upper East CoastPermanentS$12,000 – S$24,000/mo

Posted 17 Jul 2026

About this role

We are seeking a Security Architect with a strong development and solution architecture background to lead our architecture consulting team and design security solutions that enable business outcomes while maintaining robust security postures. This role reports to CISO. Key Responsibilities: Architecture Security Reviews and Threat Modelling · Lead a team of security architecture consultants, providing threat-driven architecture security reviews and threat modelling · Drive development of AI enabled security reviews, threat modelling and security enhancements of CI/CD pipeline Build Security In / Shift Left · Drive strategic security architecture decisions across business units and technology domains · Develop secure reference architectures and design patterns for modern application stacks and BSI · Build security-by-design with development workflows · Enhance CI/CD security tooling and automation and drive adoption and metrics reporting · Reignite Security Champions initiative to improve shift left approach Enterprise and Identity security architecture · Design identity governance solutions for hybrid and multi-cloud environments · Assess and implement advanced IAM patterns including fine-grained authorization, privilege escalation controls, and just-in-time access · Develop identity integration strategies for AI systems and automated decisioning · Engage with platform and DevOps engineering teams to build secure infrastructure and technology foundations · Propose initiatives to address security gaps or enhance the overall security posture · Build positive flywheel effect among stakeholders to enable security adoption and cultural transformation 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, including MCP and AI guardrails · Lead agentic AI security initiative with focus on authentication and authorization of AI agents Requirements: · Bachelor’s degree in computer science, engineering, or related fields · Strong software engineering background with more than 5years of experience as a software engineer / developer. · 3+ years of team or lateral leadership experience in technology architecture or security consulting teams · Proven leadership of security architecture/threat modelling. · Track record leading complex, multi-stakeholder security initiatives. · Ability to ship secure reference architectures and drive developer adoption at scale. · Experience with AI/ML security challenges and solutions including Large Language Model (LLM), Model Context Protocols (MCP), Agentic AI and AI governance frameworks · 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)

What they're looking for

Security ArchitectureDesign PatternsArchitectSolution Architecture

About Singapore Airlines Limited

Industry: Transport & storage

Frequently asked questions

What does a Information Technology - Principal Technologist (Appsec) at Singapore Airlines Limited do?

We are seeking a Security Architect with a strong development and solution architecture background to lead our architecture consulting team and design security solutions that enable business outcomes while maintaining robust security postures. This role reports to CISO. Key Responsibilities: Archite…

What skills does this Information Technology - Principal Technologist (Appsec) role need?

Key skills for this role include Security Architecture, Design Patterns, Architect, Solution Architecture.

How much does a Information Technology - Principal Technologist (Appsec) at Singapore Airlines Limited pay?

This role lists a salary of S$12,000 – S$24,000 per month.

Is this Information Technology - Principal Technologist (Appsec) role remote, hybrid, or on-site?

The listing is based in D16 Bedok, Eastwood, Kew Drive, Upper East Coast. Check the posting for remote or hybrid options.

How do I apply for this Information Technology - Principal Technologist (Appsec) role?

You can apply directly on Singapore Airlines Limited's careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.