Senior Security Architect, Secure-by-Design

HTX (Home Team Science & Technology Agency); Singapore; On-site; SGD 150,000 - 190,000; Full time

Job summary

HTX (Home Team Science & Technology Agency) in Singapore is seeking a security-by-design leadership specialist to drive secure architecture across Home Team projects.

You will work with HTX and Home Team departments to embed defence-in-depth, perform risk assessments, and guide platform teams from earliest design through delivery of secure solutions. This role requires collaboration with ACISOs and technical experts to ensure security across network, IAM, apps, and cloud.

Qualifications

• Tertiary education in CS/IT or related engineering field.
• Certifications in AWS and/or Microsoft technologies are essential.
• Advanced security certifications (OSCP, GIAC, etc.) are highly valued.
• Cybersecurity certifications (CISSP/CISM/CISA/CRISC) encouraged.
• Experience delivering security-by-design across platforms.
• Knowledge of VAPT for infrastructure, networks, apps and APIs.

Responsibilities

• Lead security architecture design for enterprise platforms across domains.
• Develop reference architectures and hardening standards for multi-tenant environments.
• Review security requirements for applications and services with a Secure by Design approach.
• Provide support to platform teams as security design specialist for projects.
• Perform technical risk assessments on critical enterprise platforms.
• Advise on testing standards for advanced security validation (VAPT, red team).
• Act as technology expert to assess complex security findings for ACISOs.

Skills

Multitasking

Stress resilience

Stakeholder communication

Analytical thinking

Team collaboration

Education

Tertiary education in CS/IT or related Engineering field

Certification in AWS

Certification in Microsoft technologies

Advanced security certifications (OSCP, GIAC, etc.)

Cybersecurity certifications (CISSP/CISM/CISA/CRISC)

Job description

HTX (Home Team Science & Technology Agency) in Singapore is seeking a security-by-design leadership specialist to drive secure architecture across Home Team projects.

You will work with HTX and Home Team departments to embed defence-in-depth, perform risk assessments, and guide platform teams from earliest design through delivery of secure solutions. This role requires collaboration with ACISOs and technical experts to ensure security across network, IAM, apps, and cloud.