Senior Cybersecurity Architect – AI-Driven VAPT Leader

Land Transport Authority; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

The Land Transport Authority in Singapore invites applications for a Senior/Executive Cybersecurity Engineer specializing in cyber architecture and development. You will conduct end-to-end VAPT, advise on secure-by-design architectures, and help shape AI-assisted testing strategies across critical digital systems.

The role blends hands-on security testing, capability development, and stakeholder engagement to strengthen security across applications, infrastructure, and cloud environments.

Qualifications

• Minimum 2 years of VAPT/offensive security experience.
• Hands-on capability with VAPT methodologies and tools.
• Certifications OSCP or CREST or equivalent preferred.
• Familiarity with MITRE ATT&CK and red/purple teaming.
• Knowledge of AI-enabled security testing approaches is advantageous.
• Strong cloud and network security knowledge.

Responsibilities

• Lead end-to-end VAPT across applications, infrastructure, networks, and cloud environments; identify exploitable weaknesses and remediate.
• Design and execute adversarial attack simulations to reveal blind spots in controls.
• Explore and evaluate AI-enabled approaches for planning, analysis, and remediation with governance.
• Advise on risk assessments, review security architecture, and recommend practical security solutions.
• Partner with architects, developers, and operations to embed secure-by-design practices.
• Track emerging vulnerabilities and translate findings into dashboards and prioritized remediation.
• Analyse trends across VAPT, AAS, and assurance activities to inform security standards and playbooks.
• Communicate complex findings clearly to technical and non-technical stakeholders.

Skills

Cybersecurity

Cloud security

Network security

Encryption

Authentication protocols

VAPT

Adversary emulation

MITRE ATT&CK

Security automation

Scripting

Red teaming

Purple teaming

AI concepts

Education

OSCP

CREST certification

CISSP

CISM

CRISC

CISA

Tools

Security testing tools

Adversary emulation tools

MITRE ATT&CK framework

Job description

The Land Transport Authority in Singapore invites applications for a Senior/Executive Cybersecurity Engineer specializing in cyber architecture and development. You will conduct end-to-end VAPT, advise on secure-by-design architectures, and help shape AI-assisted testing strategies across critical digital systems.

The role blends hands-on security testing, capability development, and stakeholder engagement to strengthen security across applications, infrastructure, and cloud environments.