AI-Driven Cyber Security Testing Lead

Singtel; Singapore; On-site; Confidential; Full time

Job summary

Singtel is seeking a Senior Cyber Security Testing Specialist to coordinate penetration testing, security assessments, Bug Bounty, and source code reviews across the organisation. You will work with external vendors, security champions, and stakeholders to manage tests, validate findings, and guide remediation.

The role requires hands-on app/API testing experience, knowledge of MITRE ATT&CK, and exposure to GenAI security testing.

Qualifications

• 6+ years of cyber security experience, preferably in testing and assessment.
• Experience coordinating penetration testing and security assessments with vendors and stakeholders.
• Experience reviewing security findings and providing remediation guidance.
• Hands-on app/API penetration testing experience; GenAI app security testing is a plus.
• Experience with APT TTPs for attack simulations to validate controls.
• Experience supporting Bug Bounty programs and source code security reviews would be advantageous.

Responsibilities

• Oversee penetration testing and security assessments by external vendors; ensure compliance with security requirements.
• Define testing scope, rules of engagement, methodologies, timelines and deliverables with stakeholders.
• Coordinate remediation, retesting, and closure of findings; report status to management.
• Perform targeted penetration testing and validation; validate remediation effectiveness.
• Conduct attack simulations using APT-like tactics to evaluate controls and detections.
• Stay updated on vulnerabilities and security testing technologies to drive improvements.

Skills

Cyber security experience

Penetration testing coordination

Security findings analysis

Application/API pentesting

APT/TTPs attack simulations

Bug Bounty program experience

Education

Bachelor’s degree in CS/IT/Engineering or related

Job description

Singtel is seeking a Senior Cyber Security Testing Specialist to coordinate penetration testing, security assessments, Bug Bounty, and source code reviews across the organisation. You will work with external vendors, security champions, and stakeholders to manage tests, validate findings, and guide remediation.

The role requires hands-on app/API testing experience, knowledge of MITRE ATT&CK, and exposure to GenAI security testing.