Senior Information Security Architect

Singapore Telecommunications Limited; Kuala Lumpur; On-site; MYR 180,000 - 300,000; Full time

Job summary

Singtel is seeking a Senior Information Security Specialist to provide independent security architecture and risk assurance across technology initiatives in Malaysia. You will identify information security risks early, assess them consistently and ensure they are managed throughout the system lifecycle, acting as a trusted advisor to IT, Telco Networks and Enterprise stakeholders.

You will apply Zero Trust principles, lead threat modelling, review security controls, and drive governance,

Qualifications

• Degree or Diploma in Information Technology, Computer Science, Engineering or a related field.
• At least 6 years of experience in security assessment, cybersecurity or related IT roles.
• Experience in systems security, network security, identity and access management or virtualization security.
• Strong capability in threat modelling and technology risk assessment, including evaluation of control effectiveness and recommendation of risk mitigation strategies.
• Ability to apply Zero Trust security architecture principles in complex enterprise environments.
• Strong ability to interpret security baselines and standards and translate them into practical architecture and control requirements.
• Experience validating system and solution designs against security and compliance requirements and recommending remediation for identified gaps.
• Experience in system integrator or consulting environments, including multi-client or complex delivery engagements, is an advantage.

Responsibilities

• Perform comprehensive information security risk assessments for new and existing systems, applications, infrastructure changes and third-party engagements.
• Assess design documents, architecture diagrams and technical controls to confirm that technology risks are identified and mitigated before go-live.
• Articulate and document residual risks, define appropriate compensating controls and support formal risk acceptance where required.
• Conduct project security reviews and provide security sign-off within the role's delegated authority.
• Review and validate security control designs across IT infrastructure, cloud environments, network security, IAM, data protection and application security.
• Apply recognised security frameworks and Zero Trust architecture principles to evaluate design decisions and recommend risk-based mitigations.
• Define, review and promote secure architecture and design patterns that enable consistent, scalable and risk-aligned controls.
• Validate systems and solution designs against security and compliance baselines, identify gaps and recommend remediation.

Skills

Security risk assessment

Security architecture

Threat modelling

Zero Trust

Regulatory compliance

Stakeholder communication

Independent remote collaboration

Security certifications

Education

Degree or Diploma in IT/related field

Job description

Singtel is seeking a Senior Information Security Specialist to provide independent security architecture and risk assurance across technology initiatives in Malaysia. You will identify information security risks early, assess them consistently and ensure they are managed throughout the system lifecycle, acting as a trusted advisor to IT, Telco Networks and Enterprise stakeholders.

You will apply Zero Trust principles, lead threat modelling, review security controls, and drive governance,