Senior Cyber Security Engineer (Enterprise & Cloud)

Singapore Telecommunications Limited; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

Singtel is seeking a Senior Information Security Specialist in Singapore to support our cybersecurity ecosystem. You will work hands-on with security tooling, collaborate with IT teams, and ensure alignment with IT controls and regulatory requirements.

The role emphasizes continuous improvement, cost awareness, and stakeholder collaboration. You will be a subject matter expert for the technology stack, help uplift security posture, and drive secure deployments across on-prem and cloud

Qualifications

• Bachelor’s degree in computer science, cyber security, or related field.
• 3–6 years in cybersecurity, with at least 2 years in telco or enterprise IT.
• Hands-on design, admin or deployment of IT infrastructure with security hardening.
• Experience hosting apps on-prem and in AWS/Azure.
• IAM concepts like Active Directory and MFA.
• Strong analytical and communication skills.
• Teamwork and customer-service orientation.
• Knowledge of CIS Controls or other cybersecurity frameworks.
• Understanding of Change Management processes.

Responsibilities

• Support uptime of tools used by CISO Singtel Singapore Cyber Security Engineering.
• Collaborate with IT teams to deliver on time and on budget.
• Assess adequacy of technology stack against IT controls and policies.
• Validate effectiveness of security tools.
• Deploy new security tools and ensure cost-effectiveness.
• Document SOPs and ensure compliance with security standards.
• Engage vendors to diagnose and rectify technical problems.
• Provide SME guidance on managed technology stacks.

Skills

Cybersecurity experience

Telco security

IAM knowledge

Analytical skills

Communication skills

Teamwork

Education

Bachelor’s degree in computer science, Cyber Security, Computer Engineering, or related discipline

Job description

Singtel is seeking a Senior Information Security Specialist in Singapore to support our cybersecurity ecosystem. You will work hands-on with security tooling, collaborate with IT teams, and ensure alignment with IT controls and regulatory requirements.

The role emphasizes continuous improvement, cost awareness, and stakeholder collaboration. You will be a subject matter expert for the technology stack, help uplift security posture, and drive secure deployments across on-prem and cloud