Senior Information Security Specialist

Singtel Group; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Singtel Singapore is seeking a Senior Information Security Specialist to support its cyber security ecosystem through hands-on execution. You will partner with business stakeholders to understand access requirements and align with security controls across the technology stack.

The role emphasizes uptime, collaboration with IT teams, and ongoing assessment of controls to balance security with business needs.

Qualifications

• Bachelor’s degree in computer science, Cyber Security, or related field.
• 3–6 years of experience with at least 2 years in cybersecurity in telco or enterprise IT.
• Experience with on-premises and cloud hosting (AWS/Azure) and IAM.

Responsibilities

• Support uptime of tools used by CISO Singtel Singapore Cyber Security Team.
• Collaborate with technical teams to ensure on-time, on-budget delivery.
• Assess technology stacks against IT controls, policies and regulatory obligations.
• Act as SME for assigned technology stacks and guide the team.
• Engage vendors and ensure project delivery methodologies are followed.

Skills

Analytical skills

Communication skills

Teamwork

Customer service oriented

Independent and goal-oriented

Education

Bachelor’s degree in Computer Science / Cyber Security / Computer Engineering

Tools

Active Directory

MFA configurations

AWS

Azure

IAM tooling

Job description

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An empowering career at Singtel begins with a Hello. Our purpose, to Empower Every Generation, connects people to the possibilities they need to excel. Every \"hello\" at Singtel opens doors to new initiatives, growth, and BIG possibilities that takes your career to new heights. So, when you say hello to us, you are really empowered to say…“Hello BIG Possibilities”.

Role Summary:

The Senior Information Security Specialist plays a key role in supporting Singtel Singapore Cyber Security ecosystem through hands-on technical execution. This role partners with business stakeholders to understand access requirements and ensure alignment with security controls.

The role involves

• Supporting and ensuring the uptime of tools used within CISO Singtel Singapore, Cyber Security Team.
• Collaborating with various technical teams in Singtel Singapore to ensure delivery of the outcome, on time and on budget.
• Assessing the adequacy and effectiveness of assigned technology stack(s) against related IT controls and policies, regulatory obligations, Singtel Group cybersecurity policies and principles while balancing business objectives as well.

How You will Make An Impact:

• Validate effectiveness of security tools managed by CISO Singtel Singapore, Cyber Security Engineering
• Supporting and ensuring adequacy of Cyber Security posture for security tools managed by CISO Singtel Singapore, Cyber Security Engineering
• Continuous review of current technology stack being managed is fit for use and cost effective.
• Deploy new technology stack managed by the team where applicable to ensure fit for us and cost effectiveness.
• Expand scope of various security systems such as but not limited to EDR, DAM, SIEM, SOAR, UEBA and Privileged Access Management where required to increase visibility of the tools
• Deliver new security tools to uplift overall security posture of Singtel Singapore
• Ensure that SOPs are documented, performed and in compliance with relevant security policies and standards
• Subject matter expert for assigned technology stack(s), providing guidance to the team on managing the technologies including optimizing performance and capacity.
• Work with stakeholders in IT and Enterprise to uplift coverage for assigned technology stack(s) where applicable
• Work with the various SMEs of the various security systems managed by Cyber Engineering or other technical SMEs to ensure delivery of outcomes including tracking of the tasks required to meet the outcome
• Engage relevant teams and/or vendors to diagnose and rectify technical problems where necessary
• Ensure documents or processes required as part of project delivery methodology is adhered to
• Support and provide inputs to design of technology stack(s) as subject matter expert so that it is fit-for-use, conforms to security best practices and is cost effective.

2 Customer Experience and Teamwork:

• Demonstrate professional, pro-active qualities in dealing with internal clients and stakeholders.
• Work with all stakeholders to meet operation and security requirements.
• Promote knowledge sharing, effective communication and teamwork with peers.
• Maintain strategic vendor partnerships, relevant education and certification.
• Complete relevant education and training as required.
• Keep abreast of relevant technology and cyber threat landscape.

Skills for Success:

• Bachelor’s degree in computer science, Cyber Security, Computer Engineering, or a related discipline
• A minimum of 3 to 6 years of relevant experience, with at least 2 years focused on cybersecurity in telco operations, network environments, or enterprise IT within the telecommunications domain including minimally 3 years hands-on experience in designing, administration or deployment of IT infrastructure components including implementing best practices like security hardening
• Experienced in application hosting and operations across both on-premises systems and multi-cloud environments including AWS and Azure
• Working IAM knowledge such as Active Directory, Multi-factor authentication
• Good analytical and communication skills
• Possess initiative with positive working attitudes and customer services oriented
• Strong teamwork, communication and interpersonal skills
• Independent and goal-oriented
• Have knowledge on CIS Controls or other Cyber Security frameworks.
• Good understanding of Change Management processes

Are you ready to say hello to BIG Possibilities?

Join Singtel to shape what's next and accelerate your career through meaningful work, continuous learning, and real impact.