Overview
Engineer, Mobile Security Operations
Date: 8 Jul 2026
Location:
Singapore, Singapore
Company:
Singtel Group
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”.
- Responsible for supporting the daily operation of Mobile Network Security system.
- Install, configure, troubleshoot, and maintain security systems.
- Identifying potential vulnerabilities and implementing security measures
- Maintaining up-to-date knowledge of the latest cyber threats, vulnerabilities, and security systems
- Support Networks audits to ensure that systems and networks are operating securely
- Work with all stakeholders to meet operation and cyber security requirements.
- Lead to conduct regular Network cybersecurity exercise.
- Activate and perform disaster recovery plan in times of service disruptions so as to minimize service downtime and revenue loss.
- Develop cybersecurity playbooks, business continuity plan and Incident Response plan.
- Responsible for coordinating Network Vulnerability Assessment and Penetration Testing(VAPT)
- Review and program manage the mitigation of VAPT findings.
- May require to work outside normal working hours to carry out upgrades and patch loading as such activities may disrupt services.
- Engage with vendor’s support to diagnose and rectify technical problems.
- Identifying automation use cases in the area of network security.
- System administrator for Mobile Security systems
- Provisioning and deprovisioning of Mobile network 2FA and PIAM accounts.
Skills for success:
- May require to work outside normal working hours
- Degree in Engineering majoring in Computer Science, IP networking or Telecommunications/Mobile Communication.
- Preference for those with certifications in Automation, Networking (i.e. CCNA/CCNP) & Network Security.
- Basic knowledge in Cybersecurity fundamentals, NIST cybersecurity framework.
- Basic knowledge in Linux Operating System.
- Ability to communicate and conduct presentation effectively in both verbal and written English.
- Positive attitude, eager to learn, critical thinking, problem solving skills, good team player and highly collaborative.
About Singtel
Headquartered in Singapore, Singtel has 140 years of operating experience and played a pivotal role in the country’s development as a major communications hub. Optus, our subsidiary in Australia, is a leader in integrated telecommunications, constantly raising the bar in innovative products and services.
We are also strategically invested in leading companies in Asia and Africa, including Bharti Airtel (India, South Asia and Africa), Telkomsel (Indonesia), Globe Telecom (the Philippines) and Advanced Info Service (Thailand). We work closely with our associates, leveraging our scale in networks, customer reach and extensive operational experience to lead and shape the communications industry.
Together, the Group serves over 700 million mobile customers around world. Singtel is one of the largest listed Singapore companies on the Singapore Exchange by market capitalisation.
The Group has a vast network of offices throughout Asia Pacific, Europe and the USA, and employs more than 23,000 staff worldwide.
