Perform Operation and Administration support for 4G/5G Mobile Core nodes (SMSC/SMSGW/MNP/STP/SMSF/VAS services) to ensure smooth network operation.
Perform system maintenance activities, such as system release upgrade and patch installation to improve system performance.
Develop and review system operations processes and maintain operational documents to ensure operation effectiveness.
Perform system Security Hardening, Vulnerability Assessment and implementing the necessary correction / process to address / mitigate security risks.
Perform proactive monitoring of network service KPI/alarms and performance analysis to ensure service quality level.
Perform troubleshooting of local/ roaming sms issue or Roaming partners related testing and support
Lasie with content provider on connectivity and related work.
Appropriate qualification in Electronics/ Communications/ Networking or equivalent
Good technical knowledge of Mobile 4G &5G Core network and related service /call flows and associated protocols (SS7/Sigtran/Diameter/SIP)
Ability to perform end-to-end network service troubleshooting.
Working knowledge of Network and Application Securities
Basic knowledge of IP switching and routing protocols
Basic proficiency in programming and scripting skills
Basic knowledge of Linux and VM platform
Required to work during late night maintenance window period for release upgrade/software patch installation and project cutover.

StarHub is a leading homegrown Singapore company that delivers world-class communications, entertainment, and digital services. With our extensive fibre and wireless infrastructure and global partnerships, we bring to people, homes and enterprises quality mobile and fixed services, a broad suite of premium content, and a diverse range of communication solutions. We develop and deliver solutions incorporating artificial intelligence, cybersecurity, data analytics, Internet of Things, and robotics for corporate and government clients.
StarHub is committed to conducting our business sustainably and responsibly. StarHub is named among TIME’s World’s Most Sustainable Companies 2025 and ranked as the world’s most sustainable wireless telecommunication provider on the Corporate Knights Global 100 (2025). StarHub also ranks 187 on the FORTUNE Southeast Asia 500 in 2025. Listed on the Singapore Exchange mainboard, StarHub is a component stock of the SGX iEdge Singapore Low Carbon Index, iEdge-OCBC Singapore Low Carbon Select 50 Capped Index; as well as the FTSE4Good Index series.
Visit www.starhub.com for more information.