Senior Engineer

2 days ago

Singapore StarHub Full time

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. Qualifications

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.

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