Senior Engineer

2 weeks ago

Singapore StarHub Full time

Job Description Join us as a Senior Engineer (Mobile Core Operations)at StarHub . Perform Operation and Administration support for 4G/5G Mobile Core nodes (SMSC/SMSGW/MNP/STP/SMSF/VAS services) to ensure smooth network operation. Key responsibilities include: 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. Collaborate 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. We are an equal opportunities employer and welcome applications from all qualified candidates. #J-18808-Ljbffr

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