Senior Engineer/ Engineer (Mobile Core Operation, SMSC/ STP/ SMSF/ VAS)

Starhub

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Job Summary

Salary
S$5,250 - S$7,500 / Monthly EST

Job Type
-

Seniority

Senior

Years of Experience
Information not provided

Tech Stacks
Linux

Job Description

Job Description

Purpose:

Provide technical and operational support for 4G/5G Mobile Core nodes (SMSC/SMSGW/MNP/STP/SMSF/VAS services) and International Roaming related service support.

Responsibilities:

Perform daily operation and administration of 4G/5G Mobile Core nodes (SMSC/SMSGW/MNP/STP/SMSF/VAS services) and ensure smooth network operation
Carry out system maintenance activities eg patch installation to improve system performance, system release upgrade
Develop and review system operations processes, and update operational documents to ensure operation effectiveness
Perform system security hardening, vulnerability assessment, and implement the necessary corrections/ processes to mitigate security risks
Perform proactive monitoring of network service KPIs/ alarms and performance analysis to ensure service quality level
Perform troubleshooting and testing of local and roaming SMS with contents providers and roaming partners

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 knowledge of Linux and VM
Basic proficiency in programming and scripting skills
Willing to perform late night maintenance during maintenance window period for release/ upgrade/ software patch installation and project cutover

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