IMSQE Lab Engineer

3 days ago


Bellevue, United States Zodiac Solutions, Inc Full time

Job functions:

· Support E2E validation of IMS solution, TAS, I/S-CSCF, BGCF software releases and features.

· Support IMS core Lab issue diagnoses, troubleshooting and resolution

· Execute and maintain the validation test plan.


Required knowledge/experience:

· 5+ year of Telecommunication networks and supporting Core products.

· Excellent knowledge/experience of IMS solution. Mainly TAS, I/S-CSCF and BGCF

· Strong knowledge of TCP/IP networking, TCP, UDP, SCTP, HTTP.

· Knowledge of Containers & Virtualization Network functions, CNF & VNFs.

· Previous experience of validating IMS E2E call flows.

· Interfaces: Sh, Cx, H.248, SIGTRAN

· Protocols: SIP, DIAMETER, HTTP, SS7, MAP

· Familiarity with UNIX, LINUX, Kubernetes, virtualization, and Cloud Native.

· Knowledge of protocol analysis, Wireshark, Netscout, tcpdump.


Preferred knowledge/experience:

· Experience with testing and troubleshooting on the Mavenir IMS TAS, CSCF and BGCF


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