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