Evolved Packet Core R&D Hiring- System Testing
2 weeks ago
Job Requirements
Self-starter who likes debugging complex issues and takes pride in finding issues on the device under test
In-depth knowledge of LTE and 5G Core(SMF/UPF) domain
Thorough understanding of 3GPP specs covering S1AP, NAS, GTPv1, GTPv2 ,HTTP2 , PFCP protocols
Strong skills on IP, TCP, K8s, container and dockers.
Good working knowledge of Gx, Gy and Gz
Good working knowledge of PCRF, OCS and diameter based charging and policy control
Hands on work experience of testing SMF,SGW, PGW and SAEGW
Hands on experience in using test tools including but not limited too
UE and Core Node Simulators like Spirent Landslide, EAST and NG4To
Application traffic generators like iPerf, IxLoad etc
Knowledge of message flows and parameters used in the messages for LTE procedures
Understanding of latest LTE Release features like NB-IoT, 5G
Good understanding of open stack and container based virtualized environments
Good understanding of Network Function Virtualization concepts
Good understanding and working experience with scripting languages like Python and Tcl to write and debug scripts
Key Responsibilities
Job Requirements
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