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4-5G 3GPP Dev+Test Platform

4G/5G UE/RAN/Core IMS/IoT/D2D Training and Excellence

Current Requirements - Apply Here

1. C++/Linux/LTE Developers (2+ Yrs)

  • Must have: Hands-on experience in LTE Access stratum protocols (MAC, RRC, RLC, and PDCP).
  • Solid knowledge of LTE Access Stratum protocol layers and procedures required.
  • Prior experience in leading LTE feature design and development required
  • Has strong hands-on experience in C programming language
  • Development and testing in Unix/Linux environment
  • Knowledge of development and debugging tools required
  • Knowledge of multi-thread programming required.
  • Exposure to Agile methodologies in software development is a plus
  • Exposure to configuration management tools such as Clearcase/ Git

.2. LTE/NR Modem Testing Engineers

   Good knowledge of Physical, transport and Logical Channels and bearers
   Good knowledge of L3 RRC/NAS Messages and IE's and call flows
   Good Knowledge of L2 Messages and IE and their procedures; Good knowledge of L1 DCI Messages
   Good knowledge of L2(MAC-RLC-PDCP)/L3 Log analysis wrt IE's validity in QXDM tool and troubleshooting
   Good knowledge of Test case writing with respect to 3GPP Specification
   Python script writing for some test cases and automating that. Automation Framework knowledge is advantage

2a. LTE/NR RAN Testing Engineers

   Good knowledge of Physical, transport and Logical Channels and bearers
   Good knowledge of L3 RRC/S1/X2/NGAP/Xn Messages and IE's and call flows
   Good Knowledge of L2 Messages and IE and their procedures; Good knowledge of L1 DCI Messages
   Good knowledge of L2/L3 Log analysis wrt IE's validity in QXDM tool and troubleshooting
   Good knowledge of Test case writing with respect to 3GPP Specification
   Python script writing for some test cases and automating that. Automation Framework knowledge is advantage

3. LTE/NRCore Testing Engineers

   Good knowledge of 4G-MME/PGW/PCRF/HHS or 5G-AMF/SMF/AUTH/UPF/NNSF/UDF nodes
   Good knowledge of L3 NAS/NGAP/GTP/Diameter Messages and IE's and call flows
   Good Knowledge of AMF and SMF and UPF Messages and IE and their procedures; 
   Good knowledge of GTP/Diameter/NAS Log analysis wrt IE's validity in Wireshark tool and troubleshooting
   Good knowledge of Test case writing with respect to 3GPP Specification
   Python script writing for some test cases and automating that. Automation Framework knowledge is advantage

4. SIP/SDP/IMS  VoIP Testing Engineers

   Good knowledge of USER-Agent-Client and User-Agent-Server concepts wrt RFC3261
   Good knowledge of IMS Architecture, each IMS nodes functions and messages
   Good Knowledge of SIP/SDP, RTP/RTCP, SIP/ISC, Diameter Protocols and Call flow/ Procedures
   Good knowledge of GTP/Diameter/NAS Log analysis wrt IE's validity in Wireshark tool and troubleshooting
   Good knowledge of Test case writing with respect to 3GPP Specification
   Python script writing for some test cases and automating that. Automation Framework knowledge is advantage

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