Network Deployment
1 month ago
About Tejas Networks
Tejas Networks is an R&D-driven organization focused on being at the forefront of technological advancements in the field of telecommunications. With an R&D team comprising of more than 50% of the organization strength, we have continued to invest in the development of new product capabilities. Our products include carrier-grade optical transmission (based on DWDM/PTN/OTN technologies), fiber broadband (based on GPON/NG-PON), broadband wireless (based on LTE 4G/5G) as well as multi-gigabit Ethernet/IP switching and routing products that are fully designed and manufactured in India…a true pioneer of “Make in India” initiative.
Tejas is one of the leading innovators in India’s ICT sector with over 349 patents and a large repository of 280+ semiconductor IPs. Tejas is actively contributing to global 5G standards through its work in India’s telecom standards organization (TSDSI). All this has been done with an energetic & dedicated team of engineers, for whom no problem is unsolvable.
Responsibilities
Go to person for 4G/5G specification understanding, end to end call flows, NAS procedures, handover procedures, interworking call flows and service flows
Go to person for 4G/5G core network, IMS core and VoLTE & other service understanding
Go to person for supporting network planning, network deployment, IP planning and network optimization
Shall have understanding of L2/L3 transport network used in the network deployment
Shall have complete understanding of 4G (eNB)/5G(gNB), specifications, protocol layers and call flows
Go to person for debugging and providing solutions for network, deployment, service level and product level issues
Shall have complete understanding of RAN product portfolio and management system
Interfacing with customer, field and other external stake holders in the network deployment
Understanding and deriving customer & field requirements and coordinating with internal teams
Prioritization of requirements and bug fixes for software delivery
Supporting system configuration planning & optimization and LMS preparation
Field support
Analysis of DT logs, traces for debugging of the field issues
Supporting AT, System validation, POCs and Demos
Supporting IOTs with other vendor RAN nodes and core networks
Raising bugs and getting the issues fixed in co-ordination with development team
Experience / Skill Required
Around 8-20 years of experience with BE/B.Tech./M.Tech. (EC/EE/CS) Degree.
Good understanding 4G/5G 3GPP specifications and fair understanding of 2G/3G specifications
Good understanding of 4G/5G core network and IMS core
Good understanding of end-to-end call flows, NAS procedures, handover procedures, interworking procedures and service flows
Good understanding of VoLTE service and CS services
Good understanding of end-to-end 4G/5G network deployments with more focus on RAN deployment, network planning and network optimization
Good understanding system parameter planning & optimization including handover parameter planning & LMS planning
Good working exposure to 4G/5G RAN products including RRHs. Exposure to handling product related issues
Exposure to interworking with OEM core products
Strong working experience in 4G eNB/5G (gNB) including protocols, call flows, end to end traffic throughput requirements
Strong debugging skills to analyze network level issues, network deployment issues, service issues and RAN issues at each layer (L3/L2/L1)
Strong debugging & troubleshooting and log analysis skills
Good working exposure to FCAPS and KPI analysis
Good understanding network protocols, IP planning and IETF standards
Good exposure to DT tools like XCAL/Spirent/TEMS/QXDM and DT log analysis
Experience with Test Equipment & Tools like Aeroflex, IXIA, Wireshark, ethereal, Noise emulator is desired
Telecom knowledge on NMS/EMS/OSS is desired
Working experience in Linux environment is expected
Good exposure to scripting languages including python desired
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