Network Deployment

1 week ago


Bengaluru, Karnataka, India Tejas Networks Full time

About Tejas NetworksTejas 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 flowsGo to person for 4G/5G core network, IMS core and VoLTE & other service understandingGo to person for supporting network planning, network deployment, IP planning and network optimizationShall have understanding of L2/L3 transport network used in the network deploymentShall have complete understanding of 4G (eNB)/5G(gNB), specifications, protocol layers and call flowsGo to person for debugging and providing solutions for network, deployment, service level and product level issuesShall have complete understanding of RAN product portfolio and management systemInterfacing with customer, field and other external stake holders in the network deploymentUnderstanding and deriving customer & field requirements and coordinating with internal teamsPrioritization of requirements and bug fixes for software deliverySupporting system configuration planning & optimization and LMS preparationField supportAnalysis of DT logs, traces for debugging of the field issuesSupporting AT, System validation, POCs and DemosSupporting IOTs with other vendor RAN nodes and core networksRaising 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 specificationsGood understanding of 4G/5G core network and IMS coreGood understanding of end-to-end call flows, NAS procedures, handover procedures, interworking procedures and service flowsGood understanding of VoLTE service and CS servicesGood understanding of end-to-end 4G/5G network deployments with more focus on RAN deployment, network planning and network optimizationGood understanding system parameter planning & optimization including handover parameter planning & LMS planningGood working exposure to 4G/5G RAN products including RRHs.

Exposure to handling product related issuesExposure to interworking with OEM core productsStrong working experience in 4G eNB/5G (gNB) including protocols, call flows, end to end traffic throughput requirementsStrong 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 skillsGood working exposure to FCAPS and KPI analysisGood understanding network protocols, IP planning and IETF standardsGood exposure to DT tools like XCAL/Spirent/TEMS/QXDM and DT log analysisExperience with Test Equipment & Tools like Aeroflex, IXIA, Wireshark, ethereal, Noise emulator is desiredTelecom knowledge on NMS/EMS/OSS is desiredWorking experience in Linux environment is expectedGood exposure to scripting languages including python desired
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