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Job details
Qualification
Bachelor's (Engineering)
Job ID
370
Job description
Tejas wireless team has developed high-capacity LTE macro eNodeB, 5G NR gNodeB along with Radio Units as part of end-to-end integrated solutions to their customers. Our systems are already deployed in customer’s commercial network and engineers are working on to enhance the capacity and improve system level performance. Tejas Networks has invested in Wireless product development since 2012 with a vision to create globally deployable telecom RAN solutions. Several of the key components developed by the Wireless R&D team have been installed and commissioned across three continents. We are an active partner for 5G in the Indian Ecosystem and have significantly contributed to India’s standardization efforts in 3GPP, through TSDSI. The wireless team has over 100 patents. As part of the wireless team, you will work on developing products for the next generation of wireless systems.
Responsibilities
Drive end-to-end system integration activities across 4G and 5G releases, ensuring alignment with product roadmap
Analyze and translate system and feature requirements into integration strategy, scope, and phased validation plans
Lead cross-functional collaboration with software, hardware, verification, and field teams for seamless integration
Own creation, execution, and optimization of integration and system-level test strategies
Identify and resolve complex cross-domain system issues, driving root cause analysis and closure across teams
Define and influence verification and field-testing scope, ensuring end-to-end system readiness
Support customer use cases, field escalations, and delivery roadmap decisions with technical insights
Ensure tracking and governance of integration issues, risks, and dependencies with proactive escalation management
Mentor engineers, review test strategies and artifacts, and establish best practices for integration and validation
Mandatory Skills
Working in 4G/5G eNB/gNB product with strong involvement in integrating L1, L2, L3 & OAM components as a SIT feature/maintenance release.
System Integration testing: Hands-on experience in
o End to End testing on 4G/5G eNB/gNB elements. o Testing the Layer 1, 2 and 3 functionality and features. o Validating the functionality compliance to standards, specification and requirements o Verifying 3GPP call flows and scenarios o Using the simulator and emulator for network and traffic simulation (Preferred TM500/E500, Keysight, SIMNOVOUS, etc. o Analyzing logs, pcap (FAPI and FH Pcap analysis) and radio parameters analysis. o MAC, RLC and PDCP log analysis
Must have good knowledge and hands on experience on wireless and networking protocols
Exposure to RU/MU-MIMO and Integration with BBU.
Should have worked on Core Features like LA, Power control, Data Forwarding etc.
Creating test campaigns for positive and negative field scenarios, call models.
Strong log analysis and feature co-relation skills
Good experience in using the standard software version controller like GIT/GERRIT
Must have good knowledge in SDLC
Desired Skills
Good to have Core SIM knowledge to configure RAN and test.
Skills of continuous build integration and automation.
Hands on experience with Bash and Python scripting
Skills in automation and automation framework
Requirements
Experience: 7 to 10 yrs from Telecommunication or Networking background.
Education: B.Tech/BE (CSE/ECE) or any other equivalent degree
