Lead Engineer - Wireless Network Deployment

About Us:

Tejas Networks is a global broadband, optical and wireless networking company, with a focus on technology, innovation and R&D. We design and manufacture high-performance wireline and wireless networking products for telecommunications service providers, internet service providers, utilities, defence and government entities in over 75 countries. Tejas has an extensive portfolio of leading-edge telecom products for building end-to-end telecom networks based on the latest technologies and global standards with IPR ownership. We are a part of the Tata Group, with Panatone Finvest Ltd. (a subsidiary of Tata Sons Pvt. Ltd.) being the majority shareholder.

Tejas has a rich portfolio of patents and has shipped more than 900,000 systems across the globe with an uptime of 99.999%. Our product portfolio encompasses wireless technologies (4G/5G based on 3GPP and O-RAN standards), fiber broadband (GPON/XGS-PON), carrier-grade optical transmission (DWDM/OTN), packet switching and routing (Ethernet, PTN, IP/MPLS) and Direct-to-Mobile and Satellite-IoT communication platforms. Our unified network management suite simplifies network deployments and service implementation across all our products with advanced capabilities for predictive fault detection and resolution. As an R&D-driven company, we recognize that human intelligence is a core asset that drives the organization's long-term success. Over 60% of our employees are in R&D, we are reshaping telecom networks, one innovation at a time.

Why Join Tejas:

We are on a journey to connect the world with some of the most innovative products and solutions in the wireless and wireline optical networking domains. Would you like to be part of this journey and do something truly meaningful Challenge yourself by working in Tejas fast-paced, autonomous learning environment and see your output and contributions become a part of live products worldwide.

At Tejas, you will have the unique opportunity to work with cutting-edge technologies, alongside some of the industry's brightest minds. From 5G to DWDM/ OTN, Switching and Routing, we work on technologies and solutions that create a connected society. Our solutions power over 500 networks across 75+ countries worldwide, and we're constantly pushing boundaries to achieve more. If you thrive on taking ownership, have a passion for learning and enjoy challenging the status quo, we want to hear from you!

Who We Are:

The team is responsible for ensuring the network's overall health, focusing on stability, KPIs, and performance in collaboration with all stakeholders. Leveraging their technical expertise, they effectively guide stakeholders and address issues across various domains, including product, network deployment, service, and performance. As a liaison between external and internal parties, the team facilitates issue resolution, gathers and implements requirements, and ensures that software deliveries and upgrades align with operator needs. Additionally, they help in proof-of-concept (POC) initiatives and other demonstrations.

What You Work:

As a Lead Engineer you will be responsible for driving technical projects, managing resources effectively, balancing team workloads. Ensuring the network's overall health, focusing on stability, KPIs, and performance in collaboration with all stakeholders, and mentor junior engineers to ensure productivity and skill development.

• 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

Mandatory skills:

• 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

Desired skills:

• Telecom knowledge on NMS/EMS/OSS is desired
• Working experience in Linux environment is expected
• Good exposure to scripting languages including python desired

Preferred Qualifications:

• Experience: 8-12 years of experience in Telecomm/Networking Industry.
• Education: BE/B.Tech./M.Tech (EC/EE/CS) Degree.

Diversity and Inclusion Statement:

• Tejas Networks is an equal opportunity employer. We celebrate diversity and are committed to creating all-inclusive environment for all employees.
• We welcome applicants of all backgrounds regardless of race color, religion, gender, sexual orientation, age or veteran status.
• Our goal is to build a workforce that reflects the diverse communities we serve and to ensure every employee feels valued and respected.