Tejas Networks - Lead/Staff Engineer - Wireless 4G/5G Operations (5-9 yrs)

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 :

- This team works on developing new tools & apps to solve the field issues and an extended support for EMS/NMS development & test teams.

- Develop generic automation framework that can be used by everyone and extendable to future requirements.

What you work :

- We continuously enhance our network management solutions by adding support for more technologies - L3, Wireless etc. and features & keeping it compliant to newer standards & architectures.

- We are also working on evolving the architecture of our products to make it more scalable and deployable in clouds using newer technologies like containers, micro-services architecture & elasticity of cloud computing etc.

- As a team-member you'll work closely with multiple functions like PLM, Node Design, System Engineering, CTO office to understand new features, it's manageability & usage in telecom service provider networks.

- You will have end-to-end ownership of multiple features & will be involved in the entire life cycle of the features, starting from conceptualization, requirements, design, development, testing & verification by PV team, to see it deployed in the real customer networks.

- Each team-member focuses on a particular technology like MPLS-TP or DWDM to understand it's nuances and design the features keeping in view of multiple factors like - manageability, unified management across layered networks, extensibility, scalability, backward compatibility etc.

- You also get opportunity to work with the customers for requirement gathering, use-case scenarios, get feedback & support delivered features.

- You will also help in integration of these features into Service provider's OSS products & SDN Orchestrators like HP TEMIP, Granite, Oracle Metasolv, Cisco NSO etc.

- You will have ownership to develop test cases primarily for eNodeB functionalities to meet customer requirements complying to 3GPP standard.

- Analyze the use cases/requirements for LTE related requests from customer and deployment engineers.

- Augment tests with feedback from Customer deployments.

- Analyze the field queries and give the solutions.

- Log analysis, Performance, Capacity and Soak testing.

- Raising bugs and getting the issues fixed in co-ordination with development team.

Mandatory skills :

- Working experience in LTE/4G enodeB verification cycle by validating 3GPP protocols, call flow, end to end traffic throughput requirements.

- Deep working knowledge Wireless Packet Core Standards testing, IETF Standards, VoLTE, IMS server, EPC core, RRH, Handover testing.

- EMS/NMS application testing experience.

- Candidate should have good coding skills in Java.

- Candidate should have automation experience with Java or python.

Desired skills :

- Should have work experience in eNodeB/gNodeB/UE L1 SW development.

- Familiar with any RAN Platform architecture, L1 Schedulers.

- Should be familiar with air interface, S1AP, Mobility and LTE stack.

- Should have good Debugging and Troubleshooting and log analysis skills.

Preferred Qualifications :

Experience : 5 to 9 years' experience from Telecommunication or Networking background.

Education : B.Tech/BE/ M.Tech (CSE/ECE/EEE/IS) or any other equivalent degree.

- Candidate should have automation experience with Java or python.

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.