Tejas Networks | Principal Engineer

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:

Tejas Routing &MPLS (TJ-NEOS) group, which does in-house software architect design and development for various Routing and MPLS protocols catering for carrier-grade service provider networks and enterprise customer networks. Tejas is looking for a Technical Lead/Designer/Architect/Distinguish Technologist who can design and implement software in any of SR-MPLS, SR-TE, SR for OSPF/ISIS, BGP-SR, rLFA/tILFA, Micro Loop FRR protection, SR-EVPN, SRv6, LDP, PCE/PCEP, RTM, and Core BGP L3VPN/L2VPN/EVPN for various VPN services along with IP Multicast PIM, MRT, NGVPN, and P2MP Tunnel. Having data plane experience with Broadcom chips like Qumran and Jericho will be an added advantage.

Tejas Routing Team is Looking for enthusiastic people who can visualize, innovate, design write code and build router products that are conceptualized and architected from India for both the Indian and global markets.

Our mission is to revolutionize mobile network infrastructure by providing robust, scalable, and flexible Mobile Packet Core solutions that drive the future of telecommunications. We are committed to delivering cloud-native architectures that offer unmatched reliability, performance, and agility to support both current and next-generation mobile networks.

What You Work:

As a Principal Engineer you will be responsible for defining and driving the technical vision across projects, influencing architecture and engineering practices to align with organizational goals. You will provide expert guidance, mentor senior engineers, and lead the development of scalable, high-impact solutions.

Test Planning and Strategy:

• Develop comprehensive test plans and strategies aligned with project objectives and requirements.
• Identify testing scope, objectives, and deliverables.
• Collaborate with network architects, engineers, and developers to define test cases and scenarios.

L2 Switching Testing:

• Layer-2: MLAG/VPC, Spanning Tree, VLAN, IGMP, MLDP, ELPS, ERPS, ELPS, ERPS, CFM, Y1731

L3 Routing Testing:

• Layer-3: OSPF, ISIS, BGP, PIM (v4 and v6), DHCP, L3VPN, L2VPN, Segment Routing (V4, V6), Multicast, MVPN.

Test Environment Setup:

• Create and maintain realistic test environments that accurately replicate production network conditions.
• Configure routing and switching devices, servers, and other network components.
• Ensure test environments adhere to security and compliance standards.

Test Case Development:

• Develop and maintain a comprehensive suite of test cases covering various aspects of routing and switching functionality, performance, and security.
• Design test cases to validate network protocols, features, and configurations.
• Prioritize test cases based on risk and criticality.

Test Execution:

• Execute test cases manually or using automation tools.
• Document test results, defects, and anomalies.
• Retest resolved defects to ensure they have been fixed correctly.

Defect Management:

• Track and manage defects throughout the testing lifecycle.
• Work with development teams to resolve defects and ensure timely fixes.
• Prioritize defects based on severity and impact.
• Effective RCCA with End-to-End Automation.

Performance Testing:

• Conduct performance testing to assess network capacity, throughput, latency, and responsiveness under various load conditions.
• Identify performance bottlenecks and recommend optimizations.

Security Testing:

• Perform security testing to identify vulnerabilities and weaknesses in network infrastructure.
• Conduct vulnerability assessments and penetration testing.
• Ensure compliance with security standards and regulations.

Automation:

• Develop and implement test automation frameworks to improve efficiency and reduce manual effort.
• Create automated test scripts using tools like Python, Ansible, or Jenkins.
• Maintain and update automation scripts as needed.

Technical Leadership:

• Mentor and guide junior test engineers.
• Stay up-to-date with emerging network technologies and testing methodologies.
• Provide technical expertise and support to other teams within the organization.

Mandatory skills:

• Deep understanding of routing and switching protocols: BGP, OSPF, EIGRP, STP, etc.
• Knowledge of network hardware and software: routers, switches, firewalls, load balancers.
• Experience with network testing methodologies: Agile, Waterfall, etc.
• Proficiency in test automation tools: Python, Ansible, Jenkins.
• Understanding of network performance metrics: throughput, latency, jitter, packet loss.
• Familiarity with security testing concepts: vulnerability assessments, penetration testing.
• Networking Test Tools, monitoring and analysis tools: Hands-on experience with network testing tools and equipment, such as packet analyzers, network simulators, and traffic generators, Wireshark, NetFlow, SNMP.

Desired skills:

• Strong problem-solving and analytical skills: ability to identify and resolve complex network issues.
• Excellent communication and interpersonal skills: effective collaboration with diverse teams.
• Attention to detail and accuracy: meticulous in documenting test results and defects.
• Leadership and mentoring abilities: guiding and developing junior test engineers.
• Ability to work independently and as part of a team: adaptability to different work environments.
• Continuous learning mindset: staying updated with emerging network technologies and testing methodologies
• Certifications like CCIE (R&S) and/or JNCIE (SP) would be an added advantage.

Preferred Qualifications:

• Experience: 15+ years of experience from Telecommunication or Networking background.
• Education: B.Tech/BE/M.Tech/ME (CSE/ECE) or any other equivalent 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 colour, 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.