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, defense 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 wireless team has developed high-capacity LTE macro eNodeB, 5G NR gNodeB along with Radio Units as part of end-to-end integrated solution 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 next generation wireless systems.

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.

Technical Leadership and Product Development: Drive product development across its lifecycle – from planning and requirement analysis to design, implementation, validation, verification, and field testing. Apply technical expertise to enhance system functionality and efficiency.
Feature Prioritization and Integration: Analyze and prioritize features within OAM sub-systems, ensuring phased and synchronized system delivery. Collaborate seamlessly with teams and partners for successful system integration and user acceptance testing.
Performance Enhancement and Quality Focus: Continuously refine system performance through innovative approaches. Deliver high-quality outcomes while upholding industry standards.
Innovation: Stay updated on industry trends, propose innovative solutions, and enhance OAM processes for network efficiency and quality.

Mandatory skills:
LTE Network Expertise: In-depth understanding of 4G LTE architecture, protocols, interfaces, and components to ensure smooth network operations.
OAM Protocols: Proficiency in OAM protocols, procedures, and tools for LTE networks, including fault management, configuration management, performance management, and security management. Knowledge of SNMP (Simple Network Management Protocol), TR-069 (Technical Report 069) for remote management, and various file transfer protocols such as FTP, SFTP, and cURL is a plus.
C/C++ Programming and Linux OS: Proficiency in C/C++ programming for developing and maintaining OAM-related software components and tools on Linux operating systems, encompassing process management, memory handling, file systems, and networking.
Threads, Sockets, and IPC: Experience with multithreading concepts, socket programming for efficient communication, and interposes communication (IPC) mechanisms in Linux for seamless collaboration between processes and components.
Troubleshooting and Network Monitoring: Strong analytical and problem-solving skills to diagnose and resolve network and software issues, utilizing network monitoring and management tools to proactively identify anomalies.
Communication Skills: Excellent written and verbal communication skills to collaborate with cross-functional teams and effectively communicate technical information.

Desired Skills:
Cloud and Virtualization : Understanding of cloud-based solutions and virtualization technologies as they relate to LTE networks.
Scripting and Automation: Proficiency in scripting languages (e.g., Python, Bash) for network automation and process optimization.
Authentication and Security : Solid knowledge of authentication mechanisms, encryption, and security protocols used in LTE networks.
OS Hardening: Knowledge of techniques and practices for securing and hardening operating systems to enhance network security and resilience.
Device Drivers: Understanding of device driver development and integration for hardware components within an LTE network infrastructure.

Preferred Qualifications:
Experience: 15+ yrs experience from Telecommunication or Networking background.
Education: B.Tech/BE (CSE/ECE) or any other equivalent degree.
Candidate should have good coding skills in C/C++.

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.