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:
In the rapidly evolving landscape of telecommunications, the development and optimization of Mobile Packet Core (MPC) solutions are critical for ensuring seamless, high-performance connectivity. Our team specializes in the design and implementation of cutting-edge Mobile Packet Core systems that support both 4G and 5G networks. Our solutions are cloud-native, highly available, and tailored to meet the demands of telco-scale operations, ensuring that our clients can deliver unparalleled service quality and innovation.
Our team is dedicated to pushing the boundaries of mobile network technology by developing Mobile Packet Core solutions that are not only advanced and reliable but also adaptable to the future of telecommunications. With a focus on cloud-native design, high availability, and scalability, we empower operators to deliver exceptional connectivity and services to their customers, now and into the future.
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 define and drive the technical vision across projects, influencing architecture and engineering practices to align with organizational goals. You'll provide expert guidance, mentor senior engineers, and lead the development of scalable, high-impact solutions.
Design and Development:
Our team architects and develops comprehensive Mobile Packet Core solutions that support both 4G LTE and 5G NR (New Radio) technologies. This includes the development of key components such as the Serving Gateway (SGW), PDN Gateway (PGW), and the User Plane Function (UPF) for 4G, as well as the Access and Mobility Management Function (AMF), Session Management Function (SMF), and User Plane Function (UPF) for 5G.
Cloud-Native Architecture: We design our solutions with a cloud-native approach, leveraging containerization, microservices, and orchestration technologies to ensure seamless scalability and manageability in dynamic cloud environments.
High Availability and Reliability:
Redundancy and Fault Tolerance: Our MPC solutions are built with high availability in mind, incorporating redundant components and failover mechanisms to ensure continuous operation and minimal service disruption.
Performance Optimization: We focus on optimizing performance to handle telco-scale traffic loads, ensuring low latency and high throughput to meet the demanding requirements of modern mobile networks.
Scalability:
Elastic Scaling: Our solutions are designed to scale elastically, accommodating varying traffic loads and network demands efficiently. This ensures that operators can adapt to changing conditions without compromising service quality.
Load Balancing: We implement advanced load balancing techniques to distribute traffic evenly across network resources, enhancing both performance and reliability.
Innovation and Integration:
New Technologies: We stay at the forefront of technological advancements, integrating emerging technologies such as Network Function Virtualization (NFV) and Software-Defined Networking (SDN) to enhance our solutions.
Interoperability: Our team ensures that our Mobile Packet Core solutions are interoperable with existing network elements and can be seamlessly integrated into diverse network environments.
Customer-Centric Approach:
Tailored Solutions: We work closely with our clients to understand their unique requirements and tailor our solutions to meet their specific needs.
Support and Training: We provide comprehensive support and training to help our clients effectively deploy, manage, and optimize our Mobile Packet Core solutions.
Mandatory skills:
Should be an expert in one or more of following areas
Cloud native technologies – Kubernetes, load balancing
5G Network functions – AMF, SMF, PCF, CHF, NEF etc
EPC functions – MME, PGW, SGW, CUPS
4G/5G handovers – N26
Desired skills:
Should have worked on User plane technologies
DPDK/VPP based forwarding
Intel DDP and Smart NIC’s
QoS, Charging and DPI etc
Preferred Qualifications:
Experience: 15 to 18 yrs from Telecommunication or Networking background.
Education: B.Tech/BE (CSE/ECE) or any other equivalent degree
Have architected EPC/5G Core and hands-on
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.

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