Remote Position: No

City: Guindy, Chennai

We are seeking a highly skilled and experienced Individual Contributor to join our team in Chennai. In this role, you will be responsible for the full lifecycle of our cutting-edge Network Operating System (NOS), from initial bring-up on new hardware platforms to the development and sustenance of advanced networking features. You will be a hands-on technical expert, working on the core of our networking stack and collaborating with cross-functional teams to deliver high-performance, robust, and scalable solutions for our customers.

Platform Bring-up & System Features: Lead the bring-up of our NOS on new hardware platforms, including the development and integration of Linux device drivers. NOS Development & Sustenance: Design, develop, and maintain software for our NOS, ensuring reliability, performance, and scalability. This includes troubleshooting and resolving complex issues in the field.

Network Stack Development: Drive the development of Layer 2 and Layer 3 networking protocols. Implement and sustain management interfaces and protocols, including SNMP, NETCONF/YANG, REST, CLI, gNMI, and gRPC, to enable seamless integration with network management systems. (Leverage your strong experience with Broadcom's XGS/DNX family of devices to develop and optimize software for high-performance packet forwarding. Experience with Marvell's Innovium/Prestera family is a plus.

Collaborative Teamwork: Work closely with other engineering teams, QA, and customer-facing teams to ensure the successful delivery and deployment of our products.

Experience: A minimum of 2 years of relevant experience as an Individual Contributor in a networking domain.

Programming Languages: Rich, hands-on experience with C, C++,



Python, and GoLang.

Networking Expertise:

In-depth knowledge of L2/L3 networking protocols (e.g., Proven experience with MPLS, VXLAN, and QoS.

Solid understanding and practical experience with network management protocols and APIs (SNMP, NETCONF/YANG, REST, gNMI, gRPC).

Solid working experience with network processor units (NPUs) from Broadcom (XGS/DNX family).

NOS Experience: Prior experience in Network Operating System (NOS) development or sustenance is essential. Experience with SONiC NOS is a significant advantage.

Duties of this position are performed in a normal office environment.

Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data.

Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) Occasional travel may be required.

Typical Experience

~Bachelor degree or consideration of an equivalent combination of education and experience.

All qualified applicants will receive consideration for employment and will not be discriminated against on any protected status (including race, religion, national origin, gender, sexual orientation, age, marital status, veteran or disability status or other characteristics protected by law).

Celestica (NYSE, TSX: CLS) enables the world's best brands. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development – from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud.

📌 Software Engineer - Full Time (Remote) (India)
🏢 Celestica
📍 India