Lead Engineer, Software

Celestica; Chennai District; On-site; INR 2,200,000 - 3,500,000; Full time

Job summary

Celestica in Chennai is seeking an experienced Individual Contributor to own the full NOS lifecycle, from bring-up on new hardware to the development and sustenance of advanced networking features.

You will work on the core networking stack, developing high-performance, robust, and scalable solutions, collaborating with cross-functional teams to deliver for customers.

Qualifications

• Minimum 2 years of relevant experience as an Individual Contributor in networking.
• Proficient in C, C++, Python, and Go.
• Deep knowledge of L2/L3 protocols (OSPF, BGP) and technologies like MPLS, VXLAN, QoS.
• Strong experience with network management protocols/APIs: SNMP, NETCONF/YANG, REST, gNMI, gRPC.
• Hands-on with Broadcom XGS/DNX NPUs; NOS development or sustenance is essential (SONiC NOS is a plus).
• Excellent collaboration and communication skills.

Responsibilities

• Lead NOS bring-up on new hardware platforms and develop Linux device drivers; ensure HA and stacking are robust.
• Develop and sustain NOS software for performance, reliability, and scalability; troubleshoot field issues.
• Drive Layer 2/3 protocol development; optimize routing and related features.
• Implement and maintain management interfaces such as SNMP, NETCONF/YANG, REST, gNMI, and gRPC.
• Integrate with Broadcom XGS/DNX NPUs; leverage Marvell Innovium/Prestera as a plus.
• Collaborate with QA, other engineering teams, and customer-facing teams to ensure successful delivery.

Skills

C

C++

Python

Go

OSPF

BGP

MPLS

VXLAN

QoS

SNMP

NETCONF/YANG

REST/gNMI

gRPC

Broadcom XGS/DNX NPUs

SONiC NOS

NOS development

Collaboration

Education

Bachelor's degree

Tools

Linux

Linux device drivers

Job description

Summary

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.

Req ID: 128274

Remote Position: No

Region: Asia

Country: India

State/Province: Chennai

City: Guindy, Chennai

Summary

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.

Detailed Description

Key Responsibilities

• 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. Ensure system-level features such as High Availability (HA) and Stacking are robust and performant.
• 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. That may need expertise in routing protocols such as OSPF and BGP, as well as other key technologies like MPLS, VXLAN, and QoS. (May not be all the protocols mentioned here)
• Management & Control Plane: Implement and sustain management interfaces and protocols, including SNMP, NETCONF/YANG, REST, CLI, gNMI, and gRPC, to enable seamless integration with network management systems. (May not be all the protocols mentioned here)
• ASIC/NPU Integration: 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.

Knowledge/Skills/Competencies

• 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., OSPF, BGP).
• Proven experience with MPLS, VXLAN, and QoS.
• Management Protocols: Strong understanding and practical experience with network management protocols and APIs (SNMP, NETCONF/YANG, REST, gNMI, gRPC).
• ASICs: 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.
• Soft Skills:
• Excellent inter-working and collaboration skills.
• Strong written and verbal communication.
• Ability to work effectively with multiple functional teams and customer-facing organizations.

Physical Demands

• 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.) are frequently required.
• Occasional travel may be required.

Typical Experience

• 6+ years

Typical Education

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

Notes

This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.

Celestica is an equal opportunity employer. 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).

At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Special arrangements can be made for candidates who need it throughout the hiring process. Please indicate your needs and we will work with you to meet them.

Company Overview

Celestica (NYSE, TSX: CLS) enables the world’s best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. 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. Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers.