[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Celestica jobs](https://jobs.opennash.com/companies/celestica/) · [Search jobs](/search/) Celestica · Guindy, Chennai, TN, IN # 10 - Staff Engineer, Software 1 Guindy, Chennai, TN, IN Remote Senior individual contributor Software Engineering Listed on Celestica’s official careers site. Listed as of October 19, 2026. Check that it is still open and apply there. [Apply on Celestica’s careers site →](https://careers.celestica.com/job/Guindy%2C-Chennai-10-Staff-Engineer%2C-Software-1-TN/1388897233/) [OpenNash Jobs](https://jobs.opennash.com/) / [Celestica](https://jobs.opennash.com/companies/celestica/) / 10 - Staff Engineer, Software 1 ## Job description ### Req ID 129994 Remote Position: No Region: Asia Country: India State/Province: Chennai City: Guindy, Chennai Summary We are seeking a Senior Staff /Staff Engineer, Networking to join our Sonic NOS/SDK team. This is a senior-level, Individual contributor position focused on the development and sustenance of Network Operating Systems(NOS) for white-box switching platforms. The ideal candidate has a strong background in NOS architecture, L2/L3 protocol development, ASIC integration, and programming in C/C++. This is a pure individual contributor (IC) role. You’ll collaborate with global engineering teams and work at the forefront of NOS software design, enabling advanced networking solutions for data center and enterprise environments. Detailed Description - Should have a strong command over "C" programming language/C++ and must have executed projects in it. - Should have a solid exposure of programming ASICs (Broadcom, Marvell, Innovium, P4) and must have done projects around it. - Should have a very good knowledge of Linux kernel from a networking perspective. - Exposure to ebtables/iptables preferred. - Must have a good understanding of configuration management technologies and streaming telemetry technologies. - Must have good communication skills and be willing to work in a multi-cultural and multi-regional high performance team. Knowledge/Skills/Competencies Technical Core ### NOS Development or Sustenance NOS Experience - o SONiC (preferred), Cisco IOS, Juniper JUNOS, Arista EOS or like ### Layer-2 Protocols - STP, LLDP, LACP, etc... ### Layer-3 - BGP, OSPF, IS-IS, EVPN/VXLAN, MPLS, etc... - Programming Languages - Strong proficiency in C/C++ o Python/bash/go Lang (Good to have skills) - ASIC/Hardware Experience - Familiarity with Broadcom (DNX/XGS), Marvell, or similar ASICs - Experience working on hardware-software integration for networking products ### Engineering Execution - Ability to independently design, code, debug, and validate complex NOS features - Hands-on experience with Linux networking subsystems Team Collaboration - Ability to work with geographically distributed teams - Strong written and verbal communication skills in a technical engineering context 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 14+ years Typical Education Bachelor degree or consideration of an equivalent combination of education and experience. Educational Requirements may vary by Geography 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. Celestica would like to thank all applicants, however, only qualified applicants will be contacted. Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 7 days - Location: Guindy, Chennai, TN, IN - Work arrangement: Remote[Apply on Celestica’s careers site →](https://careers.celestica.com/job/Guindy%2C-Chennai-10-Staff-Engineer%2C-Software-1-TN/1388897233/) ## More jobs at Celestica ### [Infrastructure DevOps Specialist](https://jobs.opennash.com/companies/celestica/jobs/a7aa7211865678d9314c/) Guindy, Chennai, TN, IN ### [SONiC Networking SW Developer](https://jobs.opennash.com/companies/celestica/jobs/a59897a379c5f099cee3/) Guindy, Chennai, TN, IN ### [Senior Staff Engineer, Software](https://jobs.opennash.com/companies/celestica/jobs/6abfa23ca30c72f4ed24/) Guindy, Chennai, TN, IN ### [ServiceNow IT Asset Manager (Software and Hardware)](https://jobs.opennash.com/companies/celestica/jobs/5a3a7521095e60230021/) Guindy, Chennai, TN, IN ### [Storage Firmware Engineer (NVMe, SATA, SSD)](https://jobs.opennash.com/companies/celestica/jobs/81d7acea42a183cab8fc/) Guindy, Chennai, TN, IN ## Similar jobs at other companies ### [Staff Software Engineer](https://jobs.opennash.com/companies/cardinal-health/jobs/b6243cd6f09fc50fb446/) Cardinal Health · International ### [Software Engineer Staff](https://jobs.opennash.com/companies/lockheed-martin/jobs/d9130252972e507de227/) Lockheed Martin · Littleton, CO ### [Software Engineer Staff - E4](https://jobs.opennash.com/companies/lockheed-martin/jobs/908af81cfa4d89f7ce8a/) Lockheed Martin · Orlando, FL ### [Staff Software Engineer](https://jobs.opennash.com/companies/jones-lang-lasalle/jobs/0073e773eeb811935866/) Jones Lang LaSalle · Chicago, IL OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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