What are the responsibilities and job description for the Senior Staff Engineer, Software position at Celestica?
Req ID: 122360
Remote Position: No
Region: Americas
Country: USA
State/Province: California
City: San Jose
Summary
We are seeking a Staff Engineer, Networking to join our Sonic NOS HDK Vertical team. This is a senior-level, hands-on engineering 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.
Knowledge/Skills/Competencies
Technical Core
The salary range described in this posting is an estimate by the Company, and may change based on several factors, including by not limited to a change in the duties covered by the job posting, or the credentials, experience or geographic jurisdiction of the successful candidate. Salary Range: $128,607-200,520 Annually
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.
Remote Position: No
Region: Americas
Country: USA
State/Province: California
City: San Jose
Summary
We are seeking a Staff Engineer, Networking to join our Sonic NOS HDK Vertical team. This is a senior-level, hands-on engineering 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.
Knowledge/Skills/Competencies
Technical Core
- NOS Development or Sustenance
- SONiC (preferred)
- Cisco IOS, Juniper JUNOS, Arista EOS
- Any Tier 1 proprietary or Linux-based NOS
- L2/L3 Protocol Stack Development
- L2: STP, LLDP, LACP, etc…
- L3: BGP, OSPF, IS-IS, EVPN/VXLAN, MPLS, etc…
- Programming Languages
- Strong proficiency in C/C for embedded development
- Scripting in Python and Bash for automation and test support
- ASIC/Hardware Experience
- Familiarity with Broadcom (DNX/XGS), Marvell, or similar ASICs
- Experience working on hardware-software integration for networking products
- Ability to independently design, code, debug, and validate complex NOS features
- Hands-on experience with Linux networking subsystems
- Comfort working with distributed source control, CI/CD workflows, and embedded build environments
- Ability to work with geographically distributed teams (India, China, U.S.)
- Strong written and verbal communication skills in a technical engineering context
- Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or related field
- 13–16 years of experience in embedded networking software development (±3 years acceptable)
- Proven experience in Network Operating System development or sustenance
- Hands-on background in L2/L3 networking protocols and ASIC interaction
- Strong coding skills in C/C , with scripting experience in Python/Bash
- U.S. Citizenship or Permanent Residency (Green Card) required
- Direct experience with SONiC NOS
- Knowledge of open-source networking standards or AI-integrated systems
The salary range described in this posting is an estimate by the Company, and may change based on several factors, including by not limited to a change in the duties covered by the job posting, or the credentials, experience or geographic jurisdiction of the successful candidate. Salary Range: $128,607-200,520 Annually
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.
Salary : $128,607 - $200,520