Lead Engineer, Software

Location: San Jose, CA, US

The SVT QA – SONiC NOS Test Engineer role is designed for a highly motivated QA professional with 7–12 years of hands‑on experience in testing network operating systems (NOS). The ideal candidate will possess strong expertise in functional, system, and performance testing across the full software development lifecycle, particularly within Layer 2/L3 protocols such as VLAN, STP, BGP, OSPF, and EVPN‑VXLAN.

Responsibilities include developing comprehensive test strategies, executing complex test plans, performing system‑level and interoperability testing, and automating test cases using Python integrated with CI/CD pipelines. Experience with traffic generators like Ixia or Spirent is required, and exposure to GenAI is a plus. Strong communication, collaboration skills, and relevant networking certifications (e.g., CCNA, JNCIP) are also preferred, along with a degree in Computer Science, Electronics, or a related technical field.

• Strong understanding of Network Operating Systems (NOS), particularly SONiC
• Expertise in functional, integration, regression, and performance testing
• Proficient in Layer 2/3 networking protocols (e.g., VLAN, BGP, OSPF, EVPN‑VXLAN)
• Skilled in designing and executing complex test strategies and test plans
• Hands‑on experience with test automation using Python and integration with CI/CD pipelines
• Familiarity with network traffic generators such as Ixia and Spirent
• Experience with system‑level testing for stability, scalability, high availability, and fault tolerance
• Ability to build and manage test topologies for real‑world simulation and interoperability testing
• Strong analytical and troubleshooting skills with detailed bug reporting
• Excellent communication and collaboration skills
• Passion for continuous learning and technical skill development
• Relevant certifications (e.g., CCNA, JNCIP) are highly desirable
• Exposure to GenAI tools and technologies is a plus

• Bachelor’s or Master’s degree in Computer Science, Electronics, or a related technical field
• 7–12 years of hands‑on experience in QA or test engineering, specifically within networking products
• Proven experience in end‑to‑end software development lifecycle with a focus on QA and system testing
• Deep understanding of Layer 2/3 networking protocols (e.g., VLAN, STP, BGP, OSPF, EVPN‑VXLAN)
• Strong proficiency in developing and executing test strategies, plans, and cases
• Hands‑on experience with test automation development using Python
• Familiarity with integrating automated tests into CI/CD pipelines
• Experience with system‑level and performance testing (stability, HA, fault tolerance)
• Proficient with network traffic generators like Ixia or Spirent
• Strong written and verbal communication skills
• Ability to collaborate effectively with cross‑functional engineering teams
• Exposure to GenAI technologies is a plus

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: $90k–$134k Annually

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.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
Celestica's policy on equal employment opportunity prohibits discrimination based on race, color, creed, religion, national origin, gender, sexual orientation, gender identity, age, marital status, veteran or disability status, or other characteristics protected by law.
This policy applies to hiring, promotion, discharge, pay, fringe benefits, job training, classification, referral and other aspects of employment and also states that retaliation against a person who files a charge of discrimination, participates in a discrimination proceeding, or otherwise opposes an unlawful employment practice will not be tolerated. All information will be kept confidential according to EEO guidelines.

Nearest Major Market: San Jose

Nearest Secondary Market: Palo Alto

This location is a US ITAR facility and these positions will involve the release of export controlled goods either directly to employees or through the employee's movement within the facility. As such, Celestica will require necessary information from all applicants upon an applicant's acceptance of employment to determine if any export control exemptions or licenses must be filed.