Senior Staff Engineer, Systems/Applications Design

Celestica Inc.; United States; Remote; USD 100,000 - 130,000; Full time

Job summary

Celestica Inc. is seeking a Network Engineer for a remote position to contribute to customer experience by troubleshooting technical issues in networking, specifically focusing on SONiC related tasks. The ideal candidate will have extensive experience with networking protocols, customer interfacing, and writing technical documentation.

In this role, you will assist customers by understanding their network configurations and providing expert troubleshooting. The position may require travel up to 10% and working on weekends during North America and Europe working hours.

Qualifications

• 11 to 14 years of relevant experience.
• Ability to travel up to 10% of the time.
• Ability to work on weekends and holidays.

Responsibilities

• Troubleshoot and resolve customer technical issues.
• Engage with customers to understand their network topology.
• Participate in pre-sales activities.

Skills

SONiC network operating system

Network hardware design and troubleshooting

Networking protocols (BGP, OSPF, etc.)

Switching/Network Security/Routing architecture

Proficiency in Linux

Customer interface experience

Technical documentation writing

Scripting languages (Python, Go)

Education

Bachelor degree or equivalent

Tools

Networking hardware

Technical documentation tools

Job description

Date: May 28, 2026

Location: San Jose, NH, US

Summary

This is an exciting opportunity in Celestica’s Hardware Platform Solutions (HPS) to make a positive impact and be part of a rapid business growth in a dynamic environment. This individual contributor reports to the Customer Experience (CX) organization and will be empowered and responsible for troubleshooting and resolving customer technical issues arising from Customers' networking (primarily in Switching and Network Security), storages, servers software with a focus on SONiC related issues. The role is a technically hands-on one. The successful candidate will be an experienced technical support troubleshooter who has spent extensive amount of time successfully working on and resolving various technical issues, interfacing with customers, and managing escalations on mission-critical networks/operations. One who can be calm while working under pressure, and has strong operational experience to systemically and expediently drive issues/escalations resolutions.

The Network Engineer engages with customers to understand their topology and provides suggestions, answer questions, reviews configurations, troubleshoots issues. They are also expected to participate in pre-sales activities which include (but not limited to) assist Celestica’s Sales Engineers and Business Development teams. They are expected to have a complete understanding of networking protocols that are common in a Data Center, Enterprise and Campus scenarios, Author Application Notes or Field Alerts for consumption by the customers. Should be highly experienced in troubleshooting a wide array of network related issues. Must have an understanding of switch and router architecture. Travel requirements may be up to 10% of the time.

Detailed Description

• Experience on SONiC network operating system and FRR stack is required
• Experience in designing, configuring, troubleshooting, optimizing network hardware, topologies and deployments (DC/Enterprise/Campus) is required
• Deep understanding of networking concepts, architecture, topology (Places-In-Network), network protocols including but not limited to BGP, OSPF, ISIS, VXLAN, EVPN, IGMP, DHCP, BFD, VRF, Authentication (RADIUS/TACACS), Network Management protocols, NAT, Multicast, QoS (RoCE/DSCP), ACL, ZTP, Telemetry, Monitoring/Analytics is required
• Deep understanding of Switching/Network Security/Routing hardware architecture is required
• Proficiency in Linux is required
• Experience in C and scripting languages like Python/Go is a major plus
• Must have direct customer interface experience
• Must have experience is writing technical documentation (e.g.) Application Notes, FAQs,
• Ability to travel up to 10% of the time (both domestic and international)
• Ability to work on a rotation basis on weekends, holidays and during off business hours to coincide with North America and Europe working hours is required.

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

• 11 to 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.

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.

Location: This is a remote position, with travel as necessary. We are open to considering candidates close to any of our US locations in Massachusetts, Pennsylvania, Minnesota, Texas, Arizona, Oregon or California as well as locations near major airports such as the Northeast, Southeast, Midwest and Pacific Coast.