Senior Staff Engineer, Systems/Applications Design

Senior Staff Engineer, Systems/Applications Design

Date: May 28, 2026

Location: San Jose, NH, US

Company: Celestica International LP

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.

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, Installation Guides, User manual, Troubleshooting Guides. 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.

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.

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.