Sr. Tech Support Engineer - Networking

Celestica; Richardson (TX); Remote; USD 130,000 - 160,000; Full time

Job summary

Join a forward-thinking company as a Network Engineer, where you will play a vital role in troubleshooting and resolving technical issues related to networking, storage, and servers. This hands-on position requires strong operational experience and the ability to remain calm under pressure. You will engage with customers, assist in pre-sales activities, and author test cases using programming languages like Python and Go. With the opportunity for travel and a focus on innovation, this role is perfect for those looking to make a significant impact in a dynamic environment.

Qualifications

• 10+ years of relevant experience in networking and technical support.
• Ability to write technical documentation and troubleshooting guides.

Responsibilities

• Troubleshoot and resolve customer technical issues related to networking.
• Engage with customers to understand their network topology and provide suggestions.

Skills

SONiC network operating system

Networking protocols (BGP, OSPF, etc.)

Troubleshooting skills

Python/Go programming

Linux proficiency

Customer interface experience

Education

Bachelor's degree or equivalent

Tools

FRR stack

Network management protocols

Job description

This is an exciting opportunity within Celestica’s Hardware Platform Solutions (HPS) to make a positive impact and contribute to rapid business growth in a dynamic environment. The individual contributor will report to the Customer Experience (CX) organization and will be responsible for troubleshooting and resolving customer technical issues related to networking (primarily in Switching and Network Security), storage, and servers, with a focus on SONiC-related issues. This is a technically hands-on role. The successful candidate will be an experienced technical support troubleshooter, adept at resolving various technical issues, interfacing with customers, and managing escalations on mission-critical networks/operations. They should remain calm under pressure and possess strong operational experience to systematically and efficiently resolve issues and escalations.

The Network Engineer will engage with customers to understand their network topology, provide suggestions, answer questions, review configurations, and troubleshoot issues. They are also expected to participate in pre-sales activities, including assisting Celestica’s Sales Engineers and Business Development teams. A comprehensive understanding of networking protocols common in Data Center, Enterprise, and Campus scenarios is required. Additionally, the candidate should be capable of authoring test cases using Python/Go for internal QA activities and creating Application Notes for customer use. Extensive troubleshooting experience across a wide range of network-related issues is essential, along with an understanding of switch and router architecture. Travel requirements may be up to 25% of the time.

Detailed Responsibilities

• Experience with SONiC network operating system and FRR stack is required.
• Designing, configuring, troubleshooting, and optimizing network hardware, topologies, and deployments (DC/Enterprise/Campus).
• Deep understanding of networking concepts, architecture, topology (Places-In-Network), and protocols including 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.
• Understanding of switching, network security, and routing hardware architecture.
• Proficiency in Linux.
• Experience with C and scripting languages like Python/Go is a major plus.
• Experience in direct customer interface.
• Ability to write technical documentation such as Application Notes, FAQs, Installation Guides, User Manuals, Troubleshooting Guides.
• Willingness to travel up to 25% domestically and internationally.
• Ability to work on a rotation basis during weekends, holidays, and off-hours to align with North American and European working hours.

Physical Demands

• Work performed in a normal office environment.
• Extended periods of sitting and visual concentration required.
• Repetitive manual movements often required.
• Occasional travel may be necessary.

Experience and Education

• Minimum of 10+ years of relevant experience.

Bachelor’s degree or equivalent combination of education and experience; educational requirements may vary by geography.

Salary Range

$130,000 - $160,000 USD/year. The range is an estimate and may vary based on duties, credentials, experience, or location.

Additional Notes

This job description is not exhaustive. Employees are responsible for all duties and responsibilities of the role, which may change over time. Celestica is an equal opportunity employer, prohibiting discrimination based on race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status. Confidentiality will be maintained according to EEO guidelines.

This is a remote position with travel as needed. Candidates near major US airports or locations such as Massachusetts, Pennsylvania, Minnesota, Texas, Arizona, Oregon, or California are preferred.

Company Overview

Celestica (NYSE, TSX: CLS) partners with leading brands across various sectors, providing design, manufacturing, hardware platform, and supply chain solutions. Headquartered in Toronto, with over 40 locations worldwide, we focus on innovation and delivering a better future for our customers.

We thank all applicants; only qualified candidates will be contacted. Unsolicited resumes from agencies are not accepted.