# Senior/Lead Software Engineer, Packet Forwarding at Arista Networks

- Company: Arista Networks
- What the company does: Arista Networks is an industry leader in data-driven, client-to-cloud networking for large data center, campus and routing environments. What sets us apart is our relentless pursuit of innovation. Backed by Redpoint.
- Company website: http://www.aristanetworks.com/
- Type: Startups
- Level: Senior
- Location: Nashua, NH
- Work setup: On-site
- Posted: 2026-09-22
- Apply by: 2026-11-06
- Apply: https://jobs.smartrecruiters.com/AristaNetworks/744000151027600
- Page: https://www.1752.vc/careers/jobs/arista-networks-senior-lead-software-engineer-packet-forwarding/

## About the role

As a Senior/Lead PFE Software Engineer, you will collaborate and work with customers, product management and engineers to design and build novel packet forwarding features in EOS that help networks run effectively and efficiently. You will need to understand the packet forwarding architecture in depth and figure out how to apply it optimally to solve customer problems.

## What they're looking for

- Expert knowledge of C or C++ and Python
- Knowledge of UNIX or Linux
- Understanding of IP networking and/or distributed systems
- Experience working with packet forwarding chips and pipelines is a plus
- Applied understanding of software engineering principles
- Strong problem solving and software troubleshooting skills

Tags: Software Engineering