> Markdown version of [/jobs/ext/3403137-world-class-senior-lead-packet-forwarding-engine-pfe-software-engineers](https://www.wearedevelopers.com/jobs/ext/3403137-world-class-senior-lead-packet-forwarding-engine-pfe-software-engineers). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # world-class Senior/Lead Packet Forwarding Engine (PFE) Software Engineers - **Company:** Arista Networks - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** C (Programming Language), Automation of Tests, Unix, C++ (Programming Language), Computer Engineering, Linux, Distributed Systems, Integrated Development Environments, Internet Protocol, Python (Programming Language), Software Engineering, System Testing, Software Troubleshooting, Information Technology - **Published:** September 10, 2026 - **Apply:** https://startup.jobs/senior-lead-software-engineer-packet-forwarding-arista-networks-10029553 ## About the Role * BS Computer Science/Electrical Engineering/Computer Engineering + 8 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 6 years experience, or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering + 3 years experience, or equivalent work experience * 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 * Ability to design a solution and implement features independently. * Ability to work in small teams. ## Description * Interface with customers and product management to define packet forwarding features and solutions. * Architect, design and manage the development of these features. * Develop and maintain features using C, C++ and Python, review and contribute to functional and design specifications. Build automated tests and test infrastructure to test the features. * Provide technical leadership across features, projects and tools. * Work with Customer Support Engineers and customers to analyze, mitigate and fix problems in customer networks. * Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems. * Mentor new and junior engineers to bring them up to speed in Arista's software development environment. ## Related Videos - [How To Test A Ball of Mud](https://www.wearedevelopers.com/videos/173-how-to-test-a-ball-of-mud) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [The Gashlycrumb Tinies of AI Networking You Must Know (or Languish!)](https://www.wearedevelopers.com/videos/2067-the-gashlycrumb-tinies-of-ai-networking-you-must-know-or-languish) - [How I Built QA from Scratch in a Scaling Startup - no fluff real life story](https://www.wearedevelopers.com/videos/2041-how-i-built-qa-from-scratch-in-a-scaling-startup-no-fluff-real-life-story) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)