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Software Engineer (Routing Protocols)

Arista Networks

Arista Networks

Software Engineering
Bengaluru, Karnataka, India
Posted on Friday, December 8, 2023

Company Description

Arista Networks was founded to pioneer and deliver software driven cloud networking solutions for large data center storage and computing environments. Arista’s award-winning platforms, ranging in Ethernet speeds from 10 to 400 gigabits per second, redefine scalability, agility and resilience. Arista has shipped more than 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Committed to open standards, Arista is a founding member of the 25/50GbE consortium. Arista Networks products are available worldwide directly and through partners.

The EOS Routing PI team is responsible for developing routing protocols like BGP, OSPF and ISIS and Data Center and SP technologies like MPLS, Segment Routing and EVPN. A unique feature of the Arista routing team is that the routing software is common across Campus, Data Center and Service Provider routing features. This is a global team that spreads multiple geographies working on cutting edge features that get deployed in the largest Cloud titan, Service Provider, Enterprise and Campus networks.

Job Description


  • Write functional specifications and design specifications for small-sized routing protocol features.
  • Independently implement solutions to small-sized problems in our routing protocol software, using the C, C++, and python programming languages.
  • Write test plan specifications for small-sized routing protocol features, and implement automated test programs to execute the cases described in the test plan.
  • Debug problems found by our automated test programs and fix the problems.
  • Work on a team implementing, testing, and debugging solutions to larger routing protocol problems.


  • B.E./ M.E., MS or Ph.D. in Computer Science/Electrical Engineering/Computer Engineering with 3-10 years of related work experience
  • Knowledge of C or C++
  • Knowledge of UNIX or Linux
  • Understanding of IP networking and IP routing protocols, specifically one of RIP, OSPF, BGP, IS-IS, or PIM.
  • Hands on experience in the design and development of IP routing protocol or distributed systems software.
  • Hands on experience with enterprise or service provider class, ethernet switch/router system software development, or significant PhD level research in the area of network routing and packet forwarding.
  • Applied understanding of software engineering principles
  • Strong problem solving and software troubleshooting skills.
  • Ability to design a solution to a small-sized problem, and implement that solution without outside help. Able to work on a small team solving a medium-sized problem with limited oversight.

Additional Information

All your information will be kept confidential according to EEO guidelines.