Arista Networks

Engineering Interview Experience - United States

October 31, 2025

Positive ExperienceNo Response

Process

Very technical. Whiteboard with an engineer or two. They would ask me to reason through the design of an algorithm at the whiteboard. They wanted to see how I would think about approaching the problem.

Questions

Design an algorithm; I think it was a data structure-based algorithm, some time ago.

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Interview Statistics

The following metrics were computed from 3 interview experiences for the Arista Networks Engineering role in United States.

Success Rate

Pass Rate

Arista Networks's interview process for their Engineering roles in the United States is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive33%

Neutral33%

Negative33%

Candidates reported having mixed feelings for Arista Networks's Engineering interview process in United States.

Arista Networks Interview Questions

Restore IP Addresses

Medium

Given a string of digits, find all possible valid IP address combinations you can create by inserting dots. An IP address is valid if each segment is between 0 and 255.

StringsRecursion

Construct String With Repeat Limit

Medium

You're given a string of characters and a limit on how many times each character can repeat consecutively. Build the lexicographically largest string possible while respecting this repeat limit.

Greedy AlgorithmsArrays

Find the Town Judge

Easy

In a town, find the 'judge' who is trusted by everyone else but doesn't trust anyone. You are given trust relationships; determine if a town judge exists and, if so, who they are.

ArraysGraphs