Palo Alto Networks

SRE Engineer Interview Experience - Santa Clara, California

August 21, 2025

Neutral ExperienceNo Response

Process

First round with Hiring Manager.

Technical questions regarding SRE topics.

I was asked to describe the tools I work with and the projects I've worked on.

Asked technical follow-up questions on these answers.

Questions

Tell me about a project that you worked on recently.

Interview Statistics

The following metrics were computed from 1 interview experience for the Palo Alto Networks SRE Engineer role in Santa Clara, California.

Success Rate

Pass Rate

Palo Alto Networks's interview process for their SRE Engineer roles in Santa Clara, California is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive0%

Neutral100%

Negative0%

Candidates reported having mixed feelings for Palo Alto Networks's SRE Engineer interview process in Santa Clara, California.

Palo Alto Networks Interview Questions

Longest Common Prefix

Easy

Find the longest string that is a prefix of all strings in a given array. If no common prefix exists, return an empty string.

ArraysStrings

LRU Cache

Medium

Design a data structure that acts as a Least Recently Used (LRU) cache. Implement methods to get and put key-value pairs, evicting the least recently used entry when the cache is full.

Linked ListsArraysDynamic Programming

Find the Longest Equal Subarray

Medium

Given an array and a maximum allowed difference, find the longest subarray where the most frequent element appears at least the same number of times as all other elements combined. You can change elements by at most the allowed difference amount to achieve this.

ArraysTwo PointersSliding Windows