Arista Networks Recruitment Process (original) (raw)

Last Updated : 20 Sep, 2025

Arista Networks, founded in 2004 and based in Santa Clara, California, is a leading computer networking company known for its multilayer switches and software-defined networking (SDN) solutions. Its Linux-based Extensible Operating System (EOS) powers all products, serving data centers, cloud computing, high-performance, and high-frequency trading environments. In 2017, Forbes ranked Arista third among the 25 Fastest Growing Public Tech Companies.

**In short, Arista Networks:

**Disclaimer: _The information mentioned in this article is taken from various resources and communities available on the internet.

Interview Experiences

It is always beneficial if you know what it is to be there at that moment. So, to give you an advantage, we provide you with the Interview Experiences of candidates who have been in your situation earlier. Make the most of it.

Where to apply:

Eligibility Criteria for Engineering Roles

Arista Networks seeks candidates for engineering roles with the following qualifications:

Arista Recruitment Process: Selection Rounds

Arista Networks typically conducts 3-4 rounds to select freshers for software engineering roles, focusing on coding, technical depth, and cultural fit. The process spans 2-4 weeks.

Online Coding Round:

An online assessment on platforms like HackerRank, lasting 90-120 minutes. It includes 4-5 coding problems (e.g., algorithms, data structures) or a mix of coding tasks and MCQs on C/C++, networking, or OS. Problems may involve string manipulation, graph algorithms, or binary search.

Technical Round-1:

A virtual or in-person interview with two panelists, focusing on fundamentals. Expect questions on Data Structures (e.g., min heap, linked lists), Algorithms, Operating Systems (processes, memory management), DBMS (SQL basics), and Networking (TCP/IP, switching). Candidates may write code (e.g., C, C++, Java) or solve puzzles. Resume-based questions on projects are common.

**Questions Asked in Arista Networks:

  1. Difference b/w C and Java ?
  2. Explain Min heap.
  3. Binary Search
  4. Difference between 32-bit and 64-bit operating systems?
  5. What are double pointers?

Technical Round-2:

A deeper technical interview with a senior engineer, emphasizing problem-solving and system knowledge. Topics include advanced DSA (e.g., tree traversals, heap operations), networking protocols, and role-specific skills like Linux kernel or switch programming. Coding tasks or system design basics may be included.

Technical + HR Round:

A combined round assessing technical expertise and cultural fit. Technical questions may revisit uncovered topics, while HR questions focus on motivation, strengths/weaknesses, and teamwork.

Some of the general HR questions are :

  1. Tell me about Yourself
  2. Why Arista?
  3. What are your strengths and weaknesses?
  4. Questions form resume

Arista Job Roles

Arista offers various engineering roles, primarily in software and network engineering:

Technical Skill Requirements for Arista Roles

**Coursework

**Programming Skills