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Table of contents
Introduction 🧾
About LinkedIn
Systems and Infrastructure Engineer at LinkedIn
Description 📄
Roles and Responsibilities🔗
Skills and Requirements 📌
Salary and Perks 💸💰
Preparation Strategy📍⏳
Online Test at HackerRank 
Technical Interviews
HR Interview
Interview Experience
Frequently Asked Questions❔
What is a System and Infrastructure Engineer?
Is Infrastructure the same as DevOps?
What is the responsibility of an Infrastructure Engineer at LinkedIn?
What are the main components of IT infrastructure?
What skills are required to be a System and Infrastructure Engineer at LinkedIn?
Conclusion 🔚
Last Updated: Mar 27, 2024

Systems and Infrastructure Engineer at LinkedIn

Author Teesha Goyal
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Saurav Prateek
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Introduction 🧾

Have you heard much about LinkedIn and want to be a Systems and Infrastructure Engineer at LinkedIn? So don't worry; we have you covered. Coding Ninjas will help you understand the job profile better.

Also, read our LinkedIn Preparation Guide article to understand better how to prepare.


Check out our articles on Job opportunities at LinkedIn and Ways to Join LinkedIn. Even if you are looking for Internships at LinkedIn, we have you covered. 

Isn’t it incredible? ✨

So, let's get started. 😃

About LinkedIn

LinkedIn is a US-based company working in the employment and business sector. The LinkedIn platform was released on 5 May 2003. It has been a wholly owned subsidiary of Microsoft since December 2016. 


The primary purpose of LinkedIn is to connect people professionally and help in their career enhancement. It makes job vacancies and resumes more accessible for employers and job seekers. LinkedIn users may connect with people they've worked with, exhibit their professional skills and experiences, search for job openings, and discover employees. 

Systems and Infrastructure Engineer at LinkedIn

Systems and Infrastructure Engineer at LinkedIn

Let us now talk about the job profile, roles and responsibilities, skill requirements, salary and perks, and preparation strategy for the Systems and Infrastructure Engineer at LinkedIn

Description 📄

Description of the Role

Systems and Infrastructure Engineer is responsible for managing platforms for massive data storage and maintenance. They ensure that the infrastructure of LinkedIn doesn’t break even with the massive data growth across the ecosystem of LinkedIn caused by the growth in memberships and products. 

Roles and Responsibilities🔗

LinkedIn is not just a digital portfolio; it has become a platform that helps many professionals find jobs, colleagues, and opportunities. As a Systems and Infrastructure Engineer:

📑 You will assist LinkedIn in scaling its infrastructure to handle tremendous data growth throughout the ecosystem. 

📑 You will use distributed systems and algorithms to enhance your systems orientation abilities. (like scalability, multi-threading, performance, concurrency).

📑 Be a part of state-of-the-art open-source systems.

📑 comprehend the concepts of frameworks for queuing, caching, and distributed data storage.


A Systems and Infrastructure Engineer will assist with scaling LinkedIn's infrastructure to accommodate significant growth in membership and data with a focus on one or more of the following areas:

📇📁 Data Infrastructure: Understand Big Data and work with large-scale systems like Hadoop, Apache Kafka, Apache Samza, Helix, Espresso, Pinot, Ambry, etc. Ability to work with tools that helps in generating insights from the data for both the internal and external data products of LinkedIn. This must be done via self-serve computing, interactive querying, and reporting and presenting solutions.

📰💻 Service: Responsible for providing a technical platform for all of LinkedIn Engineering to build services that serve as the basic unit of development and deployment.

🔍📶 Networks, Search, and Analytics: Responsible for maintaining a fast search result at LinkedIn with a latency rate of tens of milliseconds. Respond to queries coming at the rate of thousands per second. Always keep on improvising the relevance of the results while making the application available all the time. 

📑👪Content and Community: This area deals with managing the content of professionals and communities. Dealing with creating and serving the feeds with professionally relevant activities. 

Skills and Requirements 📌

Skills and Requirements

For the position of Systems and Infrastructure Engineer, you should have the following basic requirements:

✅ Currently pursuing BE/BTech or higher in computer science and related field. Passing out in December 2023 or earlier. 

✅ Programming in one or more languages: C/C++, C#, Java, Python, or Ruby.


Skills required for the Systems and Infrastructure Engineer at LinkedIn are given below: 

📌 Strong working knowledge of Java.

📌 Experience in building distributed large-scale systems.

📌 Experience with Internet-scale systems.

📌 Familiar with Big data concepts.

📌 Working knowledge of building and applying frameworks for one or more of the following: queuing, caching, distributed data storage, Remote procedure call, and/or parallelism. 

📌 Good knowledge of multi-threading and concurrency.

📌 Familiar with concepts of parallel processing.

📌 Experience with open-source or industry projects. 

Salary and Perks 💸💰

Salary and Perks

Let’s now talk about the paychecks and perks of working as a System and Infrastructure Engineer at LinkedIn. Following is the approximated average salary depending on the entries of a few employees of LinkedIn: 

Experience Level Salary in LPA
7 - 13 years of Experience  30.9 
13-14 years of Experience  33

** Salaries mentioned above are only estimated and approximations. They are subject to change. **

Perks at LinkedIn

It always pays to be to a reputed and well-established company like LinkedIn. Not only by the amount of money you get each month but also by some other amazing perks. 

Following are some of the perks you will get at LinkedIn being a System and Infrastructure Engineer:

🌟 Life Insurance 

🌟 Dental and Health Care Insurance

🌟 Disability Insurance

🌟 Vacation & Paid Time Off

🌟 Work From Home 

🌟 Maternity & Paternity Leave

🌟Monthly accumulation of annual leaves

🌟 Adoption and IVF services

🌟Mental Health Care

🌟 Birthday Leave

🌟 Yearly perk-up allowance for massages, yoga, gym, kid and senior care, financial planning, and so on.

🌟 Free food and Coffee Bar 

Preparation Strategy📍⏳

Preparation Strategy

Now that you know everything about the role, let’s get you geared up with the best preparation strategy to help you crack this job profile at LinkedIn. After the application is reviewed and moved forward, the selection process for System and Infrastructure Engineer at Linked includes the following three main stages:

✅ Online HackerRank Test

✅ Technical Interviews.

✅ HR Interviews.

Selection process

Each round is an elimination round, and you have to perform well at all the rounds to be considered for the job profile at LinkedIn. The tests are designed to understand the capabilities and thinking process of candidates. We will discuss the strategy to improve at all the stages and clear each round. 

Online Test at HackerRank 

The coding test can be attempted with any programming language. There are many options to choose from, including C/C++, Java, Python, etc. 

Online Test at HackerRank

We have specialized courses for the three mainly used programming languages and a separate course for DSA to help you understand and grasp the concepts better. Follow the below links to navigate to the courses and start preparing: 

📘 C++ with DSA

📙 Java with DSA

📗 Python with DSA

📕 Data Structures and Algorithms.

You must also be prepared to solve aptitude as well. Aptitude tests are used to check your problem-solving ability where you are given a problem, and you have to find the solution in a stipulated time. You can go through our Aptitude Preparation Course to brush up on your knowledge and be ready. 

Aptitude preparation

Technical Interviews

Technical Interviews

In technical interviews, you have to be prepared for programming languages and programming concepts and methodologies. You should also be familiar with other computer science core subjects, including DBMS, OS, CN, DSA, and System Design. 

Visit the following links to prepare each subject from our experts: 

📚 Database Management Systems

📚 Operating Systems

📚 Computer Networks

📚 System Design.

To try Mock Technical interviews, visit, Prepare and Practice Technical Mock Interviews With Coding Ninjas

These are all common subjects that every software engineer should know. Although there are more technical topics specific to the job profile you are aiming for. Following is the material for System and Infrastructure Engineer at LinkedIn:

📚 Distributed Computing

📚 Multithreading Models

📚 Massive Parallelism

📚 Why do we need Distributed Computing for Big Data?

📚 Big Data: A guide for beginners 

📚 Caching: System Design Concepts for Beginners 

📚Parallel Processing

HR Interview

HR Interview

The HR interviews are to access the thinking abilities and behavioral traits of a candidate. The questions are non-technical and common questions. You may be asked to introduce yourself and discuss your hobbies, strengths, and weaknesses.

You have a package course covering each and everything you need to know about interviews at high-tech companies. Visit Coding Ninjas | Interview Preparation Course [Updated in 2021] to learn more about how to prepare for interviews.  

Also, Check out 15 LinkedIn Interview Questions In 2021 | Coding Ninjas Blog and Your Ultimate Job Interview Preparation Guide for LinkedIn to understand the type and pattern of questions asked in LinkedIn.  

Interview Experience

Interview Experience

Go through the below linked to read the interview experiences of candidates who appeared for LinkedIn profiles: 

📋 Interview Experience | Off Campus - Oct 2021 | 2

📋 Interview Experience by Maitreyi Sondhi | On Campus - Aug 2019

📋 Interview Experience by Shivam Hurkat | On Campus - May 2015 | 2

📋 Interview Experience by Shivam Hurkat | Off Campus - May 2015 | 2    

📋 Interview Experience by Shivam Hurkat | On Campus - May 2015 | 2 

📋 Interview Experience by | Off Campus - Dec 2020 | 2 

Frequently Asked Questions❔

What is a System and Infrastructure Engineer?

A Systems and Infrastructure Engineer is responsible for managing platforms for massive data storage and maintenance. They provide a platform for other massive services to run smoothly without any problem. 

Is Infrastructure the same as DevOps?

The infrastructure supports both Development(Dev) and operations(Ops). Whereas DevOps is the connection between development and operations. So, it might look like infrastructure is the same as DevOps, but it really isn’t. 

What is the responsibility of an Infrastructure Engineer at LinkedIn?

They are responsible for assisting LinkedIn in scaling its infrastructure to handle tremendous data growth throughout the ecosystem with the drastic growth in its membership and products. 

What are the main components of IT infrastructure?

There are 3 main components, including the software, hardware, and networking. The software instructs the hardware, the hardware actually performs the tasks, and the networking is essential to share resources and data files among devices.   

What skills are required to be a System and Infrastructure Engineer at LinkedIn?

You should be familiar with computer science subjects such as DBMS, OS, CN, DSA, and programming languages. You should have an understanding of distributed systems and large-scale systems. You should know parallel processing, concurrency, multi-threading, queuing, and caching. 

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Conclusion 🔚

This article discussed the Systems and Infrastructure Engineer at LinkedIn. We discussed the required skill sets along with the approximated salary.

To learn more about the joining process at Nagarro, you can check out this Ways to Join LinkedIn article. 

To check out coding problems specific to Nagarro, visit Your Ultimate Job Interview Preparation Guide for LinkedIn

I hope you would have gained a better understanding of these topics now!

Are you planning to ace the interviews of reputed product-based companies like AmazonGoogleMicrosoft, and more? 

Attempt our Online Mock Test Series on Coding Ninjas Studio now!

Happy Coding!

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