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TCS System Engineer Hardware Interview Questions, Process, and Tips

Updated 15 Jan 2025

Top TCS System Engineer Hardware Interview Questions and Answers

  • Q1. What is the difference between list and tuple (in python)?
  • Q2. 1. Roles and Responsibilities 2. Work experiences and technical skills 3. Explain Automation Framework used in project 4. Java Basic Concepts 5. Maps, List, Sets 6. Selen ...read more
  • Q3. Can we use a continue statement outside loops?
View all 47 questions

TCS System Engineer Hardware Interview Experiences

68 interviews found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jun 2023. There was 1 interview round.

Round 1 - One-on-one 

(4 Questions)

  • Q1. Different types of transformations in informatica, active vs passive, union vs joiner
  • Ans. 

    Different types of transformations in Informatica include active and passive transformations, as well as union and joiner transformations.

    • Active transformations are those which change the number of rows that pass through them, such as Filter or Router transformations.

    • Passive transformations do not change the number of rows that pass through them, such as Expression or Lookup transformations.

    • Union transformation combine...

  • Answered by AI
  • Q2. Explain in depth about SCD and lookups in informatica
  • Ans. 

    SCD stands for Slowly Changing Dimensions and lookups in Informatica are used to perform data transformations by looking up data from a reference table.

    • SCD is used to track changes to dimension data over time.

    • There are three types of SCD - Type 1, Type 2, and Type 3.

    • Lookups in Informatica are used to perform data transformations by looking up data from a reference table.

    • Lookups can be connected to different types of so...

  • Answered by AI
  • Q3. Basic commands in unix, vi editor
  • Q4. Difference among delete, drop, truncate and join types with their syntax.
  • Ans. 

    Delete, drop, truncate, and join are SQL commands with different functionalities.

    • DELETE: Removes specific rows from a table based on a condition.

    • DROP: Deletes an entire table or database object from the database.

    • TRUNCATE: Removes all rows from a table, but keeps the table structure.

    • JOIN: Combines rows from two or more tables based on a related column between them.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for TCS System Engineer Hardware interview:
  • Informatica
  • SQL
  • Unix
  • Excel
Interview preparation tips for other job seekers - Just be prepared and full of confidence. Always keep the basic and their reasoning clear. Try to give logic first and then the coding part.

Skills evaluated in this interview

System Engineer Hardware Interview Questions & Answers

user image Vedant Shrivastava

posted on 15 Sep 2024

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Sep 2023. There were 2 interview rounds.

Round 1 - Coding Test 

2 questions (1- DSA, 2- SQL)

Round 2 - One-on-one 

(2 Questions)

  • Q1. Related to projects I made in project.
  • Q2. Python libraries I used
  • Ans. 

    I have used various Python libraries such as NumPy, Pandas, Matplotlib, and Scikit-learn.

    • NumPy for numerical computing and array manipulation

    • Pandas for data manipulation and analysis

    • Matplotlib for data visualization

    • Scikit-learn for machine learning algorithms

  • Answered by AI

Skills evaluated in this interview

System Engineer Hardware Interview Questions Asked at Other Companies

asked in Infosys
Q1. How many such letter-pairs are there in the word SERVANT, having ... read more
asked in TCS
Q2. What is the difference between list and tuple (in python)?
asked in Infosys
Q3. Difference between string object and string literal and string bu ... read more
asked in TCS
Q4. 1. Roles and Responsibilities 2. Work experiences and technical s ... read more
asked in TCS
Q5. Can we use a continue statement outside loops?
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jan 2024. There was 1 interview round.

Round 1 - Aptitude Test 

TCS NQT test was conducted comprising of Aptitude, Verbal and Coding

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Nov 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(1 Question)

  • Q1. I got interviewed for automation testing. Questions was related to my previous experiences , java , selenium
Round 3 - HR 

(1 Question)

  • Q1. Introduce myself Salary expectations Work location preferences

TCS interview questions for designations

 System Engineer

 (1.1k)

 Hardware Engineer

 (4)

 Hardware & Networking Engineer

 (2)

 Assistant System Engineer

 (380)

 System Software Engineer

 (3)

 Junior System Engineer

 (2)

 System Engineer Analyst

 (2)

 Linux System Engineer

 (1)

Round 1 - Coding Test 

2 coding questions based on arrays and strings.

Round 2 - Technical 

(5 Questions)

  • Q1. Approach of coding question in round 1
  • Q2. Web technology basics
  • Q3. How to secure web app
  • Ans. 

    Securing a web app involves implementing various measures to protect against attacks and vulnerabilities.

    • Use HTTPS to encrypt data in transit

    • Implement strong authentication and authorization mechanisms

    • Regularly update and patch software and libraries

    • Use input validation and output encoding to prevent injection attacks

    • Implement security headers to prevent cross-site scripting and clickjacking

    • Regularly perform security a...

  • Answered by AI
  • Q4. How to scale web app
  • Ans. 

    Scaling a web app involves optimizing resources, load balancing, and implementing caching strategies.

    • Use load balancers to distribute traffic across multiple servers

    • Optimize database queries and use caching to reduce server load

    • Implement auto-scaling to add or remove resources based on traffic

    • Use content delivery networks (CDNs) to serve static assets

    • Consider using microservices architecture to break down the app into ...

  • Answered by AI
  • Q5. Managerial questions: Hobbies Where do you see yourself in 5 years How will you stay motivated

Interview Preparation Tips

Interview preparation tips for other job seekers - Be honest, be confident, know the basics.

Skills evaluated in this interview

Get interview-ready with Top TCS Interview Questions

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before May 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Easy to medium difficulty questions were asked. Topics from QA, Reasoning and ENglish were mostly asked.

Round 2 - Coding Test 

Was held on the TCS ion platform from home. Consisted of 2 basic questions around array and String manipulation in Python/Java. Compiler is very bad as it won't tell you accurately where and what something went wrong. The editor offers no autocomplete, suggestions, code beautify, etc.

Round 3 - Technical 

(1 Question)

  • Q1. They'll ask you fundamental questions about the things you've mentioned in your CV. Some panellists will ask many questions about your project(s). Questions I remember - how to add bootstrap to your projec...

Interview Preparation Tips

Topics to prepare for TCS System Engineer Hardware interview:
  • OOPS
  • OOP
  • SQL
  • DBMS
  • Project
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before May 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

Numerical Ability,Logical Reasoning,Verbal Ability,Coding

Round 2 - Technical 

(2 Questions)

  • Q1. Explain Java 8 Features
  • Ans. 

    Java 8 introduced several new features including lambda expressions, functional interfaces, streams, and default methods.

    • Lambda expressions allow you to write code in a more concise way.

    • Functional interfaces are interfaces with a single abstract method, used for lambda expressions.

    • Streams provide a way to work with sequences of elements.

    • Default methods allow interfaces to have method implementations.

    • Example: Lambda exp...

  • Answered by AI
  • Q2. Explain about your projects
Round 3 - Behavioral 

(1 Question)

  • Q1. They asked technical questions here aswell.
Round 4 - HR 

(1 Question)

  • Q1. As I have failed in a subject they asked Why u have failed in a subject?

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

First round was of Aptitude and Coding. It inovled questions testing your logical,mathematical and reasoning skills. Two coding questions was of easy and medium difficulty

Round 2 - Technical 

(2 Questions)

  • Q1. Basics of python, questions on skills mentioned in resume, projects etc.
  • Q2. Certification details

Interview Preparation Tips

Topics to prepare for TCS System Engineer Hardware interview:
  • Computer science basic
Round 1 - Coding Test 

Simple coding question based on permutation and combination.

Round 2 - One-on-one 

(3 Questions)

  • Q1. What are the various joins in SQL
  • Ans. 

    SQL joins are used to combine data from two or more tables based on a related column between them.

    • Inner join: returns only the matching rows from both tables

    • Left join: returns all the rows from the left table and matching rows from the right table

    • Right join: returns all the rows from the right table and matching rows from the left table

    • Full outer join: returns all the rows from both tables, with NULL values in the colu...

  • Answered by AI
  • Q2. What is garbage collector in JAVA
  • Ans. 

    Garbage collector in JAVA is a program that automatically frees up memory by removing objects that are no longer in use.

    • Garbage collector is a part of JVM that manages memory allocation and deallocation

    • It runs in the background and frees up memory by removing objects that are no longer in use

    • It helps prevent memory leaks and improves performance

    • Examples of garbage collectors in JAVA are Serial, Parallel, CMS, and G1

  • Answered by AI
  • Q3. Agile methodology cycle

Interview Preparation Tips

Interview preparation tips for other job seekers - Be humble, and don't lie to the interviewer.

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Sep 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Medium to high level aptitude questions in tcs NQT

Round 3 - Coding Test 

2 medium level coding questions in nqt test included

Round 4 - Technical 

(1 Question)

  • Q1. Technical interview with basic coding questions like find xor etc , including puzzles and project discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - Easy to crack

TCS Interview FAQs

How many rounds are there in TCS System Engineer Hardware interview?
TCS interview process usually has 2-3 rounds. The most common rounds in the TCS interview process are Technical, HR and Aptitude Test.
What are the top questions asked in TCS System Engineer Hardware interview?

Some of the top questions asked at the TCS System Engineer Hardware interview -

  1. 1. Roles and Responsibilities 2. Work experiences and technical skills 3. Exp...read more
  2. What is Referential integrity Constant in DBMS(foreign key primary key concepts...read more
  3. Why did you just select 0.95 of the whole dataset while working on the mod...read more
How long is the TCS System Engineer Hardware interview process?

The duration of TCS System Engineer Hardware interview process can vary, but typically it takes about less than 2 weeks to complete.

Tell us how to improve this page.

TCS System Engineer Hardware Interview Process

based on 52 interviews

4 Interview rounds

  • Technical Round - 1
  • HR Round - 1
  • Technical Round - 2
  • HR Round - 2
View more

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TCS System Engineer Hardware Salary
based on 14.1k salaries
₹2.5 L/yr - ₹10 L/yr
19% more than the average System Engineer Hardware Salary in India
View more details

TCS System Engineer Hardware Reviews and Ratings

based on 1.1k reviews

3.5/5

Rating in categories

3.3

Skill development

3.8

Work-life balance

2.5

Salary

4.5

Job security

3.4

Company culture

2.4

Promotions

3.0

Work satisfaction

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