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TCS Interview Questions, Process, and Tips

Updated 10 Apr 2025

Top TCS Interview Questions and Answers

  • Q1. How charging protocol works in electric vehicle and what is purpose of charging pin at charging inlet
  • Q2. What is basic function of firewall.
  • Q3. What is the difference between Software Development Life Cycle (SDLC) and Software Testing Life Cycle (STLC)?
View all 154 questions

TCS Interview Experiences

346 interviews found

System Engineer Interview Questions & Answers

user image Pratik Patil

posted on 8 Jan 2025

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Reasoning ability, verbal reasoning, and quantitative reasoning.

Round 2 - Coding Test 

Intermediate-level coding questions.

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Diff btwn JVM, JRE and JDK.
  • Ans. 

    JVM is the Java Virtual Machine that executes Java bytecode, JRE is the Java Runtime Environment that includes JVM and libraries, JDK is the Java Development Kit that includes JRE and development tools.

    • JVM is the virtual machine that runs Java bytecode and provides a runtime environment for Java programs.

    • JRE includes JVM along with libraries and other components necessary to run Java applications.

    • JDK is a development k...

  • Answered by AI
  • Q2. Why SB over legacy Spring?

Interview Preparation Tips

Interview preparation tips for other job seekers - Questions from resume

Skills evaluated in this interview

System Engineer Interview Questions Asked at Other Companies for Experienced

asked in Infosys
Q1. Quick Sort Problem Statement You are provided with an array of in ... read more
Q2. What is Matlab, which tools you have used to perform development ... read more
asked in Siemens
Q3. what is the disadvantage or drawback in S7 controller?
Q4. What is IPSEC VPN? Different between phase 1 and Phase 2
Q5. Difference between HTTP and HTTPS, What is UDP and TCP, Port numb ... read more
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Easy, medium level questions

Round 2 - Coding Test 

2 questions easy and medium

Round 3 - Technical 

(5 Questions)

  • Q1. Skills, about my self, technical questions , HR questions
  • Q2. C++ skills , oops concepts
  • Q3. SQL concepts , joins , normalisation
  • Q4. Oops and data structures
  • Q5. Hobbies , they had asked me to draw a sketch
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
-
Result
Selected Selected
Round 1 - Aptitude Test 

Round 1- foundation (20 questions)-25 min
Round 2 -advanced (both quant and logical )(15 questions)-25min

Round 2 - Technical 

(1 Question)

  • Q1. Introduction project details why IT coding
  • Ans. 

    I have experience working on various IT projects involving coding, which is why I am interested in the System Engineer role.

    • I have worked on multiple IT projects where I was responsible for coding and system engineering tasks.

    • I am passionate about IT and enjoy the challenge of problem-solving through coding.

    • I believe that my coding skills and experience make me a strong candidate for the System Engineer position.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Please refer previous question papers

TCS interview questions for designations

 Assistant System Engineer

 (387)

 System Engineer Hardware

 (68)

 System Software Engineer

 (3)

 Junior System Engineer

 (2)

 System Engineer Analyst

 (2)

 Linux System Engineer

 (1)

 IT System Engineer

 (8)

 System Support Engineer

 (1)

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Aptitude test like age, speed

Round 2 - One-on-one 

(2 Questions)

  • Q1. What is inheritance
  • Ans. 

    Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.

    • Allows for code reusability

    • Enables the creation of a hierarchy of classes

    • Derived class inherits properties and behaviors from a base class

    • Example: Animal class can be a base class with Dog and Cat classes inheriting from it

  • Answered by AI
  • Q2. Write sql to find 2nd largest
  • Ans. 

    SQL query to find the 2nd largest value in a table

    • Use the ORDER BY clause to sort the values in descending order

    • Use the LIMIT clause to retrieve the second row

  • Answered by AI

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
Not Selected

I applied via Naukri.com and was interviewed in Nov 2023. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Basic questions ofa Java and collections.
Round 2 - Technical 

(1 Question)

  • Q1. Few programming questions, along with spring boot and Java questions
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

General aptitude questions

Round 2 - Technical 

(2 Questions)

  • Q1. Pattern making using *
  • Q2. Project related discussion
Interview experience
4
Good
Difficulty level
-
Process Duration
2-4 weeks
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Based on basic c programming and your mentioned strong area
Round 2 - HR 

(1 Question)

  • Q1. Mostly based on shifts, ready to locate and management based

System Engineer Interview Questions & Answers

user image Nikhil Badhan

posted on 4 Jul 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Concepts of OOPS
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Common topics from aptitude and resonaning

Round 2 - Technical 

(1 Question)

  • Q1. Basic question java python opps all

TCS Interview FAQs

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

Some of the top questions asked at the TCS System Engineer interview for experienced candidates -

  1. How charging protocol works in electric vehicle and what is purpose of charging...read more
  2. What is basic function of firewall. ...read more
  3. What is the difference between Software Development Life Cycle (SDLC) and Softw...read more
How long is the TCS System Engineer interview process?

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

Tell us how to improve this page.

TCS Interview Process

based on 247 interviews

5 Interview rounds

  • Technical Round - 1
  • Technical Round - 2
  • HR Round - 1
  • HR Round - 2
  • HR Round - 3
View more
TCS System Engineer Salary
based on 1.1L salaries
₹1 L/yr - ₹9 L/yr
6% more than the average System Engineer Salary in India
View more details

TCS System Engineer Reviews and Ratings

based on 12.9k reviews

3.7/5

Rating in categories

3.4

Skill development

3.9

Work-life balance

2.6

Salary

4.6

Job security

3.6

Company culture

2.5

Promotions

3.3

Work satisfaction

Explore 12.9k Reviews and Ratings
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