I applied through university. I interviewed at Johnson Controls (Vellore) in Jul 2017
Interview
I was asked about my favourite subject, followed by questions on the subjects that I highlighted were my strengths. But overall, the questions were from all of electronics, but only the basics. The interviewer didn't go deep into the subject knowledge.
Interview questions [4]
Question 1
What is the difference between single phase and three phase voltage?
They asked basic engineering questions from core topics specially from electrical subjects like electronic instruments,basic engineering fundamentals .Also, the process consisted of 3 rounds of interview 2- technical and 1-HR round .
Interview questions [1]
Question 1
Working of transformers and types of transformers?
Thermistor -What is it and where it is used?
I applied through university. The process took 2 weeks. I interviewed at Johnson Controls
Interview
The interview process typically begins with an online test to assess aptitude, technical knowledge, and problem-solving skills. Shortlisted candidates then proceed to a technical interview focused on core concepts, projects, and practical applications. Finally, an HR interview evaluates communication skills, cultural fit, and overall suitability for the role.
I applied through university. I interviewed at Johnson Controls in Sept 2025
Interview
Process goes on in rounds with technical knowledge and HR questions. Preparing core concepts will help. Ensure to speak everything you know about the concept during interview. Overall good experience.
Interview questions [1]
Question 1
How opamp works?
How cctv are networked?
How FAS works?