I applied through college or university. The process took 1 day. I interviewed at e-con Systems (Chennai)
Interview
first round will be the puzzles which consists seven questions. all are easy. good knowledge in logical will help you to crack it. second round will be objective type hardware related questions.
Interview questions [1]
Question 1
n puzzles,digging holes,handshakes in a party,probability of finding the same letter when picked from words"assistant" and "assassin" ,two intelligent and honest math boys problem
I applied through college or university. I interviewed at e-con Systems (Chennai) in Mar 2026
Interview
They ask about microprocessor, microcontroller and project explanation. What is capacitor, what is inductor, Draw and explain about nand gate. What is number system, octal to binary conversion. Self introduction, some circuit diagrams are given and also said to solve.
You apply through company website, LinkedIn, or referral.
HR shortlists based on resume, skills, and experience.
C programming concepts (pointers, structures, memory)
Microcontrollers (ARM, PIC, etc.)
Communication protocols (UART, SPI, I2C, CAN)
Interrupts
RTOS basics
Debugging methods
Interview questions [1]
Question 1
Dso triggering modes
Ammeter voltage in connected above circuit
First stage was the written test. It contains general aptitude and electrical and electronics questions with two sets. One is MCQ and other one is theoretical. And ,then depends upon the performance the interview begins.
Interview questions [1]
Question 1
They asked about the circuits, but it was too difficult.
Hardware Engineer applicants have rated the interview process at e-con Systems with 3.3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 75% positive. To compare, the company-average is 80% positive. This is according to Glassdoor user ratings.
Candidates applying for Hardware Engineer roles take an average of 1 day to get hired, when considering 4 user submitted interviews for this role. To compare, the hiring process at e-con Systems overall takes an average of 1 day.
Common stages of the interview process at e-con Systems as a Hardware Engineer according to 4 Glassdoor interviews include:
Skills test: 29%
Personality test: 29%
IQ intelligence test: 14%
Group panel interview: 14%
One on one interview: 14%
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