Candidates applying for Energy Efficiency Engineer roles take an average of 9 days to get hired, when considering 3 user submitted interviews for this role. To compare, the hiring process at DNV overall takes an average of 36 days.
Common stages of the interview process at DNV as a Energy Efficiency Engineer according to 3 Glassdoor interviews include:
Skills test: 38%
Group panel interview: 13%
One on one interview: 13%
Personality test: 13%
Background check: 13%
Phone interview: 13%
Here are the most commonly searched roles for interview reports -
I applied through an employee referral. The process took 2 weeks. I interviewed at DNV (Santa Clara, CA) in May 2025
Interview
Few technical questions, a few behavioral questions. Questions that simulate day-to-day job responsibilities. Initial interview dove right into the questions. Basically repeated them for the in-person portion (flew down to meet me). Offer was made within 2 weeks from starting
I applied online. The process took 1 week. I interviewed at DNV (Las Vegas, NV) in Jun 2023
Interview
One of the interviewers was very rude, and he was speaking with an attitude and was arrogant when he was asking the questions. If he is acting like this during the interview process, how would he do on the job? I wanted to end the interview on the spot, but I ended up being professional and not doing that.
Interview questions [1]
Question 1
How do you deal with multitasking? Can you give me an example of how you have solved a problem at work?
I applied online. The process took 1 week. I interviewed at DNV (Okemos, MI) in Apr 2016
Interview
The head of the section and one of his senior engineer interviewed me in the second round of phone interview. This interview is pretty focused on the technical aspects. First they asked me questions about my relevant experience and then they just began to do a technical exam to me.It's a pretty difficult interview if the candidate don't have enough experience in this field. It seems they have a high standard even for the entry level job.
Interview questions [1]
Question 1
1. What did you do during your internship? What the compressor model and size in the company that you audit. What recommendations did you generate for them. How did you distribute the work of your team.
2. How many kinds of lighting lamps that is used in the industry and what is their advantages and disadvantages? What is energy usage and demand? What do you often recommend on air compressors, HVAC, Boiler, Building envelop...