I applied in-person. The process took 2 months. I interviewed at Emerald Performance (Kalama, WA) in Apr 2022
Interview
I was asked to visit their site in Kalama, WA. And it was 5hr interview 1hr each with the engineers.
They paid for reimbursed everything that incurred during the stay
I applied online. The process took 5 weeks. I interviewed at Emerald Performance (Akron, OH) in Apr 2016
Interview
Very Thorough. I interviewed with 5 people. All of them were very nice and the interview was more of a conversation. I had the opportunity to get to know the company well. Make sure you know your resume well and can talk through all your past work.
Interview questions [2]
Question 1
Experience based questions. No trick questions or guesstimates
I applied through an employee referral. I interviewed at Emerald Performance (Kalama, WA) in Aug 2015
Interview
3 HR phone interviews (I was out of state, which I believe is very uncommon for this company) that were very 'softball question' focused. I had an hour interview with 4 different engineers on site.
Interview questions [1]
Question 1
described a distillation problem and asked what I thought could be the issue