R&D Engineer applicants have rated the interview process at Penumbra with 2.3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 67% positive. To compare, the company-average is 48.3% positive. This is according to Glassdoor user ratings.
Candidates applying for R&D Engineer roles take an average of 48 days to get hired, when considering 6 user submitted interviews for this role. To compare, the hiring process at Penumbra overall takes an average of 30 days.
Common stages of the interview process at Penumbra as a R&D Engineer according to 6 Glassdoor interviews include:
Group panel interview: 27%
Phone interview: 27%
One on one interview: 27%
Background check: 7%
Personality test: 7%
Skills test: 7%
Here are the most commonly searched roles for interview reports -
I applied online. The process took 2 months. I interviewed at Penumbra (Alameda, CA) in Oct 2022
Interview
Screening phone call, then a call with the hiring manager, lastly a panel interview with several key stakeholders. All of these were virtual. They responded fairly quickly to my initial application.
Interview questions [1]
Question 1
During the panel interview, it seemed like everyone came up with their own questions, so there were a lot of variants of “deep dive into one of your previous projects for me”.
I applied online. I interviewed at Penumbra (Alameda, CA) in Jan 2026
Interview
The interviewers were very nice and asked very personalized questions from my resume. It was a lot less technical than other interviews I had and seemed more like a conversation about my background than a full on interview.
Interview questions [1]
Question 1
Tell me about a time in a project where you would go back and change something differently.
I applied online. The process took 5 weeks. I interviewed at Penumbra (Alameda, CA) in Oct 2022
Interview
Four rounds of interviews. First, initial phone screen with recruiter. Then, two separate interviews 1:1 with hiring manager and another manager in R&D. Lastly, a panel interview with 5-6 other members of R&D.
Interview questions [1]
Question 1
I don't remember any specifics, but nearly every manager asked me to describe my experiences, then honed in on specific projects or roles to ensure that I had an excellent technical understanding of what I was working on. Overall, pretty laid back.