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 -
Got the opportunity through on campus event. Be ready for typical questions like problem solving, challenges, and troubleshooting etc. also be ready to talk about the project that you are most proud of.
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.
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”.