Scientist applicants have rated the interview process at Charles River Laboratories with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 57% positive. To compare, the company-average is 67% positive. This is according to Glassdoor user ratings.
Candidates applying for Scientist roles take an average of 31 days to get hired, when considering 8 user submitted interviews for this role. To compare, the hiring process at Charles River Laboratories overall takes an average of 26 days.
Common stages of the interview process at Charles River Laboratories as a Scientist according to 8 Glassdoor interviews include:
Phone interview: 27%
Group panel interview: 20%
One on one interview: 13%
Presentation: 13%
Skills test: 7%
Other: 7%
Background check: 7%
Drug test: 7%
Here are the most commonly searched roles for interview reports -
Straight forward, standard interview. Typical interview questions. First a screening call with a 10-15 minute conversation, then an in person interview. Total process took a couple of weeks. Everyone was helpful and very responsive.
I applied in-person. I interviewed at Charles River Laboratories (Philadelphia, PA)
Interview
The interview process was pretty quick and efficient. I received an initial interview over the phone with a recruiter to discuss position and qualifications. After initial interview, I received a 1 hour panel interview, in-person/onsite.
I applied online. I interviewed at Charles River Laboratories in Apr 2026
Interview
1. recruiter call 2. panel interview (dir. of tech ops, hiring manager, research scientist) 3. onsite interview (2 on 1s with your team and team you'd work close with. asks both technical and behavioral questions; leaning more behavioral for in-person
Interview questions [1]
Question 1
Talk about troubleshooting in lab; also asked if you have direct experience with skills listed.
I interviewed at Charles River Laboratories (Manchester, England)
Interview
1st round interview online- about 30 mins. 2nd round- straightforward interview on site which was approx 1hr long. Tour of the site and labs along with lab skills assessment came in after
Interview questions [1]
Question 1
Tell us about your skills that you would bring to the role?