Certified Laboratories interview questions
Updated Apr 13, 2026Difficulty
Average
Experience
Mixed
How others got an interview
- 11%RecruiterRecruiter
- 6%In PersonIn Person
- 3%Employee ReferralEmployee Referral
- 3%Staffing AgencyStaffing Agency
Interview search
42 interviews
Certified Laboratories interviews FAQs
- Glassdoor users rated their interview experience at Certified Laboratories as 36.1% positive with a difficulty rating score of 2.5 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Sales Executive and Microbiology Technician rated their interviews as the hardest, whereas interviews for Lab Assistant and Lab Tech roles were rated as the easiest.
- The hiring process at Certified Laboratories takes an average of 24 days when considering 39 user submitted interviews across all job titles. To compare, the average duration of hiring at similar companies like BlackRock, Inc. is 14 days, Fabricated Software, Inc. is 2 days, and Apple Inc. is 21 days. Candidates applying for Administrative Assistant Sales had the quickest hiring process (on average 1 day), whereas Sales Executive roles had the slowest hiring process (on average 61 days).
- Common stages of the interview process at Certified Laboratories according to 39 Glassdoor interviews include:
One on one interview: 28%
Phone interview: 24%
Background check: 11%
Group panel interview: 10%
Skills test: 7%
Presentation: 6%
IQ intelligence test: 5%
Drug test: 5%
Personality test: 4%
Here are the most commonly searched roles for interview reports -
- Lab Technician(41) ;
- Lab Associate(11) ;
- Microbiologist(11) ;
- Microbiology Technician(11) ;
- Administrative Assistant(9) ;
- Microbiology Associate(9) ;
- Technician(9) ;
- Microbiology Lab Tech(8) ;
- Anonymous(6) ;
- Associate(6) ;
- Analytical Chemist(5) ;
- Lab Tech(5) ;
- Sales Representative(5) ;
- Chemist(4) ;
- Client Services(4) .
