Johns Manville
Part of Berkshire Hathaway
Engaged Employer
Johns Manville interview questions
Updated Feb 15, 2026Difficulty
Average
Experience
Mostly positive
How others got an interview
- 13%RecruiterRecruiter
- 9%Campus RecruitingCampus Recruiting
- 4%Employee ReferralEmployee Referral
- 4%In PersonIn Person
- 3%OtherOther
- 1%Staffing AgencyStaffing Agency
Interview search
81 interviews
Johns Manville interviews FAQs
- Glassdoor users rated their interview experience at Johns Manville as 62% positive with a difficulty rating score of 2.75 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Production and Customer Service Associate rated their interviews as the hardest, whereas interviews for Inspector/Packer and Administrative roles were rated as the easiest.
- The hiring process at Johns Manville takes an average of 26 days when considering 73 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 Material Handler had the quickest hiring process (on average 1 day), whereas Employee roles had the slowest hiring process (on average 120 days).
- Common stages of the interview process at Johns Manville according to 73 Glassdoor interviews include:
Phone interview: 23%
Drug test: 16%
Group panel interview: 16%
One on one interview: 16%
Background check: 12%
Skills test: 7%
Presentation: 5%
IQ intelligence test: 2%
Other: 2%
Personality test: 1%
Here are the most commonly searched roles for interview reports -
- Machine Operator(16) ;
- Engineer(11) ;
- Machine Attendant(9) ;
- Production Operator(8) ;
- Manager(7) ;
- Account Specialist(6) ;
- Process Engineer(6) ;
- Production(6) ;
- Production Supervisor(6) ;
- Engineering Intern(5) ;
- Inspector/Packer(5) ;
- Account Manager(4) ;
- Fiberizer(4) ;
- Financial Analyst(4) ;
- Maintenance Technician(4) .