Colas interview questions
Updated Apr 14, 2026Difficulty
Average
Experience
Very positive
How others got an interview
- 17%Campus RecruitingCampus Recruiting
- 13%Employee ReferralEmployee Referral
- 10%In PersonIn Person
- 8%RecruiterRecruiter
- 2%OtherOther
- 2%Staffing AgencyStaffing Agency
Interview search
81 interviews
Colas interviews FAQs
- Glassdoor users rated their interview experience at Colas as 80.4% positive with a difficulty rating score of 2.53 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for employé polyvalente de restauration and Ingénieur Travaux Tour de région rated their interviews as the hardest, whereas interviews for Ingénieur Stagiaire and Conducteur De Travaux roles were rated as the easiest.
- The hiring process at Colas takes an average of 29 days when considering 46 user submitted interviews across all job titles. Candidates applying for Technicien De Laboratoire had the quickest hiring process (on average 1 day), whereas Compagnon roles had the slowest hiring process (on average 180 days).
- Common stages of the interview process at Colas according to 46 Glassdoor interviews include:
One on one interview: 34%
Phone interview: 20%
Presentation: 13%
Personality test: 11%
Background check: 8%
Skills test: 7%
IQ intelligence test: 5%
Other: 3%
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