Ecolab interview questions
Updated Jun 2, 2026Difficulty
Average
Experience
Very positive
How others got an interview
- 19%Campus RecruitingCampus Recruiting
- 10%Employee ReferralEmployee Referral
- 7%RecruiterRecruiter
- 4%OtherOther
- 4%In PersonIn Person
- 3%Staffing AgencyStaffing Agency
Interview search
1,080 interviews
Ecolab interviews FAQs
- Glassdoor users rated their interview experience at Ecolab as 68.8% positive with a difficulty rating score of 2.84 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Collections Analyst and Supervisor, Credit and Collections rated their interviews as the hardest, whereas interviews for Analista Cuentas Por Cobrar - Crédito Y Cobranza and Sr Manager roles were rated as the easiest.
- The hiring process at Ecolab takes an average of 37 days when considering 32 user submitted interviews across all job titles. Candidates applying for Billing had the quickest hiring process (on average 3 days), whereas Ingeniero De Proyectos roles had the slowest hiring process (on average 120 days).
- Common stages of the interview process at Ecolab according to 32 Glassdoor interviews include:
Phone interview: 19%
Presentation: 16%
One on one interview: 15%
IQ intelligence test: 14%
Skills test: 9%
Personality test: 8%
Other: 7%
Group panel interview: 7%
Background check: 4%
Drug test: 1%
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