Clean Harbors carries a Seen Grade of 67/100, with an average wait of about 18 days to hear back and a 35% ghost rate. Here's what applicants report.
Environmental and hazardous-waste services. Glassdoor interview experience ~59% positive over 167 reports, difficulty 2.43/5, ~18-day average; typically 1-3 interviews (HR, a site visit with a future partner, then manager/stakeholders) plus an extensive background check and drug screen. Most hear back within a week. High turnover means constant postings; sentiment is mixed rather than warm. Reported average time to first response is about 18 days. Applicants report roughly 3 interview round(s).
Check Clean Harbors's full hiring report for the latest grade, the city-by-city breakdown, and recent applicant reports. If you've already applied, track it so you know exactly when to follow up — and report what happened so the data stays honest for everyone after you.
Seen aggregates real applicant reports into a 0–100 transparency grade. Scores are community signals, not verified facts, and update as new reports come in. Last refreshed hourly.