Clean Harbors seeks a CleanPack Chemist to safely identify, classify, and process hazardous and non-hazardous materials for collection, packing, and disposal. You will perform on-site chemical assessments, segregate wastes per regulatory and compatibility guidelines, and prepare detailed labels and manifests. Partner with field teams to ensure compliance with EPA, DOT, and OSHA standards while upholding our safety-first culture. This role supports critical environmental protection work and offers growth in analytical, regulatory, and industrial chemistry skills.