A warehouse checker is responsible for weighing, measuring, and checking materials in a warehouse. Your job duties include using industrial weighers for bulk materials, collecting measurements data on materials, and recording samples of materials as directed by the warehouse supervisor. The qualifications for a career as a warehouse checker include a high school diploma or equivalent certification. To be successful in this job, you need to have strong attention to detail and experience and skills working with materials in a warehouse setting. You also need to be mindful of safety procedures when working with certain materials.