NewSenior Hearing Aid Specialist Costco Wholesale CorpSenior Hearing Aid SpecialistVISALIA, CAUses equipment located within the department to conduct testing and ear impressions in a manner which is safe to the member and consistent with a passing score on the 'Ear Impression Certification Exam'. Overrides and checks cash register codes, approves refunds Mentors employees enrolled in the Hearing Aid Apprentice Program (HAAP).