overqualified

/ˌoʊvərˈkwɑlɪfaɪd/
adjective
  1. Having more education, training, or experience than a job requires.
    • He felt overqualified for the internship but needed the experience.
    • Many employers hesitate to hire overqualified candidates who might leave quickly.
    • She was overqualified for the cashier position but applied anyway.