After retirement, Nishimura became a manager for his alma mater Kwansei Gakuin University and Kwangaku Club. As Kwangaku Club manager, he led the club to won 1958 and 1959 Emperor's Cup. In 1976, he signed with Japan Soccer League Division 2 club Yomiuri. In 1977 season, he led the club to won the championship and promoted Division 1. He resigned in 1980.