About us. When one hears the word Opa. it usually brings with it a sense of excitement and happiness. From the earliest times, the Greeks have always celebrated life to its fullest. It is this celebration and feeling that we at Opa. want to bring to you. We are looking for a Kitchen Suervisor to supervise daily back of house restaurant operations. Responsibilities include supervising the food prep and cooking, maintaining a fully-stocked kitchen ...