Sushi Assistant and Kitchen Helper for Dynamic Teppanyaki-Style Dining Destination. Mizu Steakhouse, a dynamic teppanyaki-style dining destination with esteemed locations in Tukwila, Covington, and Gig Harbor, WA, is actively seeking passionate individuals to fill the roles of Sushi Assistant and Kitchen Helper. Responsibilities. 1. Assist in the preparation of sushi dishes under the guidance of our expert chefs. 2. Maintain cleanliness and order...