Washington Stamped Redi-Rock Retaining Wall Design

I need a Washington-licensed civil engineer to design a ~170' l.f., two-tier, 4' height (each tier) retaining wall for a permit package. The wall’s job is structural support along a sloped yard, and I want it built using Redi-Rock... (Budget: $250 - $750 USD, Jobs: AutoCAD, Building Architecture, Building Design, Civil Engineering, Construction Management, Geotechnical Engineering, Structural Engineering)