Concrete Block Retaining Wall Design

I need a retaining wall designed to be approximately 165 ft long and 4 ft tall, retaining a slope of about 2 to 1.
Los Angeles County

Requirements:
- Primary material: Concrete block
- Finish: Smooth

Ideal Skills and Experience:
Licensed in Los Angeles County
- Experience with retaining wall design and construction
- Proficiency in working with concrete block
- Knowledge of slope stabilization techniques

Please provide relevant experience and any design ideas you may have.