Engineer Stamp for Retaining Wall

I need an engineer's stamp for structural review of existing concrete retaining wall that had a blow out during the concrete pour. We do have pictures and plan for repair, just want engineer to stamp the repair plan as achievable/successful... (Budget: $250 - $750 USD, Jobs: AutoCAD, Building Design, Building Engineering, CAD/CAM, Civil Engineering, Construction, Construction Engineering, Engineering, Engineering Drawing, Structural Engineering)