Structural Modifications to House Plan

I'm looking for a professional to assist with some necessary structural changes to my house plan. The modifications primarily involve the walls and the roof. A key part of this project will be replacing the current frame construction with CMU (Concrete Masonry Units). Ideal Skills: - Extensive knowledge and experience in structural engineering and architecture - Proficiency in designing with CMU - Ability to make practical and safe modifications to a house plan Experience: - Prior projects involving significant structural changes to a house plan - Demonstrable experience working with CMU - Successful past projects on freelancer.com would be a plus