Structural Engineer for Residential Wall Removal

I am seeking a licensed structural engineer to evaluate the removal of a few interior walls in my single-family home. I suspect they are not load bearing because of the trusses in my attic. Scope of Work: Visit the property and inspect the existing framing. Determine whether the wall is load-bearing. Design an appropriate structural solution if the wall is to be removed (header, beam, posts, etc.). Provide any necessary structural calculations. Prepare and sign a structural engineering letter and/or stamped drawings required for obtaining a residential building permit. Must be a licensed structural engineer in the state of Illinois. I live in the northwest suburbs of Chicago.