Residential Metal Roofing Structural Design Assistance

I need a structural engineer to help with the design and material selection for a metal roof on my residential property. I have detailed blueprints for the structure, and can provide them for review.

Ideal freelancer should have:
- Proven experience in structural design, particularly with metal roofing
- Excellent knowledge of materials suitable for metal roofing
- Ability to interpret and work from detailed building plans