Structural Analysis for Concrete Slab Staircase

I need a licensed structural engineer to evaluate my plans for cutting an opening through a concrete slab (over 12 inches thick) to create a staircase in a residential building.

Requirements:
- Analyze structural integrity and feasibility
- Review full set of structural drawings
- Provide a detailed report on whether the plan is possible

Ideal Skills and Experience:
- Expertise in residential structural engineering
- Experience with concrete slab modifications
- Strong analytical and reporting skills