Senior Excel Model Architect

I run a consulting and systems advisory practice focused on pricing models, financial logic, and operational cost structures.
I'm looking for a high-level Excel specialist to become my right-hand operator for complex projects.
This is structured logic engineering + professional client-facing output design.
The first engagement will involve modernizing a legacy pricing model that includes:
• Embedded pricing logic
• Conditional calculations (system types, depth variables, quantity drivers)
• Cost + labor breakdown
• Overhead + markup separation
• Customer-facing printable proposal output
• Job costing sheet for field teams
• CSV export structure for ERP upload
The goal is to rebuild structure, and also make it look more professional.
What I Need
You must be able to:
• Reverse engineer messy spreadsheet logic
• Extract and formalize calculation rules
• Build structured variable tabs (single source of truth)
• Create professional printabl...