There are 5 steps to follow when designing and implementing a new organizational structure:
Step 1. Map Key Process Cycles
Step 2. Map Functions
Step 3. Clarify & Adopt Structure
Step 4. Place People
Step 5. Plan & Execute Roll Out

Learn more:
Test Drive PSIU Assessments
Buy the book How to Think About Hiring
Buy the book Designed to Scale
Buy the book Organizational Physics