Wi-Fi Installation in Multi-Level Parking Garage

I need a reliable Wi-Fi network installed in a multi-level parking garage. The primary purpose of this network is to facilitate software updates for customer cars.

Requirements:
- Coverage across several parking levels
- High reliability and stability
- Ability to support multiple concurrent connections

Ideal Skills and Experience:
- Experience with Wi-Fi installation in large, complex environments
- Knowledge of network configurations to ensure robust coverage
- Background in handling similar projects in commercial settings

Please provide examples of similar work done and ensure the solution can handle the specific requirements of vehicle software updates.