Shipping Container Foundation and Solar Engineering

I need a foundation plan for a 20-foot shipping container and engineering for solar panels mounted on the roof.

Requirements

- Flat, firm ground placement - Solar roof system to produce about 2.5 kW, utilizing most of the roof space - Roof will support solar array; batteries and inverter will be inside Ideal Skills & Experience: - Structural engineering for foundations - Solar panel installation and design - Experience with shipping container modifications