UI/UX Design for Integrity Management App

I'm seeking a skilled freelancer to design a visual prototype for an Oil and Gas Integrity Management app, aimed at both field engineers and management on iOS and Android platforms.

The app's primary function is monitoring integrity, and it should be a lightweight alternative to GE APM (Meridium).

Requirements:
- Intuitive UI/UX design
- Cross-platform compatibility (iOS and Android)
- Experience in industrial or similar application design

Ideal Skills and Experience:
- Strong portfolio in mobile app design
- Proven expertise in UI/UX for monitoring tools
- Familiarity with the oil and gas industry is a plus

Please provide samples of previous work.