Remove unauthorized mdm like configurations from iphone/mac/pixel 7 and keep them from returning

I am looking for a skilled professional who can help me remove unauthorized mdm configurations from my iPhone. These configurations appeared on my device without my knowledge, and I need them to be permanently removed and prevented from returning in the future.

Ideal Skills and Experience:
- Experience in removing unauthorized mdm configurations from iOS devices
- Knowledge of security measures and techniques to ensure the configurations do not return
- Familiarity with iPhone operating system and settings
- Ability to implement preventative measures to avoid future unauthorized installations