Setup a Minecraft Server with Custom Modes

I'm looking for an experienced Minecraft server setup specialist to create a robust server for more than 50 players. The server should include the following custom modes: oneblock, realm, and lifesteal.

Key Requirements:
- Setup of oneblock, realm, and lifesteal modes
- Configuration for over 50 concurrent players
- Ensure server stability and performance
- Provide guidance on server management

Ideal Skills and Experience:
- Expertise in Minecraft server setup and configuration
- Experience with custom game modes
- Knowledge of server optimization for high player counts
- Strong problem-solving skills and reliability

Please share your relevant experience and approach to this project.