Debian Server & WordPress Speed Optimization

I'm seeking a professional who can significantly enhance the performance of my Linux Debian 12 server and WordPress website. The server is experiencing slow responses and high CPU usage, and the website pages are loading slowly.

Debian 12
Php 8.3
Nginx
MariaDB
Webmin Virtualmin

Wordpress

Key Tasks:
- Address slow server response times and high CPU usage
- Optimize the loading speed of the WordPress website
- Ensure the caching mechanism setup is optimal
- Implement strategies to improve the overall performance and user experience

Ideal Experience:
- Proven experience in optimizing Linux Debian servers
- Expertise in WordPress speed optimization
- Familiarity with caching mechanisms, particularly within WordPress
- Strong problem-solving skills to identify and rectify performance issues on both server and website
- Ability to differentiate between static and dynamic content and tailor optimization strategies accordingly

Please highlight relevant experience in your bid.