Secure My cPanel Server from Hackers

My business's cPanel server has been compromised. It's been sending random emails and I need an expert to trace the hack, stop the spam, and secure the server from further attacks.

Ideal Skills:
- Extensive experience with cPanel
- Strong cybersecurity background
- Proficient in server management
- Skilled in tracing and eliminating hacks
- Experience in setting up robust security measures

Current Security Measures:
- SSL is currently in place.

Please, let me know if you have the expertise to solve this issue promptly and effectively. Thank you.