Need a server administrator with extensive experience in postfix and virtualmin

I am looking for a highly experienced server administrator who specializes in postfix and virtualmin. The main tasks for this project include troubleshooting severe server issues.

Key requirements:
- Extensive experience in troubleshooting server issues
- In-depth knowledge of postfix and virtualmin
- Strong problem-solving skills

Ideal skills and experience:
- Proven track record in resolving severe server issues
- Proficiency in setting up and configuring postfix
- Expertise in managing virtualmin server

Please note that this is a one-time project and does not require ongoing server maintenance.