Penetration Testing on Network Infrastructure

I'm in need of a cybersecurity expert who can conduct penetration testing on my network infrastructure, specifically focusing on my servers. and try to change the specific data i provide to change in the sever undetected and should delete all the trace of each and evry activity which was made to change the data

Ideal skills and experience:
- Proficient in penetration testing methodologies
- Experience in testing network infrastructure
- Knowledgeable in server vulnerabilities
- Familiar with cybersecurity best practices and standards.