Final answer:
The professional best fitting the description provided is a Network Technician, who is tasked with fixing network wiring and connectivity issues.
Step-by-step explanation:
The professional described in this scenario is a Network Technician. This person is responsible for diagnosing issues related to network wiring and hardware, resolving problems with internet and intranet connectivity, and collaborating with the Internet Service Provider (ISP) to ensure that network functions are restored. They need a deep understanding of network infrastructure to repair or replace damaged or destroyed components effectively.