Extensive demonstrated knowledge of supporting, maintaining, and configuration of network security firewall systems such as Fortinet (preferred), Cisco, Palo Alto, and Check Point; Content filtering solutions, network defense against malware, viruses, phishing schemes, ransomware, and other threats. Working knowledge of the installation, testing and maintenance of network and telephony cabling including copper (CAT 3, 5, 5E, 6, 7) and fiber optic (single mode and multimode) and related copper and fiber optical test equipment.