Serve as a Cisco Phone System Administrator to configure, administer, and maintain Cisco Unified Communications Manager (CUCM), Unity Connection, and related VoIP infrastructure, which includes phone trees, call handlers, translation patterns, phone migrations, and creating DNs, call schedules for office hours, user profiles, extension assignments, voicemail settings, and call routing rules. Administer and monitor Barracuda Cloud Email Security Gateway for spam filtering, phishing protection, malware scanning, and policy enforcement, including investigating and remediating email threats, quarantines, and delivery issues using the Barracuda dashboard.