Qos, Desktop Support, Troubleshooting hardware and software issues, VoIP, Wireless Technology, Installing and upgrading operating systems and computer software, Network routing and switching, Troubleshooting networking and connection issues, Installing and maintaining hardware and computer peripherals, SIP, Cisco Unified Communications Manager

microsoft windows administration , office support , Asset Management, Linux desktop administration, Data center physical and logistical operations, Cybersecurity principles, Troubleshooting