For more information, visit: www.gpinet.com Responsibilities: Perform daily monitoring and maintenance of the Traffic Communications NetworkTroubleshoot network issues affecting both office and field-deployed equipmentAssign and manage IP addresses and VLANsMaintain accurate inventory of network assetsConfigure, operate, maintain, and upgrade network infrastructureSupport network security best practices and system hardeningIntegrate new network and ITS assets into the existing environmentProvide hands-on technical support for traffic signal, CCTV, and communications systems Required Qualifications: Bachelors degree in Computer Science, Computer Engineering, or Information TechnologyCurrent Cisco CCNA certificationStrong experience with network troubleshootingAbility and willingness to work on site at the Nassau County TMC in Westbury, NYAvailability to support assigned weekday shifts (7:00 AM 4:00 PM or 10:00 AM 7:00 PM) Preferred Qualifications: CCNP Enterprise certification (current or actively working toward)Experience installing and configuring Cisco Catalyst switchesExperience configuring Cisco ASA firewallsWorking knowledge of TCP/IP, SNMP, and multicast video You will work on-site and collaborate closely with County staff, GPIs Project Manager, and a Deputy Network Engineer to ensure the secure, reliable, and efficient operation of a complex IP network.