Day-to-day administration, monitoring, and maintenance related to routers, switches, firewalls, load balancers, packet shapers, wireless systems, and circuits. Design, implement, and monitor network systems related to: Cisco network routers, switches, firewalls, load balancers, WiFi systems, Circuits: WAN/MPLS, internet, replication, SIP, Network VPNs. Assure off-site disaster recovery environment is consistently available. Participate in disaster recovery testing as directed. Work with IT Security Team to select, implement, and maintain security-related systems and address related incidents/events. Conduct troubleshooting and repair tasks on network at a detailed level and by device. Identify and resolve recurring issues and mitigate reliability risks. Coordinate, plan, and/or execute multiple annual disaster recovery exercises. Adhere to established change management processes. Create and maintain operational procedures. Provide level 3 technical support and participate in team on-call rotation. Participate in capacity planning, ensuring that systems have the capacity to meet strategic business needs with few or no reliability issues. Work with 3rd-party vendors to procure hardware and software solutions, as well as addressing updates and issues after implementation. Provide assistance and mentoring to Network Infrastructure Administrators and other Network Infrastructure Engineers. Other duties may be assigned to meet ongoing business needs.