Senior Network Engineer - Cisco & Juniper

Salary: $100,000 - 140,000 per year Requirements: At least 5 years of practical experience in:Cisco networking (routing, switching, wireless)Cisco Webex Calling and/or CUCMFortinet firewallsIn-depth knowledge of TCP/IP, VLANs, QoS, VPNs, and network security conceptsExperience in supporting VoIP and SIP-based systemsStrong analytical and problem-solving abilitiesExceptional client-facing communication skillsCisco certification (CCNA, CCNP, or higher)Fortinet NSE certification (preferred)Familiarity with SD-WAN solutions (preferred)Experience in cloud networking (Azure/AWS) (preferred)Background in consulting or managed service provider (MSP) roles (preferred) Responsibilities: Design, implement, and maintain Cisco-based LAN/WAN networksConfigure and oversee Cisco routers, switches, wireless devices, and routing protocols (OSPF, BGP, EIGRP)Deploy and manage Cisco Webex Calling and/or Cisco Unified Communications Manager (CUCM)Create dial plans, SIP integrations, and voice gateways, and troubleshoot VoIP issuesConfigure and oversee Fortinet (FortiGate) firewalls, VPNs (IPSec/SSL), NAT, and security protocolsConduct network evaluations, offer recommendations, and produce client documentationSpearhead migrations, upgrades, and security enhancement projectsProvide Level 3 troubleshooting and escalation assistance Technologies: AWSAzureCloudCiscoFortiGateLANNATNetworkSecurityTCP/IPSupport More: We are looking for a skilled Senior Network Consultant with a robust background in Cisco networking, Cisco Webex Calling/CUCM, and Fortinet firewalls. In this role, you will design, implement, optimize, and secure enterprise network and collaboration solutions for our clients. We value a candidate who is technically proficient, client-oriented, and adept at guiding projects from assessment through deployment. Our team enjoys a hybrid work location in Wilmington, DE, and offers competitive benefits including 401(k) matching, health, dental, and vision insurance, life insurance, paid time off, and employee discounts. last updated 16 week of 2026