> Markdown version of [/jobs/ext/3782458-core-network-engineer](https://www.wearedevelopers.com/jobs/ext/3782458-core-network-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Core Network Engineer - **Company:** Cardinal Integrated Technologies Inc - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Contract - **Skills:** Wireless LAN, User Authentication, Border Gateway Protocol, Cloud Computing, Hot Standby Router Protocol, Internetworking, Virtual Private Networks (VPN), Network Security, Network Architecture, Routing, Open Shortest Path First (OSPF), Virtual Local Area Networks, Virtual Router Redundancy Protocols, Wide Area Networks, Wireless Access Point, Wireless Networks, Wi-Fi Technology, Network Routers, Firewalls (Computer Science), Cisco, Network Optimization - **Published:** October 16, 2026 - **Apply:** https://www.dice.com/job-detail/9d10f9d9-8225-43ba-ad65-3fd3870677fc ## About the Role 8+ years of relevant experience in enterprise network infrastructure, operations, implementation, and troubleshooting. ## Description · Design, implement, operate, and troubleshoot enterprise Core and Campus Network infrastructure. · Manage Cisco routing and switching, including routers, switches, VLANs, STP, HSRP/VRRP, OSPF, BGP, and related technologies. · Design and support enterprise Wireless/Wi-Fi solutions, including WLAN controllers, access points, authentication, and wireless troubleshooting. · Manage and optimize Cisco Edge Network solutions, including WAN/Internet connectivity and branch/enterprise edge infrastructure. · Implement and support Network Security solutions, including firewalls, VPNs, ACLs, segmentation, secure network access, and security policies. · Troubleshoot complex LAN, WAN, WLAN, routing, switching, connectivity, and performance issues. · Perform network upgrades, migrations, implementations, configuration changes, and lifecycle management. · Collaborate with security, cloud, infrastructure, and application teams to resolve network-related incidents. · Maintain network architecture diagrams, configuration standards, technical documentation, and operational procedures. · Participate in major incident resolution, root cause analysis, capacity planning, and network optimization.