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# Senior L3 Network Engineer

- **Company:** Intone Networks
- **Location:** Durham, NC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Cloud Computing, Data Centers, Enhanced Interior Gateway Routing Protocol, EtherChannel, Supervisory Control and Data Acquisition (SCADA), Hot Standby Router Protocol, Virtual Private Networks (VPN), Multi-protocol Systems, Python (Programming Language), Network Security, Network Layer, Network Monitoring, Routing, Network Segmentation, Cisco Nexus Switches, Open Shortest Path First (OSPF), Ansible, Zero Trust Network Access, SAP Sales and Distribution, Storage Virtualization, Wireshark, Virtual Local Area Networks, Wide Area Networks, Integrated Service Routers, Google Cloud, Firewalls (Computer Science), Infrastructure Automation Frameworks, SolarWinds (Software), Palo Alto Networks, Operational Systems, Routing & Switching, Terraform, Open Network Automation Platform, Splunk, Industrial Software, Cisco, Vmware
- **Published:** July 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=33dfd3682a275b34

## About the Role

Gateway, and Virtual WAN solutions. -Support Operational Technology (OT) networks, including manufacturing, SCADA, PLC, and industrial systems. -Perform root cause analysis, problem management, and major incident resolution for network outages. -Develop network automation using Terraform, Ansible, Python, and infrastructure-as-code practices. -Monitor network performance, security, and availability using enterprise monitoring and security tools. -Create technical documentation, lead network modernization initiatives, and collaborate with security, cloud, and infrastructure teams on strategic projects. Required Skills: -Cisco Routing & Switching (Catalyst, Nexus, ISR, ASR) -Palo Alto Strata, Panorama, GlobalProtect -SD-WAN (Cisco Viptela, Prisma SD-WAN) -Azure, AWS, GCP Networking -BGP, OSPF, EIGRP, MPLS -Network Security & Zero Trust -OT/Industrial Networking (SCADA, PLC, MES) -Terraform, Ansible, Network Automation -Wireshark, SolarWinds, ThousandEyes, Splunk -CCNP / PCNSE Preferred
Experience: -10+ years enterprise network engineering with strong Cisco, Palo Alto, SD-WAN, Cloud Networking, and Manufacturing/OT network expertise

## Description

Job Description: -Provide L3 support for enterprise, data center, cloud, and manufacturing network environments. -Design, deploy, and maintain Cisco routing and switching infrastructure. -Manage advanced routing protocols including BGP, OSPF, EIGRP, MPLS, and route redistribution. -Configure and support Layer 2/Layer 3 technologies including VLANs, STP, EtherChannel, HSRP, and QoS. -Administer Palo Alto Strata Next-Generation Firewalls, Panorama, GlobalProtect, NAT, and security policies. -Implement Zero Trust, network segmentation, and IT/OT security controls. -Design, deploy, and support SD-WAN solutions including Cisco SD-WAN (Viptela) and Palo Alto Prisma SD-WAN. -Support Projects for Compute Area (VMWare VSAN Project in US Domestic Region) -Manage WAN connectivity across MPLS, Internet, DIA, VPN, and hybrid network environments. -Design and support cloud networking across Azure, AWS, and GCP environments. -Implement and maintain ExpressRoute, Direct Connect, Cloud VPN, Transit


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