Senior L3 Network Engineer (Cisco, Palo Alto, SD-WAN, Cloud & OT)
12+ Months Contract
Hybrid Role in Durham, NC
Video + Onsite Interview
1. Provide L3 support for enterprise, data center, cloud, and manufacturing network environments.
2. Design, deploy, and maintain Cisco routing and switching infrastructure.
3. Manage advanced routing protocols including BGP, OSPF, EIGRP, MPLS, and route redistribution.
4. Configure and support Layer 2/Layer 3 technologies including VLANs, STP, EtherChannel, HSRP, and QoS.
5. Administer Palo Alto Strata Next-Generation Firewalls, Panorama, GlobalProtect, NAT, and security policies.
6. Implement Zero Trust, network segmentation, and IT/OT security controls.
7. Design, deploy, and support SD-WAN solutions including Cisco SD-WAN (Viptela) and Palo Alto Prisma SD-WAN.
8. Support Projects for Compute Area (VMWare VSAN Project in US Domestic Region)
9. Manage WAN connectivity across MPLS, Internet, DIA, VPN, and hybrid network environments.
10. Design and support cloud networking across Azure, AWS, and Google Cloud Platform environments.
11. Implement and maintain ExpressRoute, Direct Connect, Cloud VPN, Transit Gateway, and Virtual WAN solutions.
12. Support Operational Technology (OT) networks, including manufacturing, SCADA, PLC, and industrial systems.
13. Perform root cause analysis, problem management, and major incident resolution for network outages.
14. Develop network automation using Terraform, Ansible, Python, and infrastructure-as-code practices.
15. Monitor network performance, security, and availability using enterprise monitoring and security tools.
16. Create technical documentation, lead network modernization initiatives, and collaborate with security, cloud, and infrastructure teams on strategic projects.
Required Skills
1. Cisco Routing & Switching (Catalyst, Nexus, ISR, ASR)
2. Palo Alto Strata, Panorama, GlobalProtect
3. SD-WAN (Cisco Viptela, Prisma SD-WAN)
4. Azure, AWS, Google Cloud Platform Networking
5. BGP, OSPF, EIGRP, MPLS
6. Network Security & Zero Trust
7. OT/Industrial Networking (SCADA, PLC, MES)
8. Terraform, Ansible, Network Automation
9. Wireshark, SolarWinds, ThousandEyes, Splunk
10. CCNP / PCNSE Preferred
Experience: 10+ years enterprise network engineering with strong Cisco, Palo Alto, SD-WAN, Cloud Networking, and Manufacturing/OT network expertise
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