Senior L3 Network Engineer

Job Description
About This Opportunity

CTI Staffing is partnering with a leading consumer products organization to find a Senior Network Engineer for their infrastructure team based in Durham, NC (hybrid, 3 days onsite).

This team supports enterprise, data center, cloud, and manufacturing network environments across a large, complex organization. You'll be the senior technical voice on network design and security, working across Cisco infrastructure, Palo Alto security, SD-WAN, and multi-cloud connectivity, with exposure to industrial/OT networking supporting manufacturing operations.

What You'll Do

• Provide L3 support across enterprise, data center, cloud, and manufacturing network environments
• Design, deploy, and maintain Cisco routing and switching infrastructure using advanced protocols (BGP, OSPF, EIGRP, MPLS)
• Administer Palo Alto Next-Generation Firewalls, Panorama, and GlobalProtect, including NAT and security policy management
• Design and support SD-WAN solutions across enterprise and hybrid environments
• Design and support cloud networking across Azure, AWS, and GCP
• Support operational technology (OT) networks, including manufacturing and industrial systems
• Perform root cause analysis and lead major incident resolution for network outages
• Develop network automation using Terraform, Ansible, and infrastructure-as-code practices

Requirements

What You Bring

Must-Have:

• 10+ years of enterprise network engineering experience
• Deep hands-on experience with Cisco routing and switching (Catalyst, Nexus, ISR, ASR)
• Hands-on administration of Palo Alto Strata firewalls, Panorama, and GlobalProtect
• SD-WAN deployment experience (Cisco Viptela or similar platform)
• Multi-cloud networking experience across Azure, AWS, or GCP
• Strong background in BGP, OSPF, EIGRP, and MPLS routing protocols
• Network security and Zero Trust implementation experience
• Exposure to OT/industrial networking (SCADA, PLC, or MES environments)

Nice-to-Have:

• CCNP or PCNSE certification
• Network automation experience with Terraform or Ansible
• Experience with enterprise monitoring/security tools (Wireshark, SolarWinds, ThousandEyes, Splunk)
• VMware virtualization/storage project experience

Technical Environment:

• Cisco routing and switching, Palo Alto Strata/Panorama, SD-WAN platforms
• Azure, AWS, GCP networking
• Terraform, Ansible, Python-based network automation

What Success Looks Like:

• Owning network modernization initiatives across enterprise, cloud, and OT environments within the first 90 days
• Leading root cause analysis on major network incidents with minimal escalation support
• Contributing automation that reduces manual network operations tasks