Senior L3 Network Engineer

Posted 2 Days Ago
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Durham, NC, USA
In-Office
Senior level
Information Technology • Professional Services • Software • App development
The Role
Provides senior L3 network engineering across enterprise, data center, cloud, manufacturing, and OT environments. Designs and supports Cisco routing and switching, Palo Alto firewalls, SD-WAN, multi-cloud connectivity, and Zero Trust security. Leads major incident resolution and root cause analysis while developing network automation with Terraform, Ansible, and Python. The role also owns network modernization initiatives and supports industrial networking systems.
Summary Generated by Built In

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


Skills Required

  • 10+ years of enterprise network engineering experience
  • Hands-on experience with Cisco routing and switching, including Catalyst, Nexus, ISR, and ASR
  • Hands-on administration of Palo Alto Strata firewalls, Panorama, and GlobalProtect
  • SD-WAN deployment experience, including Cisco Viptela or similar platforms
  • Multi-cloud networking experience across Azure, AWS, or GCP
  • Strong experience with BGP, OSPF, EIGRP, and MPLS routing protocols
  • Network security and Zero Trust implementation experience
  • Exposure to OT and industrial networking, including SCADA, PLC, or MES environments
  • CCNP or PCNSE certification
  • Network automation experience with Terraform or Ansible
  • Experience with Wireshark, SolarWinds, ThousandEyes, or Splunk
  • VMware virtualization or storage project experience
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The Company
79 Employees
Year Founded: 1998

What We Do

CTI Consulting is a South Florida technology solutions and staffing firm founded in 1998. It provides IT staffing and nearshore staffing services for startups through Fortune 100 companies, alongside digital-product work such as designing, testing, deploying, improving, and updating mobile applications. The company emphasizes close client collaboration, comprehensive candidate evaluation, continuing education, and innovative, scalable software solutions that improve operational efficiency.

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