Sr. Network Engineer – Cisco ACI Network Segmentation; onsite
Job in
Arlington, Tarrant County, Texas, 76000, USA
Listed on 2026-02-21
Listing for:
Peyton Resource Group
Contract
position Listed on 2026-02-21
Job specializations:
-
IT/Tech
Cybersecurity, Systems Engineer, Network Engineer, IT Specialist
Job Description & How to Apply Below
- 3 Month Contract-to-Hire, possibly Direct Hire
- Salary Conversion $120-145K, DOE
- Arlington, TX
- 100% onsite is required; NO remote options
Immediate need for a Senior Network Engineer with extremely strong L2/L3 networking skills and hands-on Cisco ACI network segmentation implementation experience.
Responsibilities include:
- ACI Fabric Leadership:
Design and manage a Multi-Pod/Multi-Site Cisco ACI environment. Oversee the configuration of Tenants, VRFs, Bridge Domains, ESGs, EPGs, and Contracts - Security & Segmentation:
Architect and deploy segmentation strategies within the Data Center to prevent lateral movement of threats. - Serve as the final point of escalation for complex network outages (L1–L7). Conduct deep-dive root cause analysis (RCA) using packet capture and advanced telemetry.
- Maintain computer networks including routers, switches, VPNs and other physical hardware/software.
- Create firewall rules and update software and data security systems to keep data and communications protected.
- Improve knowledge and understanding of network and security best practices to offer the best solutions and protection to company systems.
Qualifications:
- 8–10+ years in Enterprise Networking with strong L2/L3 networking skills
- 3+ years of hands-on Cisco ACI and SD-WAN production experience
- CCIE (Data Center or Enterprise), CCNP (Data Center) or Cisco Certified Specialist in ACI/SD-WAN is highly preferred.
- Networking Protocols:
Expert knowledge of BGP, OSPF, VXLAN, EVPN, and MPLS - SDN Tools:
Deep familiarity with Cisco APIC, vManage, vSmart, and vBond controllers - Strong experience with Cisco Firewalls
- Advanced understanding of network services and networks protocols: BGP, OSPF, EIGRP, HSRP, VRRP, VRF, VTP, DHCP, DNS, etc.
- Advanced understanding and practical knowledge of networking systems such as routers, switches and firewalls
- Working knowledge with Cisco IOS and Nexus NX-OS
- Advanced understanding of OSI model and troubleshooting of technology related issues
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