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Network Engineer III

Peyton Resource Group

Arlington, TX

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JOB DETAILS
SKILLS
Ansible, Applications Security, Automation, BGP, CCIE - Cisco Certified Internetwork Expert, CCNP - Cisco Certified Network Professional, Capacity and Performance Management, Cisco Network Systems, Cisco Nexus Switches, Document Change Management, EIGRP (Enhanced IGRP), Engineering, Enterprise Architecture, Firewalls, HSRP (Hot Standby Router Protocol), Identify Issues, Layer 3 Protocols, Network Administration/Management, Network Architecture/Engineering, Network Design, Network Monitoring, Network Operations Center, Network Routing, Network Support, Network Switching, Open Shortest Path First Protocol (OSPF), Performance Analysis, Performance Tuning/Optimization, Python Programming/Scripting Language, Routing Protocols, Security Policy, VLAN (Virtual Local Area Network), VRRP (Virtual Router Redundancy Protocol)
LOCATION
Arlington, TX
POSTED
30+ days ago

Arlington, TX
️Full-Time | Onsite
Position Overview
We are seeking an experienced Network Engineer to support and enhance a complex enterprise network environment in Arlington, TX. This is a fully onsite role requiring strong hands-on expertise with Layer 2 / Layer 3 networking and deep experience in Cisco ACI, particularly around network segmentation and policy-based design.

The ideal candidate will bring a strong understanding of enterprise architecture, routing/switching, and secure segmentation strategies within a modern data center environment.
Key Responsibilities

  • Design, implement, and support enterprise L2/L3 network infrastructure
  • Configure and troubleshoot switching and routing protocols (VLANs, STP, OSPF, EIGRP, BGP, etc.)
  • Deploy, manage, and optimize Cisco ACI fabric environments
  • Design and maintain network segmentation strategies using ACI constructs (EPGs, Contracts, VRFs, Tenants)
  • Implement micro-segmentation and policy-based security models
  • Perform network capacity planning, performance tuning, and monitoring
  • Support firewall integration and inter-VRF routing
  • Troubleshoot complex connectivity, segmentation, and traffic flow issues
  • Participate in change management, documentation, and network design reviews
  • Collaborate with infrastructure, security, and application teams to ensure secure and scalable network architecture

Required Qualifications
  • 5+ years of hands-on network engineering experience
  • Strong expertise in Layer 2 & Layer 3 networking concepts
  • Proven experience with:
    • VLANs, trunking, STP
    • OSPF, EIGRP, BGP
    • HSRP/VRRP
    • ACLs and routing policies
  • 3+ years of experience working with Cisco ACI
  • Demonstrated experience designing and implementing network segmentation using Cisco ACI
  • Experience working in enterprise data center environments
  • Strong troubleshooting skills across routing, switching, and segmentation policies
  • Experience with Cisco Nexus switching platforms

Preferred Qualifications

  • CCNP or CCIE certificationExperience integrating ACI with firewalls (Palo Alto, Cisco Firepower, etc.)
  • Experience with multi-site or multi-pod ACI deployments
  • Familiarity with network automation tools (Ansible, Python, Terraform)
  • Experience with network monitoring tools (SolarWinds, DNAC, etc.)

About the Company

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Peyton Resource Group

Established in 2001, Peyton Resource Group is a solution-based staffing company that matches businesses with top talent for short-term, long-term or permanent needs. People are a business’s most valuable asset. Peyton Resource Group is dedicated to helping companies find the best talent, matching professionals with jobs where they will thrive. With locations in Dallas/Fort Worth, San Antonio and Austin, we are available to serve your staffing needs throughout Texas and across the country.
COMPANY SIZE
100 to 499 employees
INDUSTRY
Staffing/Employment Agencies
WEBSITE
https://www.prg-usa.com/

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