Network Engineer III
Peyton Resource Group
Arlington, TX
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JOB DETAILS
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 employeesINDUSTRY
Staffing/Employment Agencies
WEBSITE
https://www.prg-usa.com/