Network Engineer III
Posted: 02/16/2026
Job Number: 22244
Job Description
��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.)
Meet Your Recruiter
Share This Job:
Related Jobs:
Login to save this search and get notified of similar positions.About Arlington, TX
Ready to embark on an exciting career journey in the vibrant Arlington, Texas area? Discover a plethora of job opportunities surrounded by the charm of this thriving region. Arlington, centrally located between Dallas and Fort Worth, offers a blend of urban amenities and small-town warmth. With renowned landmarks such as AT&T Stadium, Globe Life Field, and the vibrant Arlington Highlands shopping district, there's never a shortage of things to explore. From the rich cultural scene at Arlington Museum of Art and Theatre Arlington to savoring the mouth-watering Tex-Mex cuisine, Arlington promises growth opportunities and a unique Texan experience. Check out our latest job listings and take the first step towards an enriching career in this dynamic region!