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Layer3 Jobs in Texas (NOW HIRING)

Layer3 information

What are the key skills and qualifications needed to thrive as a Layer 3 network engineer?

To thrive as a Layer 3 Network Engineer, you need a solid understanding of networking protocols (such as OSPF, EIGRP, and BGP), routing concepts, and typically a degree in computer science or a related field. Experience with network hardware (routers, switches), network monitoring tools, and certifications like Cisco CCNP or Juniper JNCIS are commonly required. Strong problem-solving abilities, attention to detail, and effective communication are vital soft skills for this role. These skills and qualifications are essential to ensure secure, efficient, and reliable network performance in complex IT environments.

What is a Layer3?

Layer3 jobs typically refer to positions that involve working with the network layer (Layer 3) of the OSI model, which is responsible for routing data packets between devices across different networks. Professionals in these roles often manage routers, configure IP addressing, and implement routing protocols to ensure efficient and secure data transmission. Common job titles include network engineer, network administrator, and network architect. These roles are critical in designing, maintaining, and troubleshooting complex network infrastructures for organizations.

What are some common challenges faced by Layer3 network engineers, and how can they be addressed?

Layer3 network engineers often encounter challenges such as managing complex routing protocols, troubleshooting network congestion, and ensuring seamless integration between different network layers. Staying current with evolving technologies and maintaining strong documentation practices can help address these issues. Collaboration with cross-functional teams, such as security and systems administrators, is also crucial to quickly identify and resolve network anomalies. Continuous learning and hands-on experience with network simulation tools can further enhance problem-solving skills in this role.

What is the difference between Layer3 vs Network Engineer?

AspectLayer3Network Engineer
Required CertificationsCCNA, CCNP, CompTIA Network+CCNA, CCNP, CompTIA Network+
Work EnvironmentData centers, enterprise networks, ISPsCorporate offices, data centers, service providers
Industry UsageNetworking hardware, routing, switchingNetwork design, implementation, troubleshooting

Layer3 specialists focus on routing, switching, and network infrastructure at the OSI model's third layer, often working with routers and switches. Network Engineers also handle network design and troubleshooting but may have a broader scope including network security and infrastructure planning. Both roles require similar certifications and work environments, but Layer3 roles are more specialized in routing protocols and network hardware configuration.

Infographic showing various Layer3 job openings in Texas as of August 2026, with employment types broken down into 89% Full Time, 3% Part Time, and 8% Contract. Highlights an 76% Physical, 10% Hybrid, and 14% Remote job distribution.

Network Engineer / Fabric / Arista

Simple Solutions

Dallas, TX • On-site

Other

Posted 3 days ago

New


Job description

Position: Network Engineer with Fabric and Arista

Location: Dallas,Texas, Columbus OH, Alpharetta, GA, Marietta, GA, Kansas City, MO, Berkley Heights NJ, Omaha NE, Frisco/Dallas TX, Denver CO

Duration: 9 Months

15+ Years

Network Hosting and Fabric Services Engineer

Duration: 9+ Months

Contract Designation: 5 days week on site; Columbus OH, Alpharetta, GA, Marietta, GA, Kansas City, MO, Berkley Heights NJ, Omaha NE, Frisco/Dallas TX, Denver CO

Position Overview

What does a successful Network Engineer do?

A qualified candidate can expect a fast paced, challenging & rewarding role in delivering a variety of Network, Security, Cloud, Virtualization, SDN & Automation technologies. Individuals are commonly involved in early conceptual assessments through POC s.

Candidates should expect to be an integral part of many transformative initiatives that will institute automated self-service solutions to efficiently deliver on internal & external customer demands.

What you need to have

  • Excellent communication skills (written/verbal) to properly articulate complicated Network/Security designs to Management and Business partners
  • Meticulous documentation & task/time management skills
  • Practical knowledge of Industry standard Network/Security best practices & solutions
  • Excellent diagnostic skills in troubleshooting complex Networking technologies throughout all layers of the OSI model
  • Experience with Multi-Tenant & Multi-Data-Center deployments
  • Expert in tuning and diagnosing dynamic routing protocols and associated attributes for complex route manipulation
  • Experience in designing/deploying/maintaining highly available Underlay & Overlay Networking & Security constructs (MPLS, eVPN, VxLAN)
  • Experience with Software Defined Networking solutions (SDWAN, NFV, Cloud Provider Peering)
  • Experience with Coding & related Automation technologies
  • Experience in provisioning/protecting/maintaining Internet peering points, Public IP Management and DDOS services
  • Experience in Automating Network and/or Security deployments & functions in a Multi-Tenant/Multi-Data-Center environment
  • Experience in Coding/Scripting languages (Python, Ansible, Powershell, Netmiko, Netconf, Napalm, Jinja, Yaml, JSON, API s)
  • Functional understanding of PCI/DSS controls, protections & best practices
  • Experience in deploying/diagnosing the following protocols & functions: IP, TCP, UDP, DNS, DHCP, HTTP/S, VLANs, MPLS, IPSEC, DMVPN, BGP, OSPF, EIGRP, VRF, VxLAN, RPKI, eVPN, VRRP, MLAG, VPC, STP, Anycast, IPSEC, SSL, TLS
  • (6C for BOE, C2 for IRS)

What would be great for you to have

  • Experience in deploying & maintaining large scale L2 & L3 Data Center Networks
  • Experience with Cisco (IOS & NXOS) and Arista (EOS) Data Center equipment
  • Layer1 & 2 Protocols (Spanning-Tree modes and modifications, Trunking, MLAG/VPC)
  • DataCenter Fabric deployment types (FabricPath, VxLAN, EVPN)
  • Interconnecting disperse DataCenter Fabric technologies (VxLAN, EVPN)
  • Layer3 Routing Protocols and Network Routing techniques (BGP, OSPF)
  • Deploying/Managing Complex BGP routing policies
  • Experience with VMWare platforms and Networking (VMotion, HCX, FXRails, VxRails)
  • Experience with Automation Toolsets, Scripting & Config Templating (GitLab, Python, Jinja, Netbox, Vendor API's)