Network Engineer; Mid-Level

This role requires candidates who are currently authorized to work in the U.S. without sponsorship, and C2C arrangements are not accepted. This role is fully on-site in Irving, TX.

We are seeking a mid-level Network Engineer to join an enterprise infrastructure and network services team. This position is ideal for an engineer with strong networking fundamentals who enjoys hands-on troubleshooting, configuration, upgrades, and supporting complex network environments.

The Network Engineer will support day-to-day network operations across data centers, corporate locations, and a large distributed network environment. This role provides broad exposure to enterprise networking technologies and an opportunity to continue developing technical expertise alongside an experienced engineering team.

• Support day-to-day enterprise network operations and resolve network-related incidents and service requests.
• Configure, troubleshoot, and maintain enterprise switches, routers, wireless infrastructure, and related network technologies.
• Create and manage VLANs, trunk ports, switching configurations, and network segmentation.
• Perform firmware, software, and code upgrades across network infrastructure.
• Review running and saved configurations and troubleshoot configuration-related issues.
• Execute network changes, including verification, rollback, and change-management procedures.
• Troubleshoot routing, switching, connectivity, wireless, and firewall-related issues.
• Provide advanced escalation support for complex networking problems.
• Support enterprise data center, corporate, and multi-site network environments.
• Assist with monitoring, alerting, network performance, and infrastructure lifecycle activities.
• Coordinate with telecommunications carriers and technology vendors to troubleshoot circuit and infrastructure issues.
• Participate in scheduled maintenance windows and an on-call rotation as required.
• Continue developing expertise across networking technologies, security platforms, wireless infrastructure, and network automation.

• Approximately 4-7 years of hands-on network engineering experience.
• Strong understanding of networking fundamentals, including:
  • TCP/IP and the OSI model
  • IP addressing and subnetting
  • Routing and switching
  • VLANs and trunking
  • Spanning Tree
  • DHCP and DNS
• Hands-on experience configuring enterprise switches through CLI.
• Experience creating VLANs, configuring trunk ports, and implementing network changes.
• Experience performing firmware or software upgrades on network equipment.
• Ability to read, review, and troubleshoot network configurations.
• Experience troubleshooting network issues in a production environment.
• Working knowledge of firewall policies and network security fundamentals.
• Strong problem-solving skills with the ability to work independently.
• Self-motivated, curious, and interested in learning new technologies.

• Experience with Aruba switching and/or wireless technologies.
• Experience with Cisco networking technologies.
• Experience with Palo Alto firewalls.
• Experience with Juniper/Junos networking platforms.
• Exposure to SD-WAN technologies such as Velo Cloud, Viptela, Silver Peak, or similar.
• Experience supporting large, distributed, or multi-site network environments.
• Enterprise wireless experience, including 802.11 and 802.1X.
• Data center networking experience.
• Familiarity with packet capture and network analysis tools.
• Exposure to routing protocols such as OSPF and BGP.
• Experience with network monitoring and observability platforms.
• Exposure to network automation using Python, Ansible, APIs, or similar technologies.

• CCNA or equivalent networking experience preferred.
• Other relevant certifications may include JNCIA/JNCIS, Aruba certifications, Network+, or CCNP.
• High school diploma or GED required.
• Associate degree, technical training, or relevant certifications preferred.
• A bachelor's degree is not required.

The ideal candidate has strong networking fundamentals and enough hands-on experience to operate independently while still being eager to learn and grow. This person should be comfortable troubleshooting real-world network issues, making configuration changes, and working across multiple networking technologies rather than being limited to a single platform.

The environment is particularly well suited for someone who is curious, self-directed, technically strong, and ready to expand into additional areas of enterprise…