Senior Data Center Network Engineer – Juniper, Arista & Leaf-Spine Architecture

Location: Frisco, TX (Hybrid – 1–2 days onsite per week)
Remote Option: Candidates may be considered for remote work from a location with an client office, subject to approval.
Experience: Senior-Level
Position Type: Contract

Job Summary

We are seeking an experienced Senior Data Center Network Engineer to support enterprise infrastructure projects, data center network operations, and large-scale compute and storage deployments.

The ideal candidate will have strong hands-on experience with Juniper and Arista switching platforms, data center networking, and Leaf-Spine architecture. This role involves network design, troubleshooting, infrastructure migrations, refresh initiatives, and collaboration with cross-functional teams supporting mission-critical enterprise environments.

Candidates should have strong expertise in network routing, switching, IP traffic management, network monitoring, and enterprise infrastructure technologies.

Key Responsibilities

• Lead enterprise infrastructure deliverables from project initiation through completion.

• Coordinate with networking, storage, security, cloud, and data center operations teams.

• Support large-scale data center compute and storage deployments, migrations, and refresh initiatives.

• Configure, maintain, and troubleshoot enterprise network infrastructure.

• Support Juniper and Arista switching platforms and Leaf-Spine network architectures.

• Troubleshoot routing, switching, VLANs, ACLs, QoS, and IP connectivity issues.

• Support DNS, DDNS, DHCP, NTP, TCP/IP, IPv4, and IPv6 infrastructure.

• Work with F5 LTM/GTM, VPNs, firewalls, and network security technologies.

• Monitor network performance using NetFlow, SolarWinds, and application response-time monitoring tools.

• Support BGP, OSPF, RIP, IP Multicast, and MPLS technologies.

• Assist with SDN and SD-WAN implementations and network modernization initiatives.

• Troubleshoot network and equipment issues and coordinate resolution with infrastructure teams.

• Maintain network documentation, implementation procedures, and operational standards.

Required Qualifications

• Strong experience in enterprise data center networking and infrastructure environments.

• Hands-on experience with Juniper and Arista hardware switches.

• Strong understanding of Leaf-Spine architecture and data center network design.

• Advanced knowledge of TCP/IP, routing, switching, IPv4, and IPv6.

• Experience with BGP, OSPF, RIP, IP Multicast, and MPLS.

• Strong troubleshooting experience with VLANs, ACLs, QoS, DNS, DHCP, and IP traffic management.

• Experience with F5 LTM/GTM, VPNs, and enterprise network security technologies.

• Knowledge of network monitoring and troubleshooting tools, including NetFlow and SolarWinds.

• Experience with SDN, SD-WAN, and enterprise network infrastructure.

• Working knowledge of HPE Aruba, 3Com, H3C, Juniper, Arista, Palo Alto, Fortinet, and Check Point technologies.

• Understanding of server, virtualization, storage, and networking dependencies within enterprise data centers.

• Strong analytical, problem-solving, and cross-functional collaboration skills.