Sr. Network Engineer | Hybrid | W2 Only (No OPT).

Xlysi LLC.; Frisco (TX); Hybrid; USD 100,000 - 140,000; Full time

Job summary

Xlysi LLC. in Frisco, TX is seeking a Sr. Network Engineer to lead enterprise infrastructure across networking, storage, security, cloud, and data center operations.

The role focuses on planning, coordinating, and delivering large-scale compute and storage initiatives ensuring mission-critical applications are supported by robust infrastructure. The ideal candidate has hands-on experience with Juniper, Arista, HPE Aruba, Palo Alto, Fortinet, and Checkpoint, plus SDN/SD-WAN familiarity and a

Qualifications

• Experience in enterprise data center compute and storage infrastructure.
• Strong knowledge of TCP/IP, routing, DNS, DHCP, VPNs.
• Hands-on with Juniper, Arista, HPE Aruba, Palo Alto, Fortinet, Checkpoint.
• Ability to coordinate across teams and manage risk.

Responsibilities

• Lead infrastructure projects end-to-end.
• Coordinate cross-functional teams across networking, storage, security, cloud, and data center operations.
• Plan compute/storage deployments, migrations, and refresh initiatives.
• Configure and troubleshoot networking components (TCP/IP, Routing, DNS, DHCP, VPNs).
• Manage QoS, VLANs, ACLs; monitor performance with NetFlow, SolarWinds.

Skills

Data center compute

Networking fundamentals

Monitoring tools

IPv4/IPv6

Vendor hardware

Troubleshooting

Cross-team coordination

Tools

NetFlow

SolarWinds

Job description

Sr. Network Engineer | Hybrid | W2 Only (No OPT).

• Frisco, TX.

Role Overview

We are seeking a skilled IT Developer/Engineer to lead enterprise infrastructure deliverables across networking, storage, security, cloud, and data center operations. The role involves planning, coordinating, and delivering large-scale compute and storage initiatives while ensuring mission- critical applications are supported by robust infrastructure.

Key Responsibilities

• Lead infrastructure projects from initiation through closure.
• Coordinate cross-functional teams across networking, storage, security, cloud, and data center operations.
• Plan and deliver compute/storage deployments, migrations, and refresh initiatives.
• Configure and troubleshoot networking components (TCP/IP, Routing, DNS/DDNS/DHCP, F5 LTM/GTM, VPNs).
• Manage QoS, VLANs, ACLs, and monitor performance using Netflow, Solarwinds, and other tools.
• Support IPv4/IPv6 addressing, traffic management, DNS/DHCP, NTP, and security monitoring.
• Work with SDN, SD-WAN, and structured cabling systems.
• Troubleshoot and support Juniper, Arista, HPE Aruba, Palo Alto, Fortinet, and Checkpoint hardware/software.
• Provide technical leadership in Leaf & Spine architecture and data center environments.

Required Skills

• Strong knowledge of enterprise data center compute, storage, and infrastructure platforms.
• Advanced networking expertise (TCP/IP, Routing, DNS, DHCP, VPNs, MPLS, etc.).
• Experience with monitoring tools (Netflow, Solarwinds).
• IPv4 and IPv6 proficiency.
• Hands-on experience with Juniper, Arista, HPE Aruba, Palo Alto, Fortinet, Checkpoint.
• Strong troubleshooting and problem-solving skills.
• Ability to coordinate across teams and manage risk.

Preferred Skills

• Experience with SDN, SD-WAN.
• Knowledge of structured cabling systems and network facilities.
• Exposure to Leaf & Spine architecture.