Mid-Level Network Engineer

Job Title: Mid-Level Network Engineer

Location: Katy, TX (hyrbid on-site work model)

Duration: 6 Months Contract

Overview

Seeking a mid-level Network Engineer to serve as a fully dedicated resource supporting a large-scale, multi-vendor network environment. These engineers will play a central role in the client''s HPC data center fabric, enterprise security infrastructure, distributed WAN, and wireless operations. This is a hands-on, high-visibility engagement requiring strong technical range across data center, security, and WAN technologies, along with the ability to operate independently in a fast-paced, mission-critical environment.

Key Responsibilities

HPC Data Center Networking (Primary Focus)

• Deploy and maintain spine-leaf data center fabric across Arista, Juniper, and Cisco platforms, with Arista being the main focus.

• Configure and troubleshoot BGP EVPN/VXLAN overlays supporting high-performance compute workloads

• Support capacity planning, performance tuning, and fabric expansion activities

Enterprise Security Infrastructure

• Support a 29-site Palo Alto NGFW refresh program during a 12-month rollout

• Perform firewall configuration, policy migration, and cutover activities across distributed sites

• Coordinate with security teams to validate rule sets and maintain compliance standards throughout the refresh

WAN / SD-WAN

• Troubleshoot WAN connectivity, routing, and performance issues

• Support site turn-ups, migrations, and ongoing optimization

Wireless Infrastructure

• Provide support for enterprise wireless environments, including troubleshooting, configuration, and performance monitoring

Monitoring, Automation, and Documentation

• Support network monitoring and telemetry platforms to maintain visibility and proactive issue detection

• Develop and maintain automation scripts using Python and Ansible to streamline recurring network tasks

• Maintain accurate IPAM records and network documentation, including topology diagrams and configuration standards

Operations and Support

• Handle day-to-day operational tasks, including moves, adds, changes, and troubleshooting across the environment

• Collaborate with cross-functional teams including security, cloud, and infrastructure groups

Required Skills and Experience

• 3 to 6 years of experience in enterprise network engineering

• Hands-on experience with Arista, Juniper, and Cisco platforms in a data center environment

• Working knowledge of BGP, EVPN, and VXLAN in spine-leaf architectures

• Experience with Palo Alto NGFW configuration and policy management

• Familiarity with SD-WAN technologies, Aruba EdgeConnect experience preferred

• Exposure to wireless infrastructure support

• Scripting and automation experience with Python and Ansible

• Experience with IPAM tools and network documentation practices

• Strong troubleshooting skills across both cloud and on-premises environments

• Willingness to participate in an on-call rotation

Preferred Qualifications

• Relevant certifications such as CCNP, JNCIP, Palo Alto PCNSE, or Aruba ACSA/ACSP

• Prior experience supporting large-scale, multi-site security refresh programs