Senior Network Engineer

Job Title: Network Engineer (Mid-level)
Location: Katy, TX (hybrid on-site work model)
Duration: 6 Months to Hire

Overview
WWT is 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