Job Description

Senior Network / Firewall Engineer (Palo Alto)

Location: Dallas, TX (Hybrid – 3 days onsite)
Duration: 8-Month Contract (Strong Potential for Extension)

Overview

A large enterprise organization in the Dallas area is seeking a Senior Network / Firewall Engineer with deep expertise in Palo Alto technologies to support and enhance its enterprise network security infrastructure. This role is ideal for someone who has operated in complex, large-scale environments and can take ownership of firewall design, implementation, and optimization efforts.

You’ll play a key role in securing critical infrastructure, supporting ongoing initiatives, and ensuring high availability across the network environment.

Key Responsibilities

• Design, implement, and support Palo Alto firewall solutions across a large enterprise environment
• Manage and optimize network security policies, NAT configurations, and traffic flows
• Perform firewall rule reviews, audits, and clean-up efforts to maintain security posture
• Troubleshoot complex network and security issues across LAN/WAN environments
• Support network segmentation, zero-trust initiatives, and security best practices
• Collaborate with cross-functional teams including Security, Infrastructure, and Cloud teams
• Assist with incident response and root cause analysis related to network security events
• Maintain documentation for network architecture, configurations, and processes
• Participate in on-call rotation or after-hours support as needed

Required Qualifications

• 5+ years of experience in network engineering within large enterprise environments
• Strong hands-on experience with Palo Alto firewalls (PAN-OS)
• Solid understanding of:
  • Routing & Switching (BGP, OSPF, VLANs, TCP/IP)
  • VPN technologies (IPSec, SSL VPN)
  • NAT, ACLs, and network segmentation
• Experience working in complex, multi-site environments
• Ability to troubleshoot and resolve high-level network and firewall issues

Preferred Qualifications

• CCNA or CCNP certification
• Palo Alto certifications (PCNSE, PCNSA) strongly preferred
• Experience with:
  • Panorama (centralized firewall management)
  • Cloud networking (AWS, Azure, or GCP)
  • Network monitoring and logging tools
• Exposure to Zero Trust architectures or advanced security frameworks