Network/Firewall Engineer Principal - Remote

General Dynamics Information Technology is a global technology and professional services company delivering consulting and mission services across the U.S. government. They are seeking a motivated Network/Firewall Engineer Principal to support the design, operations, and maintenance of network and security infrastructure, collaborating with senior engineers to manage Palo Alto firewalls and related technologies.

Responsibilities:

• Provide day-to-day support for Palo Alto Networks firewalls, including physical appliances and virtual firewalls
• Perform configuring, managing, and monitoring multi-tenant firewall environments
• Support Panorama administration, including device group updates, template management, and centralized policy changes
• Troubleshoot basic network and security issues, escalating complex problems as needed
• Perform routine maintenance such as upgrades, patches, and configuration backups
• Responsible for network documentation, diagrams, and change records
• Monitor network performance, health, and alerts to ensure stability and security
• Work with senior engineers on implementation tasks, firewall rule changes, and tenant provisioning
• Follow established change control, security policies, and operational procedures
• Provide technical support to internal teams and end users as needed

Requirements:

• BA/BS or equivalent
• 8+ years of experience
• Experience with Palo Alto Networks firewalls (physical or virtual)
• Experience with firewall log analysis and traffic monitoring
• Familiarity with Panorama for centralized management and policy deployment
• Familiarity with network automation concepts or scripting (Python, PowerShell)
• Understanding of networking fundamentals including routing, switching, TCP/IP, NAT, and Remote Access (VPN)
• Understanding of cloud and/or on-premises environments to include virtual infrastructure platforms
• Experience in or exposure to multi-tenant or segmented network environments
• Understand the practices of network inspection and filtering (TLS Break and inspect)
• Exposure to network security best practices
• Strong troubleshooting and analytical skills
• Ability to manage multiple tasks and work collaboratively within an engineering team
• Strong communication skills
• Eagerness to learn and grow within the networking/security domain
• Strong attention to detail and commitment to operational excellence
• Ability to work effectively with both technical and non-technical stakeholders
• Collaborative mindset with a positive, service-oriented approach
• Must be able to obtain and maintain a Secret clearance
• US Citizenship Required