Principal Network/Firewall Engineer

General Dynamics Information Technology

Network/Firewall Engineer Principal supporting design, operations, and maintenance of network and security infrastructure. Collaborating with senior engineers on Palo Alto firewall management in a multi-tenant environment.

Posted 6/2/2026full-timeRemote • 🇺🇸 United StatesLead💰 $97,968 - $132,250 per yearWebsite

Tech Stack

Tools & technologies

CloudFirewallsPythonSwitchingTCP/IP

About the role

Key responsibilities & impact

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

What you’ll need

8 + years of related experience
US Citizenship Required
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)
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

Benefits

Comp & perks

Health insurance
401K with company match
Comprehensive benefits and wellness packages
Competitive pay
Paid time off
Full-flex work week to own your priorities at work and at home
Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental leave, military leave, bereavement and jury duty leave
Short and long-term disability benefits
Life insurance, accidental death and dismemberment, personal accident, critical illness insurance

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Hard Skills & Tools

Palo Alto Networks firewallsfirewall log analysistraffic monitoringPanoramanetwork automationPythonPowerShellroutingswitchingTCP/IP

Soft Skills

troubleshootinganalytical skillscollaborationcommunicationattention to detailoperational excellenceeagerness to learnservice-oriented approachability to manage multiple tasksworking with technical and non-technical stakeholders