Network/Firewall Engineer Principal - Remote

General Dynamics Information Technology

21h•$99,892 - $135,148•Remote

About The Position

We are seeking a motivated Network/Firewall Engineer Principal to support the design, operations, and maintenance of our network and security infrastructure. This role will collaborate with senior engineering staff to manage Palo Alto firewalls (physical and virtual), Panorama, and related technologies in a multi-tenant environment. The ideal candidate has foundational networking knowledge, hands-on experience with Palo Alto tools, and a strong desire to grow their skills in enterprise network engineering. At GDIT, the mission is our purpose, and our people are at the center of everything we do. ● Growth: AI-powered career tool that identifies career steps and learning opportunities ● Support: An internal mobility team focused on helping you achieve your career goals ● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off ● Flexibility: Full-flex work week to own your priorities at work and at home ● Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. The likely salary range for this position is $99,892 - $135,148. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

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

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.