General Dynamics Information Technology is a global technology and professional services company. They are seeking a motivated Network/Firewall Engineer Principal to support the design, operations, and maintenance of their network and security infrastructure, collaborating with senior engineering staff to manage Palo Alto firewalls in a multi-tenant environment.
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