Onsite in McLean Virginia.
Position Summary Our client is seeking a Senior Network Security Engineer to support, maintain, and optimize enterprise network security infrastructure within a highly regulated environment.
The ideal candidate will bring deep expertise in Palo Alto technologies, firewall administration, network segmentation, and infrastructure security operations. This individual will play a key role in ensuring network security, performance, reliability, and scalability while supporting modernization and compliance initiatives.
Key Responsibilities - Support enterprise network security operations across Palo Alto environments
- Execute firewall policy changes and infrastructure updates
- Perform software upgrades, patching, and lifecycle management activities
- Support network security modernization initiatives
- Troubleshoot complex network connectivity and security issues
- Implement and maintain network segmentation strategies
- Administer VPN technologies and secure remote access solutions
- Maintain technical documentation and operational procedures
- Collaborate with infrastructure and security teams on strategic initiatives
- Evaluate and recommend improvements to network security, performance, and scalability
Required Qualifications - 5+ years of Network Security Engineering experience
- Strong hands-on experience with Palo Alto NGFW platforms
- Experience administering Panorama
- Strong understanding of network segmentation and security zoning
- Experience supporting enterprise firewall environments
- Experience with VPN technologies and secure remote access
- Strong troubleshooting and root cause analysis skills
- Experience executing production firewall changes independently
- Excellent documentation and communication skills
Preferred Qualifications - Prisma Access
- Cortex
- GlobalProtect
- Cisco ISE
- Ansible
- Security Automation
- CMMC familiarity
- NIST 800-171 exposure
- Government or regulated industry experience
Success Profile - Hands-on network security expert
- Strong ownership mentality
- Independent problem solver
- Process-oriented
- Organized and detail-oriented
- Effective communicator
- Comfortable balancing operational support with project work
- Passion for modernization and continuous improvement
26-157440