Senior Network Engineer – Load Balancer​/Firewall Specialist

Position: Senior Network Engineer – Load Balancer / Firewall Specialist
Peraton Overview Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace.

The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit  to learn how we’re keeping people around the world safe and secure.

Responsibilities Peraton is seeking an experienced Senior Network Engineer specializing in load balancing and firewall technologies to support enterprise network infrastructure and security operations. This individual will serve as a subject matter expert (SME) in application delivery, traffic management, and network security, with a primary focus on Palo Alto Networks firewalls and enterprise load balancing solutions. The Senior Network Engineer will lead the design, deployment, administration, and optimization of these technologies to ensure secure, reliable, and high performing network services across distributed and hybrid cloud environments.

The ideal candidate will bring hands on experience with Palo Alto Networks next generation firewalls and F5 BIG IP or comparable application delivery platforms, along with strong networking fundamentals, security policy management, and advanced troubleshooting skills.

This position requires full time, on site presence at one of the designated locations in Ashburn, VA;
Springfield, VA; or Orlando, FL.Day to Day

Roles and Responsibilities:

Architect, deploy, and manage enterprise load balancing platforms: F5 BIG-IP (LTM, GTM/DNS, ASM, APM), Citrix ADC (Net Scaler), HAProxy, NGINX, or AWS/Azure load balancers

Design and maintain Next-Generation Firewall (NGFW) infrastructure with a primary focus on Palo Alto Networks PAN-OS, as well as Fortinet Forti Gate, Cisco Firepower/FTD, or Check Point Develop and enforce firewall rulesets, security policies, NAT configurations, and zone-based access controls using Palo Alto Panorama for centralized policy management across distributed deployments

Configure and manage Palo Alto-specific security features:
App-, User-, Content-, Security Profiles (Antivirus, Anti-Spyware, Vulnerability Protection, URL Filtering, Wild Fire)
Deploy and manage Palo Alto Global Protect for remote access VPN and mobile workforce security

Configure and optimize load balancing algorithms, health monitors, persistence profiles, SSL offloading, and iRules/policies

Manage SSL/TLS certificate life cycles, including termination, re-encryption, and certificate management platforms

Implement and maintain Web Application Firewall (WAF) policies — including Palo Alto Prisma Cloud and F5 ASM — to protect against OWASP Top 10 and application-layer threats

Manage Palo Alto Panorama templates, device groups, and log forwarding at scale across multi-site deployments

Support high availability (HA) architectures including active/active and active/passive clustering for both firewalls and load balancers

Integrate load balancing and firewall solutions with hybrid and multi-cloud environments (AWS, Azure, GCP)
Perform firewall rule base audits, cleanup, and optimization to reduce attack surface

Conduct traffic analysis and packet capture to diagnose complex application and connectivity issues

Collaborate with application, Dev Ops, and security teams…