Network Engineer: Enterprise Firewall & Load Balancing

Peraton; Orlando (FL); On-site; USD 110,000 - 150,000; Full time

Job summary

Peraton is seeking a Network Engineer specializing in Firewall & Load Balancing to design, implement, and secure enterprise network security infrastructure. The role emphasizes F5 BIG-IP load balancing, Palo Alto NGFW, and Cisco FTD managed through FMC, in collaboration with DHS CBP NOC teams.

The candidate will support secure configurations, incident response, and documentation across hybrid environments, with onsite work in Orlando or nearby Ashburn/Springfield, VA as required.

Qualifications

• Basic Qualifications: 8 years of experience with a Bachelor’s, 6 with a Master’s, 10 with an Associate’s, or 12 with a HS diploma.
• U.S. citizenship required for CBP and government positions.
• Ability to obtain a CBP Public Trust clearance.
• 5+ years hands-on experience in enterprise network engineering or network security.
• Experience administering and troubleshooting F5 BIG-IP solutions (LTM, virtual servers, pools, SSL profiles, traffic management).
• Experience configuring Palo Alto Networks NGFWs (security policies, NAT, VPN, Panorama).
• Experience supporting Cisco FTD devices using FMC.
• Strong understanding of network security concepts, TCP/IP, OSI, routing, VLANs, VPNs, segmentation.
• Experience with monitoring/troubleshooting tools like SolarWinds, PRTG, Splunk, Wireshark.

Responsibilities

• Design, configure, maintain, and troubleshoot enterprise network security infrastructure (firewalls, load balancers, VPNs).
• Administer F5 BIG-IP environments (LTM, GTM/DNS, virtual servers, pools, iRules, SSL, health monitors).
• Manage SSL/TLS certificates, traffic optimization, and load-balancing configuration.
• Support F5 WAF policies and security configurations.
• Configure Palo Alto networks NGFWs (security policies, NAT, VPNs, decryption).
• Administer Palo Alto Panorama for centralized firewall management.
• Maintain Palo Alto App-ID, User-ID, Content-ID, Threat Prevention, URL Filtering, WildFire.
• Manage Cisco FTD through FMC; develop ACP, IPS policies, Snort tuning in FMC.
• Perform firewall event analysis, security monitoring, incident investigation, troubleshooting.
• Support VLANs, segmentation, routing, VPN connectivity, and network performance optimization.
• Develop and maintain network documentation and runbooks.
• Support change management for network security changes; ensure testing and approvals.
• Monitor performance, troubleshoot incidents, perform root cause analysis, support SLAs.
• Collaborate on Zero Trust concepts and security compliance.

Skills

Network engineering

Security concepts

TCP/IP

VLANs

VPNs

Troubleshooting

Education

Bachelor's degree

Master’s degree

Associate’s degree

High school diploma

Tools

F5 BIG-IP

Palo Alto NGFW

Cisco FMC

Firepower Management Center

SolarWinds

PRTG

Wireshark

Job description

Peraton is seeking a Network Engineer specializing in Firewall & Load Balancing to design, implement, and secure enterprise network security infrastructure. The role emphasizes F5 BIG-IP load balancing, Palo Alto NGFW, and Cisco FTD managed through FMC, in collaboration with DHS CBP NOC teams.

The candidate will support secure configurations, incident response, and documentation across hybrid environments, with onsite work in Orlando or nearby Ashburn/Springfield, VA as required.