Network Firewall Lead

CACI•Sterling, VA

11h•Onsite

About The Position

We are seeking an experienced and skilled Network Firewall Lead to oversee the design, implementation, and maintenance of our organization's firewall infrastructure. The ideal candidate will be responsible for ensuring the security, performance, and reliability of our network perimeter defenses across multiple locations and cloud environments.

Requirements

Bachelor's degree in Computer Science, Information Technology, or equivalent work experience
10+ years of related work experience
TS/SCI with Poly
Exceptional organizational skills and attention to detail
Expert-level knowledge of major firewall platforms (e.g., Palo Alto, Cisco ASA, Forcepoint)
Experience with network security and software-defined networking (SDN) concepts
Hands-on experience with network security concepts, such as VPNs, NAT, IDS/IPS, and DMZ configurations.
Strong understanding of network protocols (TCP/IP, DNS, HTTP, etc.), network routing protocols (OSPF, EIGRP, BGP), and network architectures.
Excellent troubleshooting, problem-solving, and analytical skills
Strong communication skills, both written and verbal

Nice To Haves

Industry certifications such as CISSP, CISM, CCNP Security, Palo Alto PCNSE, or equivalent are highly desired.
Proficiency in scripting languages (e.g., Python, Bash) for automation and management tasks

Responsibilities

Manage and mentor the Firewall team
Lead the design, implementation, and maintenance of enterprise-wide firewall solutions
Develop and enforce firewall policies and procedures aligned with industry best practices and compliance requirements
Manage and optimize firewall rules, access control lists (ACLs), and security policies
Conduct regular security audits and vulnerability assessments of firewall configurations
Troubleshoot complex firewall and network security issues
Implement and manage next-generation firewall features such as IPS, application control, and SSL inspection
Coordinate with other IT teams to ensure proper integration of firewall systems with other security and network technologies
Stay current with emerging threats and security trends, recommending and implementing improvements as needed
Provide technical leadership and mentoring to junior firewall and security team members
Manage vendor relationships and evaluate new firewall technologies and solutions
Develop and maintain documentation for firewall configurations, change management, and disaster recovery procedures
Participate in on-call rotation for critical firewall and network security incidents