Principal Network Security Engineer
Core
Design, engineer, and implement enterprise network security architecture for a large, distributed Department of Defense environment, including firewalls, intrusion detection, zero-trust networking, and secure connectivity.
Role type
Principal Network Security Engineer (IC with leadership)
Builds
Enterprise network security architecture, secure connectivity solutions, and compliance artifacts for DoD systems
Domain
Defense / Network Security
Required skills
Network security architecture design, firewall policy management, intrusion detection/prevention, network access control, zero-trust implementation, TCP/IP and routing protocols, security compliance (NIST, FedRAMP, STIGs), technical leadership, engineering documentation
Preferred skills
CISSP, Palo Alto PCNSE, Cisco CCNP Security, Python, Ansible, REST APIs, automated firewall policy management, enterprise certificate management, SASE, micro-segmentation
Technologies
Ansible, Aruba, Cloud, Cisco, Firewall, Flow Support, ITSM, NAT, Network, Python, REST, Security, TCP/IP, VPN, Web, Windows
Responsibilities
Design and implement network security architecture including firewalls, IDS/IPS, and zero-trust controls; lead security projects from concept to implementation; assess architectures and identify security gaps; manage firewall policies and ACLs; coordinate with network engineering and cybersecurity teams; brief government leadership and approval boards; produce accreditation artifacts and technical documentation; mentor engineering and analysis teams.
Seniority
Principal, hands-on IC with strategic leadership
