2h ago
Sr. Network Security Engineer III
Washington, DC
$207,000-$320,000 / year
full-timeseniorFederal government / defense
Tech Stack
Description
You will provide hands-on expertise securing mission-critical networks for a high-visibility federal customer. Your role involves designing, operating, and hardening complex security environments, strengthening and protecting these environments to enable secure mission delivery.
Requirements
- Active Top Secret with current or previously held SCI access
- Required certifications: Security+ and at least one platform-specific certification (PCNSE, Fortinet NSE, or Cisco security certification)
- DoD 8140 certification aligned to 441 Network Operations Specialist work role (e.g., Network+, Security+, Cloud+, SSCP, CASP+, CISSP, or CCNP Security)
- 10+ years of experience in network engineering with primary focus on enterprise network security infrastructure
- Hands-on experience with enterprise security platforms such as Palo Alto Networks, Fortinet, or Cisco security technologies
Responsibilities
- Design, implement, and manage firewalls, VPNs, IPS, and NAC solutions in mission-critical environments
- Secure network perimeters and internal network segments using defense-in-depth strategies
- Respond rapidly to security incidents, vulnerabilities, and operational needs
- Support continuous security hardening and improvement of network infrastructure
- Participate in Agile execution, technical planning, and security risk discussions
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