Posted Oct 17, 2026

Cyber Security Engineer – Firewall

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Job Description: • Support a large Federal agency • Apply configurations on perimeter routers, firewalls, and security controls in accordance with NIST 800-53 • Provide recommendations regarding DOI perimeter UTM devices in accordance with NIST 800-53 and industry best practices for Fortigate products • Configure, deploy, and maintain FortiGate firewalls • Create and manage firewall policies, NAT, VIPs, and security rules • Configure IPsec and SSL VPNs for remote and site-to-site connectivity • Manage FortiManager for centralized firewall administration • Monitor security events and logs using FortiAnalyzer • Implement network segmentation using VLANs and security zones • Troubleshoot firewall, routing, VPN, and connectivity issues • Perform firewall rule reviews and remove obsolete or overly permissive rules • Develop and maintain firewall/network security documentation • Create security reports and dashboards for management or compliance requirements • Configure authentication integrations such as RADIUS, LDAP, Active Directory, and MFA • Perform network troubleshooting using packet captures, routing tables, logs, and FortiGate diagnostic commands • Participate in security architecture and network design projects • Test firewall policies and security controls after configuration changes • Automate repetitive security/network tasks using Python, APIs, or FortiManager automation Requirements: • Candidates must be located in the United States • 7 years of experience with a bachelor’s degree or 9 years of total experience • Proficient in network, routing, and switching • Proficient in network scripting • Proficient with OSI Models Layers 1-7 and network troubleshooting • Ability to work in both an individual and team environment • Flexibility to support after hours maintenance activities • Must be able to obtain a Position of Public Trust from Dept. of Interior • Fortinet NSE 4 Certified and/or Fortinet Certified Professional (FCP) preferred • Next Generation Firewall experience, preferably Fortinet • Experience supporting Incident Response (IR) Teams Benefits: • Unique benefits and personal touches to provide a positive work-life experience • Flexibility to support after hours maintenance activities