Network Security Engineer III

Job Description

Job Description

Title: Network Security Engineer III

Location: Alexandria, VA

Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph

Job Details:

• Responsible for the deployment, configuration, and operational support of enterprise firewall infrastructure
• Execute enterprise networking fundamentals, including routing, switching, and end-to-end traffic flow
• Demonstrate LAN and WAN troubleshooting experience
• Hands on experience with eBGP, VLANs, and Palo Alto APP-ID
• Design, implement, and maintain NGFW security policies, including both physical and virtual firewalls
• Perform IDS/IPS configuration, tuning, and alert triage
• Read, produce, and maintain accurate network diagrams (Visio or equivalent)
• Conduct network security monitoring including traffic analysis and anomaly detection
• Troubleshoot routing, VLAN, and policy related issues impacting data flow across the enterprise
• Perform packet captures and traffic analysis to isolate and resolve complex connectivity issues
• Monitor and refine Splunk dashboards and alerts in support of firewall operations and incident investigation desired
• Collaborate with the network, SOC, and engineering teams during incidents and routine operations
• Document configurations, runbooks, and post incident findings

Requirements:

• Bachelor's degree from an accredited institute in a technical discipline; an additional four (4) years of experience may be substituted in lieu of a degree
• Minimum six (6) years of relevant experience in addition to education level
• Experience working in a DoD or Intelligence Community Environment desired
• Must possess current DoD 8570 IAT II and CCNP (or equivalent) certifications
• Current active TS/SCI clearance, with the ability to obtain and maintain a CI polygraph

Equal Opportunity Employer/Veteran/Disabled