FireEye​/Gigamon Cybersecurity Engineer Security Clearance

Position: FireEye / Gigamon Cybersecurity Engineer with Security Clearance
Position Title:

Fire Eye / Gigamon Cybersecurity Engineer
Client: DCMA Enterprise Network Support Services (ENSS)

Location:

22nd Century Technologies, McLean, VA Clearance:
Active DoD Secret Clearance Required Certification Requirements:
• Security+ CE (IAT Level II minimum), CASP+, CISSP, CCNP Security, or equivalent preferred

Position Overview
The Fire Eye / Gigamon Cybersecurity Engineer provides engineering, administration, monitoring, and operational support for the Defense Contract Management Agency (DCMA) Enterprise Security Architecture. This position is responsible for deploying, managing, and optimizing Fire Eye/Trellix security platforms and Gigamon visibility solutions to enhance threat detection, network observability, incident response, and cybersecurity operations across DCMA enterprise environments.
The engineer works closely with Network Operations Center (NOC), Cybersecurity Operations, RMF, ACAS, SIEM, Firewall, and Network Engineering teams to ensure continuous monitoring, threat visibility, and protection of enterprise networks supporting CONUS and OCONUS users.
Fire Eye Helix was designed to unify network, endpoint, and third-party security visibility while integrating threat intelligence and automated security operations capabilities. Gigamon provides deep observability and network-derived intelligence by delivering optimized traffic to security and monitoring tools, eliminating network blind spots and improving threat detection. Primary Responsibilities
Fire Eye/Trellix Operations

• Administer and maintain Fire Eye/Trellix security platforms, including: o Fire Eye Network Security (NX) o Fire Eye Email Security (EX) o Fire Eye Endpoint Security (HX) o Fire Eye Helix SIEM/XDR o Fire Eye Central Management System (CMS)
• Monitor and analyze security events, malware detections, indicators of compromise (IOCs), and advanced persistent threats (APTs).
• Develop correlation rules, threat-hunting use cases, dashboards, and automated response workflows.
• Integrate Fire Eye solutions with: o Log Rhythm SIEM o ACAS o CheckPoint Firewalls o Cisco Security Platforms o Active Directory o Threat Intelligence feeds
• Conduct incident response activities and forensic investigations utilizing Fire Eye and Mandiant intelligence resources.
• Support Cybersecurity Service Provider (CSSP) operations and enterprise security monitoring. Gigamon Visibility Fabric Operations

• Engineer and administer Gigamon visibility solutions, including: o GigaVUE Appliances o GigaSMART o GigaVUE Fabric Manager o Deep Observability Pipeline
• Configure TAPs, packet brokers, traffic aggregation, filtering, deduplication, and SSL/TLS decryption services.
• Design and maintain traffic distribution policies supporting: o Fire Eye/Trellix o Log Rhythm o ACAS o IDS/IPS o Network Performance Monitoring tools
• Optimize east-west and north-south traffic visibility across: o Data Centers o Cloud Environments o Virtualized Infrastructure o Hybrid Networks
• Perform packet analysis and troubleshooting using: o Wireshark o TCPDump o Gigamon Analytics Gigamon solutions provide traffic intelligence, packet optimization, metadata generation, filtering, and visibility across hybrid cloud and enterprise environments. Cybersecurity Engineering

• Develop and implement security architecture improvements.
• Support RMF security controls and continuous monitoring activities.
• Conduct vulnerability assessments and remediation validation.
• Support STIG compliance initiatives.
• Participate in Change Management and Configuration Control Boards (CCB).
• Create engineering documentation, SOPs, implementation guides, and technical reports.
• Provide Tier III escalation support for cybersecurity incidents. Monitoring and Reporting

• Provide 24x7x365 operational support as required.
• Generate daily, weekly, and monthly cybersecurity status reports.
• Brief government leadership on: o Security incidents o Threat trends o Visibility gaps o Risk mitigation actions o Compliance posture

Required Qualifications

• Active DoD Secret Clearance.
• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or related field (or…