Network Engineer (Senior)

ECS is seeking a Network Engineer (Senior) to work in our Redstone Arsenal, AL office.  Please Note: This position is contingent upon contract award.

ECS is seeking a highly skilled Network Engineer (Senior) to support cybersecurity operations for the Federal Bureau of Investigation (FBI) within its Security Operations Center (SOC). In this role, you will play a critical role in designing, maintaining, and securing the FBI's network infrastructure, ensuring real-time monitoring, threat detection, and incident response capabilities.

Operating 24/7/365, the SOC functions as the first line of defense against evolving cyber threats. The SOC Watch Floor Team is responsible for detecting, monitoring, preventing, and analyzing cybersecurity events in real time, safeguarding FBI systems against unauthorized access and malicious activity. As a Network Engineer, you will support these efforts by ensuring secure, resilient, and high-performing network environments.

Key Responsibilities

• Install, configure, maintain, and update FBI network infrastructure to support SOC operations.
• Implement, manage, and monitor Cisco ASA firewalls, intrusion prevention systems (IPS), and security appliances.
• Provide real-time network security monitoring, identifying vulnerabilities and mitigating cyber threats.
• Ensure high availability and secure connectivity between SOC environments and investigative teams.
• Troubleshoot and resolve network issues and outages, minimizing operational downtime.
• Perform risk assessments and vulnerability scans to maintain compliance with FBI cybersecurity policies.
• Develop and maintain network documentation, including configurations, diagrams, and SOPs.
• Support IPSEC VPN tunnel management, secure remote access, and authentication protocols.
• Collaborate with SOC analysts, incident responders, and cybersecurity teams to optimize security postures.
• Ensure network components adhere to NIST security standards and FBI compliance requirements.
• Provide off-hours support for critical networking updates, patches, and maintenance activities.
• Assist in integrating network logs into SIEM platforms for advanced threat detection and correlation.

• Active Top-Secret Clearance (SCI eligibility).
• Deep understanding of network security principles, including routing, VLANs, AAA services, and virtual networking.
• Extensive experience administering and securing Cisco ASA firewalls.
• Strong knowledge of IPSEC VPN tunnel configurations, SSL/TLS management, and encrypted communications.
• Experience with security scanning tools, vulnerability remediation, and compliance enforcement.
• Ability to conduct Wireshark packet analysis for forensic investigations and troubleshooting.