Cyber Defense Lead - DoD/Govt Systems (Secret Clearance)

Mayvin, Inc.; Shiloh (IL); On-site; USD 130,000 - 170,000; Full time

Job summary

Mayvin, Inc. seeks an experienced Cybersecurity Operations Lead to oversee cyber defense operations across the U.S. Army Transportation Command's global IT environment. You will lead security monitoring, threat analysis, vulnerability management, incident detection and response, and reporting to Government stakeholders.

This role requires U.S. Citizenship and an active Secret clearance and focuses on protecting mission-critical systems while maintaining operational readiness.

Qualifications

• U.S. citizenship is required.
• Active Secret clearance is required.
• Experience leading cyber defense operations and coordinating with government stakeholders.

Responsibilities

• Lead day-to-day cybersecurity and cyber defense operations.
• Monitor security alerts, network activity, system logs, and SIEM data.
• Identify, analyze, document, and escalate potential cyber incidents.
• Coordinate incident response, containment, remediation, and recovery activities.
• Manage vulnerability scanning, analysis, tracking, and reporting.
• Oversee ACAS scans, Vulnerability Index reports, POA&Ms, and remediation efforts.
• Support RMF activities and maintain Authorization to Operate.
• Ensure cybersecurity activities comply with DoD, Army, DISA, and organizational requirements.
• Provide cybersecurity status, risks, trends, and recommendations to Government stakeholders.
• Lead cybersecurity personnel and coordinate security activities with system, network, application, and help-desk teams.

Skills

Cybersecurity operations

Threat analysis

Incident response

Vulnerability management

SIEM monitoring

Tools

SIEM

ACAS

RMF

POA&Ms

Job description

Mayvin, Inc. seeks an experienced Cybersecurity Operations Lead to oversee cyber defense operations across the U.S. Army Transportation Command's global IT environment. You will lead security monitoring, threat analysis, vulnerability management, incident detection and response, and reporting to Government stakeholders.

This role requires U.S. Citizenship and an active Secret clearance and focuses on protecting mission-critical systems while maintaining operational readiness.