Lead Vulnerability & Endpoint Security Engineer

VulnU; Fort Belvoir, Northern (VA, KY); Hybrid; USD 87,000 - 157,000; Full time

Job summary

Leidos is seeking a Vulnerability Management and Endpoint Security Administrator to support a large-scale DoD contract. The role focuses on ACAS/Nessus, Tanium, and Trellix across Windows and Linux endpoints, delivering risk-based remediation and enterprise security improvements.

The candidate will develop metrics, dashboards, and executive summaries while aligning with STIG, NIST, and DoD standards to maintain a strong security posture across the enterprise.

Qualifications

• Bachelor’s degree and 4 years of relevant cybersecurity, vulnerability management, endpoint security, systems administration, information assurance, or related technical experience, or 8 years in lieu of a degree.
• 4 years of progressively responsible experience in vulnerability management, endpoint security, cybersecurity engineering, or information assurance within an enterprise environment.
• Demonstrated ability to independently analyze complex cybersecurity vulnerabilities, assess risk, and recommend remediation actions.
• Strong hands-on expertise with ACAS/Nessus, Tanium, and Trellix endpoint-security technologies.

Responsibilities

• Independently analyze vulnerability and endpoint-security posture across Windows, Linux, and virtual environments and recommend risk-based actions.
• Administer ACAS/Nessus vulnerability-management capabilities, including scan architecture, policies, credentialed scanning, analysis, reporting, and troubleshooting.
• Leverage Tanium to analyze endpoint visibility, asset inventory, compliance, and remediation requirements.
• Investigate Trellix endpoint-security alerts and policy issues; assess configurations and remediation actions.
• Develop vulnerability-management metrics, dashboards, and executive-level risk summaries.

Skills

Vulnerability management

Endpoint security

Cybersecurity engineering

Risk assessment

DoD cybersecurity standards

Education

Bachelor’s degree

Tools

ACAS/Nessus

Tanium

Trellix Endpoint Security

Scripting (PowerShell / Python)

Job description

Leidos is seeking a Vulnerability Management and Endpoint Security Administrator to support a large-scale DoD contract. The role focuses on ACAS/Nessus, Tanium, and Trellix across Windows and Linux endpoints, delivering risk-based remediation and enterprise security improvements.

The candidate will develop metrics, dashboards, and executive summaries while aligning with STIG, NIST, and DoD standards to maintain a strong security posture across the enterprise.