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Endpoint Security Engineer III - Nessus
CACI
St. Louis, MO, USPosted Jul 31, 2026 · 3d ago$75k – $158k
Full-time$75k – $158kSeniorOn-siteDefense
About this role
CACI is seeking a Senior Endpoint Security Engineer with expertise in Tenable products and Linux platforms to manage and administer their security suite. This role involves performing vulnerability scans, analyzing results, collaborating on remediation, and generating reports to support a National Geospatial-Intelligence Agency (NGA) mission. The position requires a TS/SCI clearance and offers opportunities for career growth in cybersecurity.
What we are looking for
6- Install, configure, and maintain Tenable Security Center, Nessus Scanners, and Nessus Managers on Linux
- Perform vulnerability scans and assessments, analyze results, and prioritize vulnerabilities
- Collaborate with IT and security teams for vulnerability remediation
- Generate and distribute vulnerability reports to stakeholders
- Monitor security alerts and respond to incidents
- Requires TS/SCI clearance and strong Linux administration skills
Skills mentioned
2PythonLinux
Work authorization
No visa sponsorship is available.
Must be authorized to work without sponsorship.
Requires a Ts Sci security clearance.
