IT - Security Jobs in Saint Louis, MO

Cyber Security Intern - Summer 2026Job Category: Intern/Co-opTime Type: Part timeMinimum Clearance Required to Start: TS/SCIEmployee Type: Part-Time On-CallPercentage of Travel Required: NoneType of T...

Cyber Threat HunterJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Loca...

R-00168495Description Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analyti...

OverviewAbile Group has an exciting and challenging opportunity for an Endpoint Security Engineer on a contract providing Network and Cybersecurity services supporting an Intelligence Community custom...

Title Vulnerability Assessment Analyst - Intermediate Full-Time/Part-Time Full-Time Description RiVidium Inc (dba, TripleCyber) is seeking a Vulnerability Assessment Analyst who performs assessments o...

GDIT has an exciting opportunity as subcontractor within the National Geospatial-Intelligence Agency (NGA) in support of the customer's GEOINT mission. The Endpoint Security Engineer will support our ...

Information Assurance III - Exercise Planning and EvaluationJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Trave...

MANTECH seeks a motivated, career and customer-oriented Technical Surveillance Countermeasures Lead to join our team in St Louis, MO. Responsibilities include but are not limited to:Ensure Program ...

Endpoint Security Engineer III Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Trave...

Endpoint Security Engineer This position requires an active TS/Sensitive Compartmental Information (SCI) clearance. We are seeking an experienced Endpoint Security Engineer to support enterprise cybe...

Full Description Implement comprehensive security architecture and compliance frameworks for sensitive geospatial intelligence systems. Ensure robust protection of classified data while enabling autho...

CI Cyber Threat Analyst support (Level 4) will ensure all required reports are complete with minimal errors and that all processes, activities, and reports are conducted with in established time frame...

CI Cyber Threat Technical Analysis (Level 3) will ensure all required reports are complete with minimal errors and that all processes, activities, and reports are conducted with in established time fr...

Company OverviewWe are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locatio...

Amyx is seeking to hire a Vulnerability Assessment Analyst-Intermediate to support our Cybersecurity Division and Intel client in the St. Louis, MO area. ResponsibilitiesAnalyze organization's cyber d...