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IT - Security Jobs in Saint Louis, MO

IT - Security Saint Louis, MO

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IT - Jobs in Saint Louis, MO requiring security clearance

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CI Cyber Threat Analyst Support IV

New
TechGuard Security LLC
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Saint Louis, MO(On-Site/Office)
Updated Yesterday
10+ yrs exp
TS/SCI

The senior Contractor CI Cyber Threat Analyst will ensure all required reports are complete with minimal errors and that all processes, activities, and reports are conducted with in established time f...

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Information System Security Officer (ISSO) (TS/SCI CI Poly)

New
North Point Technology, LLC
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Saint Louis, MO(On-Site/Office)
Updated Today
Top Secret
Polygraph

This job requires an active Top Secret / SCI clearance with CI Polygraph. Please apply only if you currently hold an active Top Secret clearance with SCI and a CI Polygraph. North Point Technology is...

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Lead Product Security Engineer

New
Boeing
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Berkeley, MO(On-Site/Office)
Updated Today
Secret
Not Specified

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...

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Senior Product Security Engineer (Anti-Tamper Design/Integration

New
Boeing
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Berkeley, MO(On-Site/Office)
Updated Today
Secret
Not Specified

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...

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Senior Endpoint Security Engineer

New
D2 Consulting
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Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
Polygraph

**ACTIVE TS/SCI SECURITY CLEARANCE REQUIRED**Are you passionate about cybersecurity and ready to make a mission impact? D2 is growing, and we're looking for a Senior Endpoint Security Engineer to join...

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Product Security Analyst (Experienced or Senior)

Boeing
Berkeley, MO(On-Site/Office)
Updated Today
Secret
Not Specified

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...

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Endpoint Security Engineer

Abile Group
Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
CI Polygraph

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...

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Senior Product Security Engineer

Boeing
Berkeley, MO(On-Site/Office)
Updated Today
Unspecified
Not Specified

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...

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Product Security Engineers

Boeing
Berkeley, MO(On-Site/Office)
Updated Today
Unspecified
Not Specified

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...

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Cyber Security Intern - Summer 2026

CACI
Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
None

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...

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Cyber Threat Hunter

CACI
Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
Polygraph

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...

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Vulnerability Assessment Analyst - Intermediate

Rividium, Inc
Saint Louis, MO(On-Site/Office)
Updated Today
Secret
Not Specified

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...

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Endpoint Security Engineer

General Dynamics Information Technology
Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
Polygraph

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 ...

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Information Assurance III - Exercise Planning and Evaluation

CACI
Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
Polygraph

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

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Technical Surveillance Countermeasures Lead

MANTECH
Saint Louis, MO(On-Site/Office)
Updated Today
Intel Agency
Not Specified

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 ...

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RISA20250818-OP026 - CSE III - Endpoint Security Services

Vector Check Business Solutions, LLC
Saint Louis, MO(On-Site/Office)
Updated Today
5+ yrs exp
TS/SCI

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...

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Endpoint Security Engineer

Cherokee Federal
Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
Not Specified

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...

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CI Cyber Threat Analyst support (Level 4) 127-005

IC-CAP
Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
Polygraph

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...

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CI Cyber Threat Technical Analysis (Level 3) 127-008

IC-CAP
Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
Polygraph

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...

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Senior Exploitation Specialist - Analytic Methodologist:

QinetiQ US
Saint Louis, MO(On-Site/Office)
Updated Today
TS/SCI
Not Specified

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...

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