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IT - Security

IT - Security Jobs

Showing 4,051 Jobs

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Cyber Security Software Engineer; Development of Underwater Vehi

New
Lockheed Martin
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Posted today
TS/SCI
Not Specified

Job Number 732073BR Description:WHAT WE'RE DOINGAt Lockheed Martin Rotary and Mission Systems, we're on a mission to drive innovation and uphold the highest standards of business ethics. We believe t...

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Cyber Software Engineer - Early Career

New
Lockheed Martin
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Posted today
TS/SCI
Polygraph

Job Number 732125BR Description:By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our...

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Cyber Software Engineer II

New
Lockheed Martin
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Posted today
Secret
Not Specified

Job Number 731472BR Description:The Cyber Software Engineer (level 2) is a mid-level role that requires owing security outcomes across the product lifecycle. In this position you will lead the defini...

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Cybersecurity Specialist 3

New
Zachary Piper Solutions, LLC
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Posted today
TS/SCI
Polygraph

Zachary Piper Solutions is seeking a Cybersecurity Specialist 3 to support a company focused on advanced Security and Electronic Systems, delivering integrated security, IT, and operational technology...

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Principal Systems Security Engineer / Senior ISSM

New
Sierra Nevada Corporation
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Lone Tree, CO(On-Site/Office)
Posted today
Top Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

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Cybersecurity Analyst

New
Leidos
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Huntsville, AL(On-Site/Office)
Posted today
Secret
Not Specified

R-00185340Description Looking for an opportunity to make an impact?At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers&...

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Cyber Threat Intelligence Hunter

New
Leidos
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Hickam Afb, HI(On-Site/Office)
Posted today
TS/SCI
Not Specified

R-00185136Description Cyber Threat Hunter – Lead Advanced Threat Detection & Proactive Defense Leidos is seeking a Cyber Threat Hunter to join a mission‑critical cybersecurity team d...

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Information Assurance Engineer

New
Leidos
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Chantilly, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00185278Description Leidos is seeking an Information Assurance Engineer to support an IC customer Program focused on the Integration, Operations, and Sustainment of various systems both legacy and i...

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Information Assurance Engineer

New
Leidos
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Gaithersburg, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00185278Description Leidos is seeking an Information Assurance Engineer to support an IC customer Program focused on the Integration, Operations, and Sustainment of various systems both legacy and i...

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Information Assurance Engineer

New
Leidos
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Alexandria, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00185278Description Leidos is seeking an Information Assurance Engineer to support an IC customer Program focused on the Integration, Operations, and Sustainment of various systems both legacy and i...

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Information Assurance Engineer

New
Leidos
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Saint Louis, MO(On-Site/Office)
Posted today
TS/SCI
Polygraph

R-00185278Description Leidos is seeking an Information Assurance Engineer to support an IC customer Program focused on the Integration, Operations, and Sustainment of various systems both legacy and i...

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Remote Sr. Security Analyst (VA ESOM)

New
Kentro
Remote/Hybrid
United States(Off-Site/Hybrid)
Posted today
Public Trust
Not Specified

Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers...

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Cybersecurity Engineer

New
Astrion
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Colorado Springs / Peterson Space Force Base, CO(On-Site/Office)
Posted today
TS/SCI
Not Specified

Overview Cybersecurity Engineer LOCATION: Colorado Springs, CO JOB STATUS: Full-time SALARY: $120,000 - $170,000 CLEARANCE: TS/SCI TRAVEL: Up to 10% Astrion is seeking a Cybersecurity Engineer t...

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National Security Compliance Analyst

New
SPA
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Alexandria, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

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HBSS/ESS Engineer

New
MANTECH
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Virginia Beach, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

MANTECH seeks a motivated, career and customer-oriented Host Based Security Systems, Endpoint Security Solutions (HBSS/ESS Engineer) to join our team in Virginia Beach, VA. This position is onsite. Re...

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Senior Cyber Systems Engineer

New
PeopleTec
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Huntsville, AL(On-Site/Office)
Posted today
TS/SCI
None

OpportunityPeopleTec is currently seeking a Senior Cyber Systems Engineer to support our Huntsville, AL location. As a Senior Cyber Systems Engineer you will integrate Government Off-the-Shelf (GOTS) ...

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INFORMATION TECHNOLOGY SPECIALIST (SYSADMIN/INFOSEC)

New
Department of the Air Force
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Eielson Afb, AK(On-Site/Office)
Posted today
Top Secret
Polygraph

Duties Administrator for Wing Advanced Program Office local area network (LAN) and wide area network (WAN). Organizes and executes Information Assurance activities of the Wing Advanced Program Offic...

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Exploitation Analyst (EA) Level 1-4

New
Sentar Inc
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Annapolis Junction, MD(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
Polygraph

Sentar is seeking Exploitation Analyst's in Ft. Meade. Role Description: Apply your deep understanding of adversary networks, network defenses, and cyber network operational capabilities to develop e...

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SUPERVISORY INFORMATION TECHNOLOGY SPECIALIST (INFOSEC)

New
Department of the Air Force
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Linthicum Heights, MD(On-Site/Office)
Posted today
Top Secret
Not Specified

Duties As the Director, plan, organize, and oversees the activities of the DC3 Vulnerability Disclosure Program (VDP). Exercises supervisory personnel management responsibilities. Represents the VDP w...

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Cyber Technical Analyst Advisor (TS/SCI with Poly Required)

New
GCI
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Chantilly, VA(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

Job Category: Cyber SecurityRequisition Number: CYBER001103Posting DetailsPosted: January 13, 2026Full-TimeJob DetailsDescriptionGCI embodies excellence, integrity and professionalism. The employees s...

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