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IT - Security

IT - Security Jobs

Showing 4,344 Jobs

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Senior Linux Administrator
Amentum•Hanover, MD
TS/SCI Polygraph $180,000 - $265,000 / yr
Purpose and Impact:Our contract supports more than 12 efforts with varying levels of hardware and software development requirements. Our projects are focused on front end equipment configuration/main...
Promoted•Posted 2 days ago
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CROCS Senior Strategic Deputy
Versar Global Solutions•Washington, VA
TS/SCI Not Specified $90,000 - $100,000 / yr
Who We Are:Headquartered in Washington, DC, Versar Global Solutions provides full mission lifecycle solutions for challenges faced by our government and commercial Customers in the natural, built, and...
Promoted•Posted 2 weeks ago
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Information System Security Manager
Quantech Services
TS/SCI Full Scope Polygraph 10+ yrs exp
Quantech Services is seeking an experienced Information System Security Manager to join our team in Fort Meade, MD. The ideal candidate is a seasoned information security professional with proven expe...
Posted just now
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Cryptologic Cyber Planner Level 3
Weeghman & Briggs•Annapolis Junction, MD
TS/SCI Full Scope Polygraph 5+ yrs exp $154,000 - $170,000 / yr
Cryptologic Cyber Planner Level 3 Location: Annapolis Junction, MD | Onsite Clearance Required: TS/SCI with Polygraph Employment Type: Full-Time Salary Range: $154,000-$170,000 Join a Growing Team at ...
Posted just now
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Information Systems Security Manager - TS/SCI with Poly Required
GCI•Chantilly, VA
TS/SCI Polygraph 5+ yrs exp $124,092 - $207,251 / yr
Job Category: Information SecurityRequisition Number: INFOR001917Posting Details Posted: January 19, 2026 Closed: February 9, 2026 Full-Time ...
Posted just now
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Cyber Security Engineer - C
Telos Corporation•Ashburn, VA
Secret Not Specified 5+ yrs exp $100,000 - $120,000 / yr
Job DescriptionThe most security-conscious organizations trust Telos Corporation to protect their vital IT assets. The reputation of our company rests on the quality of our solutions and the integrity...
Posted just now
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Cyber Security Program Manager
Millennium Corporation•Washington, DC
TS/SCI Not Specified 10+ yrs exp $175,000 - $185,000 / yr
Millennium is proud to be part of the Markon enterprise, a network of specialized organizations united in support of critical national security missions. This partnership strengthens our ability to de...
Posted just now
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Senior Information System Security Engineer
Open Systems Technologies Corporation•Huntsville, AL
TS/SCI Not Specified 10+ yrs exp
Senior Information System Security EngineerOpen Systems Technologies Corporation -Huntsville, AL, United StatesTagged:ISSE,Cyber Security Open Systems Technologies Corporation is seeking a Senior Info...
Posted just now
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Information System Security Officer (ISSO)
Open Systems Technologies Corporation•Annapolis Junction, MD
TS/SCI Full Scope Polygraph 10+ yrs exp
Information System Security Officer (ISSO)Open Systems Technologies Corporation -Annapolis Junction, MD, United StatesTagged: ISSO,Engineering,TS/SCI with Poly (MPO)Open Systems Technologies Corp...
Posted just now
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Senior Cyber Security / Information System Security Officer (ISS
CGI•Huntsville, AL
TS/SCI Not Specified
U.S. - CGI Federal roles - Keeping Americans safe By playing this video you consent to Google/YouTube processing your data and using cookies - Learn more .Position Description: CGI Federal is seeking ...
Posted just now
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SOC Cyber Engineer-Virginia Beach, VA
iSenpai•Virginia Beach, VA
TS/SCI Not Specified 5+ yrs exp $120,000 - $160,000 / yr
Position: SOC Cyber Engineer-Virginia Beach, VA Location: Virginia Beach, VA Job Id: 5...
Posted just now
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Information Systems Security Engineer-(TS/SC w/Poly)-Chantilly,
iSenpai•Chantilly, VA
TS/SCI Polygraph 5+ yrs exp $130,000 - $155,000 / yr
Position: Information Systems Security Engineer-(TS/SC w/Poly)-Chantilly, VA Location: Chantilly, VA Job Id: ...
Posted just now
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IT Specialist (SYSADMIN/INFOSEC)
Department of Defense•Not provided
Secret Not Specified
Duties Maintain system availability and reliability to support patient care delivery and essential clinical workflows. Collaborate with IT teams, biomedical engineering, cybersecurity personnel, and...
Posted just now
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Supervisory IT Specialist (Information Security)
Department of Defense•Fort Leonard Wood, MO
Secret Not Specified
Duties Manage facility-wide programs, policies and procedures to protect the integrity and confidentiality of Information Technology (IT) automated systems, networks and data. Troubleshoot informati...
Posted just now
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Cyber Policy Analyst
Everforth•Washington, DC
TS/SCI 10+ yrs exp
Job #: 3044402 Apex Systems is currently hiring a Cyber Policy Analyst with a large federal client. As a Cyber Policy Analyst, you will transform technology into opportunity by connecting and enhanci...
Posted just now
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Senior Systems Engineer / Information Systems Security Officer (
CACI•Fort Meade, MD
TS/SCI Polygraph $131,800 - $290,000 / yr
Job Title: Senior Systems Engineer / Information Systems Security Officer (ISSO)Job Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: Re...
Posted just now
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Information Systems Security Engineer (ISSE)
CACI•Sterling, VA
TS/SCI Polygraph $120,800 - $265,800 / yr
Job Title: Information Systems Security Engineer (ISSE)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentag...
Posted just now
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Cyber Security Technical Writer
CACI•Ashburn, VA
Secret None $84,900 - $178,400 / yr
Job Title: Cyber Security Technical WriterJob Category: Engineering and Technical SupportTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Requi...
Posted just now
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Information System Security Officer (ISSO)
CACI•Albuquerque, NM
Secret Not Specified $85,800 - $180,200 / yr
Job Title: Information System Security Officer (ISSO)Job Category: SecurityTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 25%...
Posted just now
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Cybersecurity Implementation Engineer
CACI•Springfield, VA
TS/SCI Polygraph $94,400 - $198,200 / yr
Job Title: Cybersecurity Implementation EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Ty...
Posted just now
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