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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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HBSS (ESS) / ACAS Administrator - El Salvador (USN)
Versar Global Solutions•San Salvador
Secret Not Specified
Location: USN Comalapa Air Base, El Salvador, Central AmericaDepartment:IT DepartmentVersar Global Solutions, Inc. (VGS) is actively seeking a skilled and experienced HBSS (ESS) / ACAS Administrator t...
Promoted•Posted 1 month ago
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Cyber Software Engineer
HII Mission Technologies•Annapolis, MD
TS/SCI Polygraph $130,000 - $180,000 / yr
Requisition Number: 30300 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $130,000.00 - $180,000.00 Security Clearance: TS/SCI Level of Experience: Mid...
Posted just now
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Security & Compliance Administrator
SOSi•Remote/Hybrid • United States
Secret Not Specified
Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...
Posted just now
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Information Assurance Analyst
Leidos•Alexandria, VA
TS/SCI Not Specified $87,100 - $157,450 / yr
R-00192321Description Position: Information Assurance AnalystLocation: Alexandria, VAMake an Impact with LeidosAt Leidos, we deliver innovative solutions through the dedication of our diverse and tale...
Posted just now
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Cyber Engineer
Leidos•Dayton, OH
Secret Not Specified $87,100 - $157,450 / yr
R-00192461Description Leidos currently has an opening for a Cyber Engineer to work at our customer site on Wright-Patterson AFB, OH. We are seeking a dedicated, talented, and experienced individual to...
Posted just now
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Vulnerability Analysis Subject Matter Expert (SME)
Leidos•Lorton, VA
TS/SCI Not Specified $131,300 - $237,350 / yr
R-00192322Description The Digital Sector at Leidos currently has an opening for a Vulnerability Analysis Subject Matter Expert (SME)to work in our Lorton, VA office.This is an exciting opportunity to ...
Posted just now
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Information Systems Security Manager
Leidos•San Diego, CA
TS/SCI Not Specified $107,900 - $195,050 / yr
R-00192437Description Leidos' Corporate Information Security Office (CISO), reporting through our Digital sector, is seeking an Information Systems Security Manager in our San Diego, CA Campus Poi...
Posted just now
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Communications Security SME
Scientific Research Corporation•North Charleston, SC
TS/SCI Not Specified
Description Collaborating with internal and external stakeholders to resolve COMSEC related issues, ensuring customer requirements align with compliance standards Supporting the waveforms project off...
Posted just now
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W80-5 Engineering Group Leader - Active Security Clearance Requi
Lawrence Livermore National Laboratory•Livermore, CA
Secret Not Specified $227,430 - $346,140 / yr
Company Description Join us and make YOUR mark on the World!Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthe...
Posted just now
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SITEC - Red Hat IDM / Identity Management Systems Engineer - Mac
Peraton•Macdill Afb, FL
TS/SCI Not Specified $104,000 - $166,000 / yr
About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...
Posted just now
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SITEC - Radiant One Identity Engineer - MacDill AFB
Peraton•Macdill Afb, FL
TS/SCI Not Specified $104,000 - $166,000 / yr
About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...
Posted just now
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Information System Security Officer (ISSO) - El Segundo, CA (Spo
RTX•El Segundo, CA
Public Trust Not Specified $75,800 - $144,200 / yr
Date Posted:2026-09-17Country:United States of America Location:US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Req...
Posted just now
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Cyber Operations SME
Peraton•Mclean, VA
TS/SCI Polygraph $176,000 - $282,000 / yr
About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...
Posted just now
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Senior Manager, Cyber Systems Engineering
Peraton•Macdill Afb, FL
TS/SCI Not Specified $104,000 - $166,000 / yr
About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...
Posted just now
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Cybersecurity Lead
Peraton•Colorado Springs, CO
Secret Not Specified $112,000 - $179,000 / yr
About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...
Posted just now
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Cyber Analyst, Sr.
Referentia Systems Incorporated•Hampton, VA
Secret 10+ yrs exp $114,000 - $129,000 / yr
The Cyber Analyst, Senior, applies expertise and work experience executing cyber risk assessments to perform duties assigned by the Security Control Assessor (SCA) for Department of the Air Force (DAF...
Posted just now
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Lead ISSO - Classified Cyber Security Stf - E4
Lockheed Martin•Orlando, FL
Secret Not Specified $104,900 - $194,700 / yr
Job Number 10655 Standard Job Description Ensure compliance to governing documents and security policies and assist in regulatory periodic assessments. Implements and tests state-of-the-art secure op...
Posted just now
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Accounts Management Technician II
Empower AI•Alexandria, VA
Secret Not Specified
OverviewEmpower AI is AI for government. Empower AI gives federal agency leaders the tools to elevate the potential of their workforce with a direct path for meaningful transformation. Headquartered i...
Posted just now
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Information Systems Security Officer
Echelon Services, LLC•Hanahan, SC
TS/SCI CI Polygraph
Position Title: Information Systems Security Officer (ISSO) Clearance Requirements: TS/SCI with CI Polygraph. Investigation or CV date within 5 years Location: Charleston, SC Duties and Respons...
Posted just now
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