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IT - Security Jobs

IT - Security

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IT - Jobs requiring security clearance

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Security Architect/ISSO Liaison

New
Peraton
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Ashburn, VA(On-Site/Office)
Posted today
DHS
Not Specified

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...

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Senior Information Systems Security Engineer with a $15K sign on

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

R-00177486Description Leidos has an opportunity for a senior-level Information Systems Security Engineer to serve as the primary security engineering authority across complex, multi-enclave environmen...

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CloudOne Cybersecurity Engineering - DPaaS

New
Leidos
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Remote/Hybrid
20170(Off-Site/Hybrid)
Posted today
Secret
Not Specified

R-00177477Description Leidos   was awarded   the U.S. Air Force Cloud One Architecture and Common Shared Services contract   and currently has an opening for the   Cloud   Cyb...

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Information Systems Security Officer (ISSO) - Tucson, AZ

New
RTX
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Tucson, AZ(On-Site/Office)
Posted today
Secret
Not Specified

Date Posted:2026-03-04Country:United States of AmericaLocation:US-AZ-TUCSON-M05 ~ 1151 E Hermans Rd ~ BLDG M05 (External Site)Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status...

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Information System Security Officer (ISSO) - Andover, MA

New
RTX
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Andover, MA(On-Site/Office)
Posted today
Secret
Not Specified

Date Posted:2026-03-04Country:United States of AmericaLocation:US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDGPosition Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

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Information Systems Security Officer

New
Peraton
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Linthicum, MD(On-Site/Office)
Posted today
Top Secret
Not Specified

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...

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Cybersecurity Architect

New
Peraton
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Linthicum, MD(On-Site/Office)
Posted today
Top Secret
Not Specified

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...

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Cyber Operations Specialist

New
Peraton
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Linthicum, MD(On-Site/Office)
Posted today
Top Secret
Not Specified

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...

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Chief Engineer Advisor

New
Modern Technology Solutions, Inc.
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Lorton, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

MTSI is seeking a Chief Engineer Advisor who will serve as a key advisor and subject matter expert, providing strategic recommendations and technical guidance to program staff, senior leadership, and ...

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Quality Engineer/Weapon Production Quality - Active Security Cle

New
Lawrence Livermore National Laboratory
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Livermore, CA(On-Site/Office)
Posted today
DoE Q or L
Not Specified

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...

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Cyber Operations Analyst & Targeter

New
Johns Hopkins University Applied Physics Laboratory
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Laurel, MD(On-Site/Office)
Posted today
Top Secret
Not Specified

DescriptionAre you searching for meaningful work designing and integrating systems to support operations?Do you have experience with solving operational challenges at scale and applying systems engine...

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Security Subject Matter Expert (SME) (Industrial Security Analys

New
HII Mission Technologies
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Huntsville, AL(On-Site/Office)
Posted today
Top Secret
Not Specified

Requisition Number: 27446 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $113,276.00 - $161,000.00 Security Clearance: Top Secret Level of Experience:...

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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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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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Cybersecurity Engineer

New
Leidos
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Bedford, MA(On-Site/Office)
Posted today
Secret
Not Specified

R-00177501Description Leidos was awarded the U.S. Air Force Cloud One Architecture and Common Shared Services contract, and is currently seeking a Cybersecurity Engineer across AWS, Azure, Google, and...

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Cybersecurity Manager

New
Leidos
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Boblingen(On-Site/Office)
Posted today
Secret
Not Specified

R-00177495Description The Leidos AIE team has an opening for a Cybersecurity Manager with a SECRET security clearance for our Cybersecurity Team. This opening supports our program that is being deploy...

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Cybersecurity Watch Analyst

New
Keaki Technologies
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Arlington, VA(On-Site/Office)
Posted today
Secret
Not Specified

The Alaka`ina Foundation Family of Companies (FOCs) has a need for a Cybersecurity Watch Analyst to support our government customer located in Arlington, VA. DESCRIPTION OF RESPONSIBILITIES : Respo...

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Cybersecurity Asset Engineer (Clearance Required)

New
SciTec, Inc.
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Boulder, CO(On-Site/Office)
Posted today
Secret
Not Specified

Description SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense...

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Cyber Analyst - ISSO

New
PeopleTec
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Elizabeth City, NC(On-Site/Office)
Posted today
DHS
None

OpportunityPeopleTec is currently seeking an Information Systems Security Officer (ISSO) to support our Coast Guard Air Station in Elizabeth City, NC. As a USCG Information Systems Security Officer (I...

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Cyber Threat Intelligence (CTI) Lead

New
Tyto Athene, LLC
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Washington, DC(On-Site/Office)
Posted today
TS/SCI
Not Specified

Tyto Athene is searching for a Cyber Threat Intelligence (CTI) Lead to support a law enforcement customer in Ashburn, VA You will drive advanced cyber threat analysis, intelligence collection, and pro...

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