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IT - Security Jobs

IT - Security

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IT - Jobs requiring security clearance

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Cyber Software Engineer Senior Staff - C++

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Meade, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Number 714135BR Description:This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you...

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Information System Security Officer (ISSO) - Marlborough, MA

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

Date Posted:2026-04-07Country:United States of AmericaLocation:US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requiremen...

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Information System Security Officer (ISSO) - Marlborough, MA

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

Date Posted:2026-04-07Country:United States of AmericaLocation:US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requiremen...

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Information Assurance Specialist

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

R-00180234Description 🌟 Information Assurance Specialist – Defend the Pacific Cyber Frontier! 🌟 Location: Joint Base Pearl Harbor–Hickam, Hawaii 🌴✈️ ...

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NMCC Systems Auditor

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

Responsibilities & QualificationsRESPONSIBILITIES Audits components of the business including critical technology functions, infrastructure, cybersecurity, risk management, and applications across mu...

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Cyber Sec Analyst III

New
Scientific Research Corporation
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North Charleston, SC(On-Site/Office)
Posted today
TS/SCI
Not Specified

DescriptionThe SRC Navy Cryptologic Systems (NCS) Directorate supports a number of US Navy Programs, including the Cryptologic Carry-On Program (CCOP), Ships Signals Exploitation Equipment (SSEE) Prog...

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Cyber Systems Engineer

New
Peraton
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Remote/Hybrid
20001(Off-Site/Hybrid)
Posted today
Public Trust
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 Security Engineer

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

Kavaliro is seeking a Cyber Security Engineer to support a client in Virginia. Job Description: Technical Analysis & System Design Analyze user needs and software requirements to determine design f...

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Associate Machine Learning Engineer - Secure AI Lab

New
Software Engineering Institute
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Pittsburgh, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

At the SEI AI Division, we conduct research in applied artificial intelligence and the engineering questions related to the practical design and implementation of AI technologies and systems. We curre...

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Machine Learning Engineer - Secure AI Lab

New
Software Engineering Institute
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Pittsburgh, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

At the SEI AI Division, we conduct research in applied artificial intelligence and the engineering questions related to the practical design and implementation of AI technologies and systems. We curre...

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Sr. Identity & Access Management (IAM) Engineer I (6527)

New
MetroStar Systems Inc.
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Remote/Hybrid
20001(Off-Site/Hybrid)
Washington, DC(On-Site/Office)
Posted today
Top Secret
Not Specified

As a Sr. Identity & Access Management (IAM) Engineer I, you'll deliver enterprise ICAM solutions supporting a highly visible, security-sensitive mission. This role requires a technically strong engine...

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Information System Security Officer

New
Kratos Defense and Security Solutions
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Colorado Springs, CO(On-Site/Office)
Posted today
Top Secret
Not Specified

Job Description Readiness Delivered. Kratos is a leader in assured aerospace communication solutions and services. We are cutting-edge innovators and creative problem solvers working collaboratively t...

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Application Security Engineer

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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Application Security Engineer

New
SciTec, Inc.
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Princeton, NJ(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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Information Systems Security Manager II (ISSM II)

New
System High Corporation
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Bedford, MA(On-Site/Office)
Posted today
TS/SCI
Polygraph

Description *This position requires a TS/SCI Clearance and Special Access Program Experience* At System High Corporation-a Top Washington-Area Workplace (The Washington Post, 2023-2025), a Top Wor...

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Lead DevSecOps Engineer

New
Innovative Defense Technologies
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Fall River, MA(On-Site/Office)
Posted today
Secret
Not Specified

DescriptionBackground Information: Innovative Defense Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems i...

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ISSM II - Information Systems Security Manager

New
Watermark Risk Management International, LLC
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Bedford, MA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

Come make your mark with Watermark! 🎖 FOUNDED BY USAF VETERANS in 2007, we are proud to be a Service-Disabled Veteran Owned Small Business. 🌎 SUBJECT MATTER EXPERTS specializing in sec...

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Information Systems Security Officer (ISSO)

New
GovCIO
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Washington, WA(On-Site/Office)
Posted today
TS/SCI
Not Specified

OverviewGovCIO is currently hiring for a/an Information Systems Security Officer (ISSO) with an active TS/SCI clearance. This position will be 4 days onsite in Washington, DC with 1 day remote. Resp...

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Computer Security System Specialist

New
GovCIO
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Bethesda, MD(On-Site/Office)
Posted today
Public Trust
Not Specified

OverviewGovCIO is currently hiring for a Computer Security System Specialist for our NIH-CIT proposal. This position will be located in Bethesda, MD and is a remote/hybrid position Responsibilities ...

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Cybersecurity Engineer

New
GovCIO
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Fort Meade, MD(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

OverviewGovCIO is currently hiring for a Cybersecurity Engineer to embed security-by-design into system architecture. This position will be located in Fort Meade, MD and will be an onsite positi...

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