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IT - Security Jobs

IT - Security

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IT - Jobs requiring security clearance

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Cyber Systems Engineer

New
System One Holdings, LLC
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Baltimore, MD(On-Site/Office)
Posted today
5+ yrs exp
Unspecified

Job Title: Cyber Systems Engineer Location: Baltimore, MD – On-site Clearance: Must be able to obtain Public Trust Clearance Contact: Crystal.dinnocenti@systemone.com DESCRIPTION OF WORK: System O...

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Cyber Threat Intelligence Analyst

New
Maximus Inc
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San Antonio, TX(On-Site/Office)
Posted today
TS/SCI
Not Specified

Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...

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Cyber Vulnerability Research Engineer

New
Maximus Inc
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San Antonio, TX(On-Site/Office)
Posted today
TS/SCI
Not Specified

Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...

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Senior Cybersecurity Research Scientist

New
Maximus Inc
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San Antonio, TX(On-Site/Office)
Posted today
TS/SCI
Not Specified

Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...

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Chief Cybersecurity Architect

New
Maximus Inc
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San Antonio, TX(On-Site/Office)
Posted today
TS/SCI
Not Specified

Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...

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IT&E Cyber Systems Security Engineering Asc. Mgr

New
Lockheed Martin
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Grand Prairie, TX(On-Site/Office)
Posted today
Secret
Not Specified

Job Number 723961BR Description:You will be the IT&E Cyber Systems Security Engineering Asc. Manager for the Program Protection Organization. Our team is responsible for overseeing all aspects of Cyb...

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Senior Information System Security Officer (ISSO) - Woburn, MA

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

Date Posted:2026-04-09Country:United States of AmericaLocation:US-MA-WOBURN-WB2 ~ 225 Presidential Way ~ GODDARD BLDGPosition Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...

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Cyber Software Engineer Senior Staff

New
Lockheed Martin
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Hanover, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Number 717895BR Description:WHAT WE'RE DOINGLockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced ele...

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Information System Security Officer (ISSO) - Tucson, AZ

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

Date Posted:2026-04-08Country: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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Systems Security Engineer III

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

Are you looking for an opportunity to deepen your IT skills in a meaningful work environment that supports and protects explorers and heroes? Join our team! As a Systems Security Engineer III, you wil...

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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:2026-04-08Country: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 System Security Officer (ISSO) - Tucson, AZ

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

Date Posted:2026-04-08Country:United States of AmericaLocation:US-AZ-TUCSON-802 ~ 1151 E Hermans Rd ~ BLDG 802Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: A...

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Security Analyst

New
Telos Corporation
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Andrews Afb, MD(On-Site/Office)
Posted today
Secret
Not Specified

The 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 of our people....

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Principal Cyber Engineer

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

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're com...

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Principal Cyber Engineer

New
MITRE Corporation
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Wright-patterson Afb-fairborn, OH(On-Site/Office)
Posted today
Secret
Not Specified

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're com...

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Information Assurance Analyst

New
HX5, LLC
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Vandenberg, CA(On-Site/Office)
Posted today
Secret
Not Specified

Information Assurance Analyst Vandenberg Space For ce Base Lompoc, CA HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and ...

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Program Protection Security Specialist/Management Analyst

New
JHNA
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Patuxent River, MD(On-Site/Office)
Posted today
Secret
Not Specified

Program Protection Security Specialist/Management Analyst Technology Security Associates is currently seeking a Program Protection Security Specialist/Management Analyst - Journeyman level, to suppor...

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IT SPECIALIST (CUSTSPT/INFOSEC)

New
Department of the Navy
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FL(On-Site/Office)
Posted today
Secret
Not Specified

Duties You will Develop IT policies in accordance with higher level directives. You will integrate users software, hardware, and systems memory requirements enabling users to use applications. You wil...

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Cyber Systems Engineer

New
Cornerstone Defense
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Linthicum, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Title: Cyber Systems Engineer Location: Linthicum, MD Compensation Range: $165 -$185K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of...

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Staff Security Architect (ISSE) - Missile Defense Software

New
True Anomaly. Inc.
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Denver, CO(On-Site/Office)
Posted today
TS/SCI
Polygraph

A new space race has begun. True Anomaly seeks those with the talent and ambition to build innovative technology that solves the next generation of engineering, manufacturing, and operational challeng...

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