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Security Clearance Jobs in Fairfax, VA

Fairfax, VA

Viewing 1 - 20 of 1,425

Jobs in Fairfax, VA requiring security clearance

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Information Assurance and Security, Senior Advisor

New
Peraton
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Mclean, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

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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Principal Technical Recruiter - Cleared Critical Facilities & In

New
M.C. Dean
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Tysons, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

OverviewAbout M.C. DeanM.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, comp...

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Tech Specialist 1

New
M.C. Dean
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Tysons, VA(On-Site/Office)
Posted today
Secret
Not Specified

Overview About M.C. Dean M.C. Dean is Building Intelligence® . We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environmen...

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Interior Designer

New
Intrepid
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Mclean, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

IAP World Services, an Intrepid Global Solutions company, is a recognized leader in Facilities Management and Operations in support of Defense, Intelligence, and National Security missions.Under a maj...

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Strategic Space Planner

New
Intrepid
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Mclean, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

IAP World Services, an Intrepid Global Solutions company, is a recognized leader in Facilities Management and Operations in support of Defense, Intelligence, and National Security missions.Under a maj...

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Software Developer

New
Marathon TS Inc
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Mclean, VA(On-Site/Office)
Posted today
Secret
Not Specified

Software Developer Fully Remote The Software Developer / OpenText AppWorks Engineer is responsible for designing, developing, enhancing, and supporting software components in alignment with evolving...

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Systems Administrator

New
Marathon TS Inc
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Mclean, VA(On-Site/Office)
Posted today
Secret
Not Specified

Systems Administrator Fully Remote The Systems Administrator / Cloud & Application Support Engineer provides expert-level application administration, system security, and cloud operations support fo...

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Social Network Analysis (SNA) Instructor

New
LMI
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Mclean, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

OverviewLMI is seeking a knowledgeable and dynamic Social Network Analysis (SNA) Instructor to join our team on a part-time/hourly basis to lead engaging and comprehensive training sessions on fundame...

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Senior Windows Systems Administrator

New
GovCIO
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Fairfax, VA(On-Site/Office)
Posted today
Secret
Not Specified

Overview GovCIO is currently hiring for a Senior Windows Systems Administrator with an active Secret clearance to provide direct customer support and serve as an internal escalation point for Governm...

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Application Developer

New
GovCIO
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Fairfax, VA(On-Site/Office)
Posted today
Secret
Not Specified

Overview GovCIO is currently hiring for an Application Developer with an active Secret Clearance to design, build, and modify application software. This position will be located in Merrifield, VA and...

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Physical Security Shift Leader

New
MITRE Corporation
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Mclean, VA(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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Software Engineer, Full Stack - Cleared

New
Ridgeline International, LLC
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Tysons, VA(On-Site/Office)
Posted today
Secret
Not Specified

Company Description At Ridgeline, we are pioneers in the fight against Ubiquitous Technical Surveillance, helping government and enterprise organizations protect what matters most in a rapidly evolvin...

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Sr. Principal Cyber Systems / Network Engineer

New
Northrop Grumman
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Fairfax, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have in...

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Senior Principal Project Leader for the Test and Evaluation (T&E

New
MITRE Corporation
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Mclean, VA(On-Site/Office)
Posted today
Top Secret
Polygraph

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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Human Resources Intern - Summer 2026

New
LMI
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Tysons, VA(On-Site/Office)
Posted today
Secret
Not Specified

OverviewLMI is seeking a dynamic and motivated Human Resources Intern to support our headquarters in Tysons, VA. This internship offers hands on experience across key HR, Talent Management, Talent Acq...

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Strategic Partnerships Lead

New
LMI
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Tysons, VA(On-Site/Office)
Posted today
Secret
Not Specified

OverviewThe Strategic Partnerships Lead will drive the process of identifying, shaping, and scaling high-impact partnerships with industry technology providers and academic institutions that directly...

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Senior Principal Project Leader, Test and Evaluation Acceleratio

New
MITRE Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Mclean, VA(On-Site/Office)
Posted today
Top Secret
Polygraph

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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Software Engineer - (Hybrid-Remote in NOVA area) - McLean, VA; p

New
Synertex LLC
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Mclean, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

Synertex LLC is seeking a Software Engineer to support a U.S. Federal Government Agency in McLean, VA / Pentagon. We are expanding work on a current contract and need a Software Engineer with experi...

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Data Scientist

New
Booz Allen Hamilton
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Mclean, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Number: R0229817Data ScientistThe Opportunity: As a data scientist, you're excited at the prospect of unlocking the secrets held by a data set, and you're fascinated by the possibilities presented...

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Information System Security Officer

New
Booz Allen Hamilton
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Mclean, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Number: R0230045Information System Security OfficerThe Opportunity: We're looking for an Information System Security Officer ( ISSO ) responsible for assessing and requesting client authorization ...

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