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Polygraph
Remote/Hybrid

Security Clearance Jobs in Mc Lean, VA

Mc Lean, VA

Viewing 1 - 20 of 342

Jobs in Mc Lean, VA requiring security clearance

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Software Developer/ Engineer

New
Athenix Solutions Group
Apply today! Be one of the first candidates to apply for maximum exposure.
Mclean, VA(On-Site/Office)
Posted yesterday
5+ yrs exp
TS/SCI
Polygraph

Athenix Solutions Group is looking for Software Engineers in a variety of roles to develop, maintain, and enhance complex and diverse software systems assisting in the defense of our nation. We have r...

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System Engineer

New
Athenix Solutions Group
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Mclean, VA(On-Site/Office)
Posted yesterday
5+ yrs exp
TS/SCI
Polygraph

Athenix Solutions Group is looking for a Systems Engineer in Northern Virginia for a variety of roles to apply system engineering fundamentals to the development, testing, deployment, maintenance, ope...

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Electrician (Night)

New
Amentum
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Mclean, VA(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

Amentum is seeking an Electrician (Night Shift) to join our team in McLean, VA! As an Electrician, you will inspect, repair, replace, install, adjust, maintain, and make necessary tests on all electri...

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Engineering Resources Supervisor

New
Amentum
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Mclean, VA(On-Site/Office)
Posted yesterday
TS/SCI
Polygraph

Amentum is looking for an Engineering Resources Supervisor to join our team in McLean, VA! In this role, you will provide engineering expertise in support of a wide range of transportation and logisti...

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Senior Electrical Engineer

New
Amentum
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Mclean, VA(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

Amentum is seeking a Sr. Electrical Engineer with 12+ years of experience. This person provides engineering expertise in support of a wide range of Building Operations and Maintenance related efforts ...

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Reliability Engineer

New
Amentum
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Mclean, VA(On-Site/Office)
Posted yesterday
TS/SCI
Polygraph

Purpose/ScopeAmentum is looking for a Reliability Engineer to perform a variety of engineering assignments in planning and overseeing research, development, design, manufacture, test, installation, op...

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Data Scientist - Mentorship and Training (AI/ML)

New
The Swift Group
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Herndon, VA(On-Site/Office)
Mclean, VA(On-Site/Office)
Posted yesterday
TS/SCI
Polygraph

Swift is a privately held, mission-driven and employee-focused services and solutions company headquartered in Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science...

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Security Officer - DOD Secret Clearance Required

New
Allied Universal
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Mc Lean, VA(On-Site/Office)
Posted yesterday
Secret
Not Specified

Overview Allied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and...

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Solutions Architect, Senior Principal

New
American Systems Corporation
Remote/Hybrid
22102(Off-Site/Hybrid)
Posted 2 days ago
Top Secret
Not Specified

Our Solution Architect team supports technical solutions and capabilities, and serves as a tiger team and catalyst for our company growth. We work across the company to advance program innovation, bui...

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Contract Support Specialist - Entry, Mid, and Expert

New
The Swift Group
Apply today! Be one of the first candidates to apply for maximum exposure.
Herndon, VA(On-Site/Office)
Mclean, VA(On-Site/Office)
Posted 2 days ago
TS/SCI
Polygraph

Swift is a privately held, mission-driven and employee-focused services and solutions company headquartered in Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science...

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Senior Appian Developer

New
Artech Information Systems
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Maclean, VA(Off-Site/Hybrid)
Posted 2 days ago
10+ yrs exp
Unspecified

Role Title: Senior Appian Developer Location: Reston, VA (Hybrid) Employment Type: Contract to Hire Role Overview The Appian Senior Developer is responsible for designing, developing, and delivering ...

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Operations Manager

New
Amentum
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Mclean, VA(On-Site/Office)
Posted 3 days ago
TS/SCI
Not Specified

Amentum is seeking a highly motivated and detail-oriented Operations Manager to join our team in McLean, VA. This role is ideal for a proactive professional who thrives at the intersection of operatio...

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Mechanical Engineer, Senior

New
American Systems Corporation
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Mclean, VA(On-Site/Office)
Posted 3 days ago
Secret
Not Specified

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Pro...

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Project Manager/ Superintendent

New
Amentum
Mclean, VA(On-Site/Office)
Posted 3 days ago
Top Secret
Not Specified

Amentum is looking for a Project Manager/ Superintendent to join our team in McLean, Virginia!Purpose and Impact: Under limited supervision, applying comprehensive project knowledge and subject matter...

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2004581 Customer Delivery Consulting Engineer - Department of Na

New
Cisco Systems, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
San Diego, CA(On-Site/Office)
Arlington, VA(On-Site/Office)
Fulton, MD(On-Site/Office)
Herndon, VA(On-Site/Office)
Mclean, VA(On-Site/Office)
Posted 5 days ago
Secret
Not Specified

The application window is expected to close on: 05/29/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received . The successful applic...

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HVAC Mechanic Specialist

New
Amentum
Apply today! Be one of the first candidates to apply for maximum exposure.
Mclean, VA(On-Site/Office)
Posted 6 days ago
Top Secret
Not Specified

Amentum is looking for an HVAC Mechanic Specialist to join our team in McLean, VA! As an HVAC Mechanic Specialist, you will maintain, repair, and install the building's heating, ventilation, air condi...

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Fire Alarm Technician

New
Zachary Piper Solutions, LLC
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Mclean, VA(On-Site/Office)
Posted 6 days ago
Secret
Not Specified

Zachary Piper Solutions is looking for a highly skilled Fire Alarm Technician to support a leading engineering, and systems integration organization. The Fire Alarm Technician will be responsible for ...

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GPS - Technical Architect - Supervising Associate

New
Ernst & Young
Apply today! Be one of the first candidates to apply for maximum exposure.
Mclean, VA(On-Site/Office)
Posted 6 days ago
Top Secret
Not Specified

At EY, we're all in to shape your future with confidence.We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help t...

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Systems Engineer

New
Navon Technologies LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Maclean, VA(On-Site/Office)
Posted 6 days ago
10+ yrs exp
TS/SCI
Full Scope Polygraph

Customer Labor Category Systems Engineer Customer Skill Level(s) Subject Matter Expert Position Description ***3 Point SCRUB REQUIRED SKILLS/DEMONSTRATED EXPERIENCE - Engineering degree, preferably El...

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Government and Public Sector - Cybersecurity Penetration Tester

New
Ernst & Young
Mclean, VA(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

At EY, we're all in to shape your future with confidence.We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help t...

user avatar
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