clearance jobs

Mechanical Engineer - Active Clearance Required

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $110.70k - $170.56k / year • 1w ago

1w ago

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System Engineer, Uranium Processing Facility

Y-12 National Security Complex • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Piping Engineer, Level IV

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Specialty Mechanical Engineer, Level IV

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Specialty Mechanical Engineer, Level III

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Office Administrator for Nuclear Counterterrorism and Counterproliferation and Nuclear Emergency Support Team

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $104.91k - $130.24k / year • 1w ago

1w ago

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Design Authority Representative, Uranium Processing Facility

Y-12 National Security Complex • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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IT Support Specialist I

Nevada National Security Sites • Full-time • North Las Vegas, NV, US • 4d ago

4d ago

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HVAC Engineer, Level III

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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HVAC Engineer, Level V

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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HVAC Engineer, Level IV

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Lead Model Based Systems Engineer (R&D Engineer 3/4)

Los Alamos National Laboratory • Full-time • Los Alamos, NM, US • 1w ago

1w ago

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Mechanical Designer

Y-12 National Security Complex • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Software Developer

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $110.70k - $142.13k / year • 1w ago

1w ago

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IT Support Specialist II - VoIP and Analog Telephony Specialist

Nevada National Security Sites • Full-time • North Las Vegas, NV, US • 1w ago

1w ago

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Fire Protection Engineer

Y-12 National Security Complex • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Electrical Engineer, Level IV

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Research Specialist (RS1/RS2), Natural Language Processing

Brookhaven National Laboratory • Upton, NY, United States • 3m ago

3m ago

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Post-Doctoral Research Associate - Natural Language Processing

Brookhaven National Laboratory • Upton, NY, United States • 3m ago

3m ago

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Computational Engineering Division Undergraduate Student Intern - Summer 2025

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $22 - $30 / hour • 4d ago

4d ago

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Master Technologist - Material Take-Off Coordinator

Nevada National Security Sites • Full-time • Mercury, NV, US • $91.67k - $137.51k / year • 2w ago

2w ago

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Electrical Engineer, Level III

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Radiological Control Technician III

Akima • Full-time • Oak Ridge, TN, US • 1w ago

1w ago

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Applications Analyst II

Nevada National Security Sites • Full-time • Mercury, NV, US • $35 - $52 / hour • 2w ago

2w ago

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Senior Business Assistant

Nevada National Security Sites • Full-time • Andrews AFB, MD, US • $28 - $43 / hour • 3w ago

3w ago

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SmartPlant Lead Analyst

Y-12 National Security Complex • Full-time • Knoxville Metropolitan Area, US • 1w ago

1w ago

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Senior Systems Administrator (Senior Infrastructure Analyst)

Nevada National Security Sites • Full-time • North Las Vegas, NV, US • $92.89k - $139.34k / year • 3w ago

3w ago

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Computational Protein Design - Postdoctoral Researcher

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • 1m ago

1m ago

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Electrician-Jrn

Central Plateau Cleanup Company • Full-time • Richland, WA, US • 2d ago

2d ago

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Electro-Optical Technician II

Nevada National Security Sites • Full-time • Mercury, NV, US • $24 - $37 / hour • 2w ago

2w ago

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Linux Systems Administrator (Infrastructure Analyst II)

Nevada National Security Sites • Full-time • North Las Vegas, NV, US • 3w ago

3w ago

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Safeguards & Security Spec II

Nevada National Security Sites • Full-time • Mercury, NV, US • $62.36k - $93.54k / year • 2w ago

2w ago

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Structural Engineer

Y-12 National Security Complex • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Structural / Civil Engineer, Level II

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Weld Engineer V

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Weld Engineer III

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Structural / Civil Engineer, Level III

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Structural Engineer, Level IV

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Structural / Civil Engineer, Level IV

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Radiological Control Technician IV

Akima • Full-time • Oak Ridge, TN, US • 2w ago

2w ago

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Manager I - Pulsed Power Testbed Operations

Nevada National Security Sites • Full-time • Mercury, NV, US • $121.33k - $194.13k / year • 2w ago

2w ago

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Senior Principal Project Engineer

Nevada National Security Sites • Full-time • North Las Vegas, NV, US • 4w ago

4w ago

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Principal Security Architect (Prin Applications Analyst)

Nevada National Security Sites • Full-time • North Las Vegas, NV, US • $113.28k - $172.74k / year • 2w ago

2w ago

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Defense Technologies Engineering Division (DTED): Undergraduate Intern - Summer 2025

Lawrence Livermore National Laboratory • Intern/Co-op/Postgrad • Livermore, CA, US • 1m ago

1m ago

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Program Manager II - Dynamic Experiments

Nevada National Security Sites • Full-time • Santa Barbara, CA, US • $154.69k - $247.48k / year • 3w ago

3w ago

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Senior VP, Field Operations

Centrus Energy • Full-time • Oak Ridge • 1m ago

Engineering

1m ago

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R&D Engineer 3/4

Los Alamos National Laboratory • Full-time • Los Alamos, NM, US • 1w ago

1w ago

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Artificial Intelligence/Machine Learning - Postdoctoral Researcher

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • 1w ago

1w ago

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PULSE Construction Manager III

Nevada National Security Sites • Full-time • Mercury, NV, US • $178.07k - $289.37k / year • 3w ago

3w ago

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Senior Mission Communications Specialist

Nevada National Security Sites • Full-time • Las Vegas, NV, US • 3w ago

3w ago

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Program Manager I

Nevada National Security Sites • Full-time • Santa Barbara, CA, US • $126.53k - $202.45k / year • 1d ago

1d ago

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Senior Principal Work Planner

Nevada National Security Sites • Full-time • Santa Barbara, CA, US • $119.58k - $185.37k / year • 1d ago

1d ago

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Program Manager I

Nevada National Security Sites • Full-time • North Las Vegas, NV, US • 3d ago

3d ago

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Senior Project Controls Specialist

Nevada National Security Sites • Full-time • North Las Vegas, NV, US • $77.00k - $115.50k / year • 2w ago

2w ago

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Sr Principal Project Controls Specialist

Nevada National Security Sites • Full-time • North Las Vegas, NV, US • $114.67k - $177.74k / year • 3w ago

3w ago

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Start Up Manager (Principal Engineer)

Nevada National Security Sites • Full-time • Mercury, NV, US • $116.44k - $177.57k / year • 4w ago

4w ago

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Defense Technologies Engineering Division (DTED): Graduate Intern - Summer 2025

Lawrence Livermore National Laboratory • Intern/Co-op/Postgrad • Livermore, CA, US • $6.41k - $7.78k / month • 1w ago

1w ago

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Superconducting Quantum Information - Postdoctoral Researcher

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • 1m ago

1m ago

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Cyber Security Analyst II

Nevada National Security Sites • Full-time • Las Vegas, NV, US • $35 - $52 / hour • 1d ago

1d ago

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Executive Assistant

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $54.90k - $94.44k / year • 1w ago

1w ago

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Manager II - Pulsed Power Testbed Operations

Nevada National Security Sites • Full-time • Mercury, NV, US • $148.32k - $237.33k / year • 2w ago

2w ago

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Sr. Vice President - Uranium Enrichment

ORAU • Full-time • Oak Ridge, TN, US • 1w ago

1w ago

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Machine Learning - Academic Graduate Appointee

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $6.69k - $7.65k / month • 4w ago

4w ago

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Principal Project Controls Specialist

Nevada National Security Sites • Full-time • Los Alamos, NM, US • $97.49k - $148.62k / year • 2w ago

2w ago

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Lead Project Manager

BWX Technologies • Erwin, TN, US • 2d ago

2d ago

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Operations Research Engineer

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • 3w ago

3w ago

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Financial Analyst Associate

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • 3d ago

3d ago

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Linux Support Technician

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $39 - $59 / hour • 1m ago

1m ago

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Intelligence Research Specialist.

U.S. Department of Energy (DOE) • Full-time • Washington, DC, US • $139.40k - $181.22k / year • 1w ago

1w ago

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Business Development Executive - Entrepreneurship

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $132.81k - $170.56k / year • 12h ago

12h ago

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Power Grid Engineer

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $110.70k - $170.56k / year • 4w ago

4w ago

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Electric Utility Distribution Electrician

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $46 - $53 / hour • 1w ago

1w ago

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Associate Research Staff in Computer Vision

Oak Ridge National Laboratory • Oak Ridge, TN, US • 3h ago

3h ago

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Fire Protection Engineer Intern - Virginia (Summer 2025)

BWX Technologies • Lynchburg, VA, US • 1d ago

1d ago

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Executive Protocol Officer

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $104.91k - $130.24k / year • 2w ago

2w ago

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Artificial Intelligence Developer (Hybrid)

Oak Ridge National Laboratory • Oak Ridge, TN, US • 1d ago

1d ago

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NME Engineer

BWX Technologies • Lynchburg, VA, US • 2d ago

2d ago

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Senior Artificial Intelligence Architect (Hybrid)

Oak Ridge National Laboratory • Oak Ridge, TN, US • 3h ago

3h ago

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Protective Force Supervisor Lieutenant

SIMCO • Full-time • Carlsbad, NM, US • 1w ago

1w ago

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Design Physicist

Lawrence Livermore National Laboratory • Full-time • Remote (Livermore, CA, US) • $132.81k - $204.64k / year • 1w ago

1w ago

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Computational Physicist

Lawrence Livermore National Laboratory • Full-time • Remote (Livermore, CA, US) • $132.81k - $204.64k / year • 1w ago

1w ago

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Cyber Security Engineer

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • 2w ago

2w ago

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Software Developer

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $110.70k - $170.56k / year • 1w ago

1w ago

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Full Stack Web Developer

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $132.81k - $204.64k / year • 2w ago

2w ago

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Polymer/Chemistry and Materials Science Technologist/Senior Technologist

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $39 - $59 / hour • 1w ago

1w ago

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Postdoc Research Associate, Chemistry

Savannah River National Laboratory • Full-time • Aiken, SC, US • 3w ago

3w ago

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Deputy Director for Science and Technology (DDS&T)

Pacific Northwest National Laboratory • Full-time • Richland, Washington, United States • 3w ago

3w ago

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Associate Laboratory Director (ALD), Physical and Computational Sciences Directorate

Pacific Northwest National Laboratory • Full-time • Richland, Washington, United States • 4m ago

4m ago

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Senior .Net Application Modernization Developer

BWX Technologies • Lynchburg, VA, US • 1d ago

1d ago

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RTR Low Enriched Uranium (LEU) Materials Process Engineer

BWX Technologies • Lynchburg, VA, US • 2d ago

2d ago

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Structural Engineer

Boston Government Services, LLC (BGS) • Full-time • Oak Ridge, TN, US • 3w ago

3w ago

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Plumber-Steamfitter-Jrn

Central Plateau Cleanup Company • Full-time • Richland, WA, US • 2d ago

2d ago

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Health Physicist

Lawrence Livermore National Laboratory • Full-time • Livermore, CA, US • $118.29k - $182.39k / year • 1m ago

1m ago

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Statistician

BWX Technologies • Lynchburg, VA, US • 1d ago

1d ago

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Radiological Control Technician III

Oak Ridge National Laboratory • Oak Ridge, TN, US • 2h ago

2h ago

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Radiological Control Technician II

Oak Ridge National Laboratory • Oak Ridge, TN, US • 3h ago

3h ago

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Materials Engineer, Intermediate

Savannah River National Laboratory • Full-time • Aiken, SC, US • 1w ago

1w ago

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Radiological Control Technician IV

Oak Ridge National Laboratory • Oak Ridge, TN, US • 3h ago

3h ago

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Associate Lab Director (ALD), Operational Systems

Pacific Northwest National Laboratory • Full-time • Richland, Washington, United States • 1w ago

1w ago

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Contract Proposal Specialist

BWX Technologies • Lynchburg, VA, US • 2d ago

2d ago

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