• SLAC National Accelerator Laboratory (Menlo Park, CA)
    Project Scientist - Multi-Facility Operando Catalysis Job ID 6546 Location SLAC - Menlo Park, CA Full-Time Temporary **SLAC Job Postings** **Position Overview:** The ... (SSRL), SLAC National Accelerator Laboratory, invites applications for a Project Scientist position focused on advancing _operando_ X-ray spectroscopy for catalysis… more
    DirectEmployers Association (10/31/25)
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  • SLAC National Accelerator Laboratory (Menlo Park, CA)
    Associate Staff Scientist - Sheet Jet Delivery - LCLS-II UED Job ID 6532 Location SLAC - Menlo Park, CA Full-Time Temporary **SLAC Job Postings** **Position ... and a national user facility, seeks an Associate Staff Scientist to take a leading role in the development...support of user operations for sample delivery methods and systems compatible with superconducting XFEL experiments in the soft… more
    DirectEmployers Association (10/14/25)
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  • Mission Support and Test Services (Mercury, NV)
    …for Subcritical Experiments (PULSE) and other facilities located at the Nevada National Security Site (NNSS). This Pulse Power Scientist will report primarily to ... Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA).… more
    DirectEmployers Association (10/01/25)
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  • Battelle Memorial Institute (Beavercreek, OH)
    …developing, and deploying advanced technical solutions to solve the most challenging national security problems. "From Silicon to Systems " - We are an elite, ... team, bringing together the brightest minds from physics, computer science, electrical engineering , and mathematics to develop unique embedded security solutions… more
    DirectEmployers Association (10/16/25)
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  • Applied Research Associates, Inc. (Littleton, CO)
    …ballistics modeling and experimentation + Design & Prototyping-software, electronics, mechanical systems + Optical System R&D - remote sensing, laser analysis, ... sensing, laser/material interactions, sensor development in support of national security applications. These projects will require close coordination with subject… more
    DirectEmployers Association (10/17/25)
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  • Mission Support and Test Services (North Las Vegas, NV)
    …Experimentation (PULSE) Complex and other facilities located at the Nevada National Security Site (NNSS). This Diagnostic Scientist will report primarily to ... Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA).… more
    DirectEmployers Association (09/25/25)
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  • Applied Research Associates, Inc. (Littleton, CO)
    …ballistics modeling and experimentation + Design & Prototyping-software, electronics, mechanical systems + Optical System R&D - remote sensing, laser analysis, ... end users. What you'll do as an ARA Junior Scientist /Engineer: + Conduct research and development in optical sensors,...EDUCATION + Requires BS or higher in optics, physics, engineering , or a related field. REQUIREMENTS + 0-2 years… more
    DirectEmployers Association (10/22/25)
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  • Mission Support and Test Services (North Las Vegas, NV)
    …Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). ... Our MISSION is to help ensure the security of the United States and its allies by...providing high-hazard experimentation and incident response capabilities through operations, engineering , education, field, and integration services and by acting… more
    DirectEmployers Association (09/25/25)
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  • Argonne National Laboratory (Springfield, IL)
    …Group at the Center for Nanoscale Materials (CNM) seeks an outstanding Assistant Scientist to lead and support frontier research at the intersection of AI/ML, data ... infrastructure, autonomous systems , and materials science. You will develop and apply...growth and operations + Work toward promotion from Assistant Scientist to Scientist + Manage vendor relationships… more
    DirectEmployers Association (09/10/25)
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  • Carnegie Mellon University (Pittsburgh, PA)
    …Institute (http://cylab.cmu.edu/) at Carnegie Mellon University is searching for a special faculty systems scientist to teach and conduct research in the usable ... privacy and security and technology ethics areas. CyLab works to catalyze,...will be appointed to CyLab, within the College of Engineering , but may be offered affiliate faculty or similar… more
    DirectEmployers Association (08/06/25)
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  • Battelle Memorial Institute (Fort Belvoir, VA)
    …all qualified individuals to apply. **Job Summary** Battelle's National Security Business Unit is seeking experienced **Geospatial Researchers/Data Scientists** to ... Combatant Command (COCOM) programs, with additional applications in military engineering , DoD installation management, and USACE projects. **Deliverable:** The… more
    DirectEmployers Association (09/23/25)
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  • ExxonMobil (Baytown, TX)
    …product in a growing business. Your office is at the Baytown Technology and Engineering Complex located in Baytown, Texas. However, a significant part of your time ... process/plant performance. + Strong interface with the Business team, Process Engineering and Manufacturing groups. + Identify and acquire capital equipment /… more
    DirectEmployers Association (09/19/25)
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  • SLAC National Accelerator Laboratory (Menlo Park, CA)
    …Menlo Park, CA Full-Time Temporary **SLAC Job Postings** **Associate Staff Scientist ? Droplet Delivery Specialist- LCLS-II-HE upgrade** **Position overview:** The ... and a national user facility, seeks an Associate Staff Scientist to take a leading role in the development...role in the development of sample delivery methods and systems , as well as in the application of electrochemical… more
    DirectEmployers Association (08/29/25)
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  • Mission Support and Test Services (Los Alamos, NM)
    …who would strengthen NNSS leadership in all aspects of optical design and optical engineering in our Nevada National Security Sites (NNSS) Los Alamos Office, ... This individual will work to translate science and physics needs into engineering requirements, create optical diagnostic systems to meet these requirements,… more
    DirectEmployers Association (09/16/25)
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  • Applied Research Solutions (Norfolk, VA)
    …one or more of the following: + Lead or support projects related to systems engineering , systems integration, logistics, cybersecurity, and tactical data ... + Contract Procurement + Enterprise Architect + AI Data Scientist + Business Intelligence Analyst + Applied Technology Engineer...in one or more of the following domains: + Systems engineering and integration + Acquisition and… more
    DirectEmployers Association (10/18/25)
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  • SLAC National Accelerator Laboratory (Menlo Park, CA)
    …to study matter and processes at the atomic and molecular level. Over 1600 scientist from all over the world utilize our research facility and resources each year. ... and maintenance of mechanical and Ultra-High Vacuum (UHV) precision systems and associated controls for the execution of performance...closely with the Vacuum Group manager as well as engineering and scientific staff to carry out field activities… more
    DirectEmployers Association (10/09/25)
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  • ExxonMobil (Spring, TX)
    …Houston here (https://corporate.exxonmobil.com/locations/united-states/houston-campus) **.** **Job Role Summary** ML Engineering is a technical field that deals with ... retraining pipeline and user interface development in partnership with Data Scientist and business units. Machine Learning Engineer also identifies effective design… more
    DirectEmployers Association (10/29/25)
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  • Scientist , Systems

    L3Harris (Greenville, TX)
    …land, sea and cyber domains in the interest of national security . Job Title: Scientist , Systems Engineering ( Security Architect) Job Code: 30451 Job ... Top Secret with SCI and CI Poly. Job Description: We are looking for a Scientist , Systems Engineering ( Security Architect) to lead the security more
    L3Harris (10/29/25)
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  • Senior Scientist , Systems

    L3Harris (Anaheim, CA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Scientist , Senior Chief Engineer and Architect Job Code: ... interfaces, Aviation, DO-178/DO-254, MSO/TSO. + Technical depth and breadth in Systems , Software, Hardware, Electrical, and Mechanical Engineering . + Hands-on… more
    L3Harris (10/01/25)
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  • Sr Scientist , Systems

    L3Harris (San Diego, CA)
    …and cyber domains in the interest of national security . Job Title: Sr Scientist , Space Vehicle Power Systems Engineer Job Code: 30471 Job Location: Remote or ... San Diego, CA or Colorado Springs, CO Job Description: L3Harris' Space and Airborne Systems seeks an Enterprise Space Vehicle (SV) Power Engineer to join our growing… more
    L3Harris (10/26/25)
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