• TS / SCI Afsim

    Insight Global (Ravanna, MO)
    …Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements * Active TS / SCI security clearance. * Bachelor's degree in ... Global is seeking a highly skilled Modeling and Simulation Engineer to work fully on-site in support of one...developing asset/entity models using simulation programs such as ODESSA, AFSIM , ITASE, NGTS, OneSAF, or other DoD/IC simulation tools.… more
    Insight Global (11/12/25)
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  • Specialist, Systems Engineer TS

    L3Harris (Palm Bay, FL)
    …Python, Java + Advanced experience of MBSE tools: Cameo, ModelCenter, DOORS, Rhapsody + Top Secret SCI clearance highly desired In compliance with pay ... into operational analysis + Design multi-domain simulation capabilities in AFSIM (R), MATLAB(R) and or STK(R) in support of MAG...Must have and be able to maintain a DoD TOP SECRET / SCI security clearance +… more
    L3Harris (11/15/25)
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  • Scientist, Systems Engineer TS

    L3Harris (Colorado Springs, CO)
    …talent across the MAG Qualifications: + Must have and be able to maintain a DoD TOP SECRET / SCI security clearance + Bachelor's Degree and a minimum of 12 ... 9/80 Job Description: L3Harris Technologies has an opening for a Scientist, Systems Engineer (Geolocation and Tracking) to join our Mission Analysis Group (MAG). The… more
    L3Harris (10/12/25)
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  • TS / SCI - Electronic Warfare…

    Insight Global (Warner Robins, GA)
    …EW/EMSO concepts, mission systems, and operational applications. - Must have an active Top Secret / SCI clearance. Must maintain clearance at required level. ... Job Description We are seeking an Electrical Engineer to join our team at Robins AFB, GA. As an Electrical Engineer your duties will include the following, but… more
    Insight Global (11/12/25)
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  • AFSIM Modeling And Simulation Analyst…

    TEKsystems (Beavercreek, OH)
    …operating environment Possession of excellent verbal and written communication skills TS / SCI clearance Master's degree in a Science, Technology, Engineering, ... Description As a systems engineer on our team, you'll have the chance...or Mathematics field Skills AFSIM , c++, matlab, python, Simulation Top Skills… more
    TEKsystems (12/02/25)
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  • Modeling & Simulation Engineer (Specialist)

    KBR (Reston, VA)
    …Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information ( SCI ) eligibility Desired: + Master ... and shape the future of space defense. KBR is seeking a Modeling & Simulation Engineer Specialist with AFSIM experience to join a team of quantitative analysts… more
    KBR (10/24/25)
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  • Mechanical Engineer -Modeling

    CACI International (Charlottesville, VA)
    …203 and ICD 206. Requirements: * This position requires a minimum of a Top - Secret clearance with SCI eligibility. * Significant software skills, comfortable ... Mechanical Engineer -Modeling Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel… more
    CACI International (11/29/25)
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  • Military Operations SME (Software Engineer

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Full Time/Salaried/Exempt Anticipated Salary Range: $100,000.00 - $150,000.00 Security Clearance: TS / SCI Level of Experience: Senior Meet HII's Mission ... collaborative team environment. + Must have had an active TS / SCI security clearance within the last 24...TTPs. + Prior hands-on experience with NGTS, JSE, ITAS, AFSIM , or other DoD modeling and simulation tools. +… more
    Huntington Ingalls Industries (10/24/25)
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  • Signal Processing Engineer - Modeling…

    Lockheed Martin (King Of Prussia, PA)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... is seeking a highly skilled and motivated Signal/Image Processing Engineer Stf to join our team\. In this role,...**Selected candidate will be required to possess an Active TS / SCI security clearance for consideration\.** This position… more
    Lockheed Martin (11/26/25)
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  • Senior Staff Engineer Mission…

    General Atomics (Poway, CA)
    …performance data into simulation frameworks. + Prior experience supporting or working within TS / SCI and Special Access Programs (SAP). + Knowledge of Command ... that support national security. We invite applications for an L8 Senior Staff Engineer who will serve as a recognized authority in one or more engineering… more
    General Atomics (11/19/25)
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  • Space Mission Analyst / Operations Research III

    Lockheed Martin (King Of Prussia, PA)
    …an active Top Secret clearance with the ability to obtain a TS / SCI clearance **Desired Skills:** * Bachelor's degree or higher in a Science, Technology, ... \(ISE\) team seeks a level 3 Operations Analyst or Engineer with experience in multi\-domain \(e\.g\. space, air, terrestrial\)...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (09/13/25)
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  • Software Engineer - C++, Python, Cloud,…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... will vary based on actual hiring job postings\. **Basic Qualifications:** * Active TS / SCI security clearance * Bachelor's degree in Computer Science, Electrical… more
    Lockheed Martin (09/13/25)
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  • Modeling and Systems Engineer (Mbse)

    ManTech (Crane, IN)
    …industry **Clearance Requirements:** + Must be a US Citizen and have an active TS / SCI **Physical Requirements:** + The person in this position must be able ... **MANTECH** seeks a talented and experienced **Modeling and Systems Engineer ** to join our team on-site in **Crane, IN** . This is an **on-site** position. Join… more
    ManTech (10/18/25)
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  • Model Based Systems Engineer (Mbse)

    IERUS Technologies, Inc. (Charleston, SC)
    …in IBM Rational DOORS; * AFSIM experience; * 5+ years of experience; * TS / SCI Clearance; and * Must be a US citizen. Desired Qualifications: * Master of ... and * 5+ years of experience performing model-based systems engineering (MBSE); * TS / SCI security clearance. Location: Charleston, SC/Various locations in the US… more
    IERUS Technologies, Inc. (11/01/25)
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  • Operations Research Analyst/ Engineer

    JHNA (Alexandria, VA)
    …proposals. Required Qualifications: + Candidate must be a US Citizen with an active Top Secret / SCI Clearance. + Education: Master's Degree from an accredited ... Time Overview: JHNA is currently seeking a talented Senior Operations Research Analyst/ Engineer to support our OUSW government customer in Alexandria, VA. This… more
    JHNA (12/05/25)
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  • Modeling and Simulation Engineer

    Sciolex Corporation (Chantilly, VA)
    …in acquiring modern processing applications. Qualifications & Physical Requirements + Active Top Secret / SCI Clearance with Polygraph. + Bachelor's degree ... the utmost employee care. Responsibilities As the Modeling and Simulation Engineer , you will provide specialized engineering expertise supporting the acquisition of… more
    Sciolex Corporation (10/09/25)
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  • Senior Radar Processing Engineer

    Applied Research Associates, Inc. (Cypress, CA)
    …and/or related fields **Highly Desired Qualifications:** + Active (or prior) security clearance of Secret or higher ( TS // SCI preferred) + An advanced degree ... (ARA) in Dayton, OH is seeking an independently motivated Senior Radar Processing Engineer ready to collaborate with our growing team of engineers, scientists, and… more
    Applied Research Associates, Inc. (09/18/25)
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  • Space Mission Analyst/Operations Research IV

    Lockheed Martin (King Of Prussia, PA)
    …Active Top Secret clearance with the ability to obtain a TS / SCI clearance **Desired Skills:** * Bachelors and/op Master's degree with strong math, ... is searching for a level 4 Operations Analyst or Engineer with experience in multi\-domain \(e\.g\. space, air, terrestrial\)...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (11/14/25)
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  • Modeling Simulation Software Engineer

    SAIC (El Segundo, CA)
    …shell (Windows Cmd or Bash). + Must have an in-scope security background investigation ( TS or SSBI), adjudicated for SCI eligibility and enrolled in the ... is seeking you, our latest **Modeling and Simulation Software Engineer ** , to support the US Space Force's mission...Must be willing to be nominated for access to Sensitive Compartment Information and Special Access Programs… more
    SAIC (10/29/25)
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  • Autonomy Simulation Lead

    General Atomics (Poway, CA)
    …to senior DoW stakeholders. + Ability to obtain and maintain a Top Secret / SCI clearance is required (active TS / SCI strongly preferred). **Salary:** ... four or more years with a PhD. May substitute equivalent machine learning engineer experience in lieu of education. + Demonstrated experience building and leading… more
    General Atomics (10/18/25)
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