• 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 (10/14/25)
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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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  • AFSIM Mission Analyst *Clearance Required

    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 (10/22/25)
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  • TS / SCI - Modeling and Simulation…

    Insight Global (Colorado Springs, CO)
    …8+ years of system design experience, including hardware/software integration. - Active TS / SCI clearance required. - Strong understanding of military space ... Job Description We are seeking a Modeling, Simulation, and Analysis Engineer 4 to provide advanced MS&A support for Department of Defense strategies, plans,… more
    Insight Global (10/30/25)
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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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  • Modeling and Simulation Engineer

    KBR (Reston, VA)
    …Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information ( SCI ) eligibility Desired: + Master ... and Simulation Engineer (Specialist) KBR is seeking a Modeling & Simulation Engineer (Specialist) with AFSIM experience to join a team of quantitative… more
    KBR (10/22/25)
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  • Modeling & Simulation Engineer (Senior I)

    KBR (Reston, VA)
    …Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information ( SCI ) eligibility Desired: + Master ... Title: Modeling & Simulation Engineer (Senior I) Belong. Connect. Grow. with KBR!...+ At least 3 years of demonstrated proficiency in AFSIM ; experience in other mission-level combat modeling & simulation… more
    KBR (10/22/25)
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  • Military Fellowship Program: Systems…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …or standard tools such as Matlab, Python, and C++. + **Eligible to obtain/maintain Top Secret with SCI eligibility US Security Clearance is required** ... industry standard modeling and simulation tools - such as AFSIM and STK - and develop novel modeling simulation...US Security Clearance **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility… more
    Sierra Nevada Company, LLC (08/14/25)
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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 (08/30/25)
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  • Electronics 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 ... Electronics 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 (08/28/25)
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  • EO/IR Modeling and Simulation Engineer

    Parsons Corporation (Huntsville, AL)
    …an ACTIVE Secret Clearance and be willing/able to obtain and maintain a Top Secret / SCI Clearance **What Required Skills You'll Bring:** + Degree in ... Experience with working with environmental datasets, optical propagation + TS / SCI Clearance **Security Clearance Requirement:** An active Secret security… more
    Parsons Corporation (10/07/25)
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  • Systems Engineer II - Military Operations…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …tools such as Matlab, Python, and C++. + **A current/active Top Secret US Security Clearance with SCI Eligibility is required.** **Qualifications We ... way of living. Join our team! As a Systems Engineer , you will be using your skills and expertise...related field + Experience with DoD mission modeling codes ( AFSIM , STK, BRAWLER, SUPPRESSOR, ESAMS, etc) + Working knowledge… more
    Sierra Nevada Company, LLC (08/20/25)
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  • Model Based Systems Engineer

    Leidos (Beavercreek, OH)
    …a US Citizen. + Must be able to obtain and maintain a Top - Secret security clearance. + Strong interpersonal and communication skills **Preferred ... currently has an opening for a cleared Lead Systems Engineer to work in our Beavercreek, OH Office. This...Qualifications.** + Active DoD TS / SCI clearance + Familiar with Agile Methodologies,… more
    Leidos (08/13/25)
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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 (08/14/25)
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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 (10/11/25)
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  • Space Mission Analyst / Operations Research II

    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 ... * US Citizenship required * Must have an active Top Secret clearance with an investigation within...well as an ability and willingness to obtain a TS / SCI clearance **Desired Skills:** * Bachelor's degree… more
    Lockheed Martin (09/13/25)
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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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  • Systems Architect IV

    Lockheed Martin (Littleton, CO)
    …will need to be a US Citizen, and able to possess and maintain a US DoD TOP SECRET / SCI and SAP clearances to support these government contracts, as well as ... and background check, in order to meet eligibility requirements for access to classified information **Desired Skills:** \- Active TS / SCI and SAP clearances… more
    Lockheed Martin (08/14/25)
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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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  • 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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