• Modeling and Simulation Engineer

    KBR (Reston, VA)
    …Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information ( SCI ) eligibility Desired: + Master ... Title: Modeling and Simulation Engineer Specialist KBR is seeking...identity or expression, age, national origin, veteran status, genetic information , union status and/or beliefs, or any other characteristic… more
    KBR (08/14/25)
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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 ... Title: Modeling and Simulation Engineer (Senior II) Belong. Connect....identity or expression, age, national origin, veteran status, genetic information , union status and/or beliefs, or any other characteristic… more
    KBR (08/14/25)
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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 ... Title: Modeling and Simulation Engineer (Senior I) Belong. Connect....identity or expression, age, national origin, veteran status, genetic information , union status and/or beliefs, or any other characteristic… more
    KBR (08/14/25)
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  • Modeling and Simulation Engineer

    KBR (Chantilly, VA)
    Title: Modeling and Simulation Engineer KBR is seeking a...Top Secret clearance and eligible for SCI . Current TS / SCI preferred. Belong, ... highly qualified Modeling and Simulation Engineer to join our team. The...identity or expression, age, national origin, veteran status, genetic information , union status and/or beliefs, or any other characteristic… more
    KBR (09/02/25)
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  • Simulation Engineer - TS

    Leidos (Reston, VA)
    …**Required Education, Clearance, Skills, and Experience:** + Candidate MUST possess an active TS / SCI , or a Top Secret clearance with a current SSBI, and ... Business Area at Leidos has an opening for a Simulation Engineer in Reston, Virginia. The primary...be eligible to obtain a TS / SCI w/ poly level clearance. US Citizenship… more
    Leidos (09/26/25)
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  • Mid-Level Modeling and Simulation

    KBR (Chantilly, VA)
    Title: Mid-Level Modeling and Simulation Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... of space defense. KBR is seeking a Modeling And Simulation Engineer with in-depth knowledge of satellite...maintain technical documentation and reports Minimum qualifications: + Active TS / SCI with Polygraph + Bachelor's degree (Master's… more
    KBR (09/16/25)
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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 ... you receive the utmost employee care. Responsibilities As the Modeling and Simulation Engineer , you will provide specialized engineering expertise supporting the… more
    Sciolex Corporation (10/09/25)
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  • Enterprise Resilience Systems Engineer

    KBR (Chantilly, VA)
    Title: Enterprise Resilience Systems Engineer - Modeling and Simulation KBR seeks a highly motivated Systems Engineer to support an Intelligence Community ... mission fundamentals, and the ability to perform modeling and simulation of complex space systems in a Digital Engineering...environment + Familiarity with IC and/or DoD Security Requirements: TS / SCI with Poly Belong, Connect and Grow… more
    KBR (09/02/25)
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  • Mission Modeling and Simulation Analyst…

    SAIC (Alexandria, VA)
    …both technical and non-technical stakeholders. **Qualifications** **Required Clearance:** + Active TS / SCI . + US citizenship. **Required Education:** + Bachelors ... SAIC is seeking motivated and detail-oriented **Mission Modeling and Simulation Analysts - Engineers** to join our dynamic team....has annual revenues of approximately $6.5 billion. For more information , visit saic.com. For information on the… more
    SAIC (10/08/25)
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  • Mechanical Engineer - Multiple Levels…

    Leidos (Reston, VA)
    …process **REQUIRED SKILLS, EDUCATION, EXPERIENCE, CLEARANCE:** + Candidate must possess an active TS / SCI , or a Top Secret clearance with a current SSBI, ... and be eligible to obtain a TS / SCI w/ CI poly level clearance +...models + Ability to make decisions based on incomplete information and communicate any gaps in information more
    Leidos (09/20/25)
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  • Electrical Engineer - Multiple Positions…

    Leidos (Reston, VA)
    …experience, including Senior Officials. **Clearance Requirement:** Candidate MUST POSSESS an active TS / SCI , or a Top Secret clearance with a current ... Area at Leidos has an opening for an Electrical Engineer in Reston, Virginia. The primary focus of the...candidates for consideration must possess an active TS / SCI , or a Top Secret more
    Leidos (10/04/25)
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  • Structural Engineer - Multiple Positions…

    Leidos (Reston, VA)
    …Officials **Required Skills, Education, and Experience:** + Candidate must possess an active TS / SCI , or a Top Secret clearance with a current SSBI, and ... Area at Leidos has an opening for a Structural Engineer in Reston, Virginia. The primary focus of the...be eligible to obtain a TS / SCI w/ poly level clearance. US Citizenship… more
    Leidos (10/04/25)
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  • Mobility Engineer - TS / SCI

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ204672 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... + Maintains current knowledge of rapidly changing technology Education and Experience + Active TS / SCI and CI polygraph + Must possess the required DoD Directive… more
    General Dynamics Information Technology (08/08/25)
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  • Principal / Sr. Principal Mission Operations…

    Northrop Grumman (Chantilly, VA)
    …external customers at milestone reviews **Preferred Qualifications:** + Active Top Secret / SCI clearance + Support mission simulation , scripting, and ... BitBucket, MatterMost. This can be filled as a Principal Engineer (level 3) or Sr Principal Engineer ...US citizen + Active or current Top Secret clearance with the ability to obtain SCI more
    Northrop Grumman (09/03/25)
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  • Senior Software Developer - TS / SCI

    Leidos (Reston, VA)
    …**Required clearance:** Candidates for consideration **must possess an active and in-scope** Top Secret clearance with the ability and willingness to obtain ... **Description** The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities within a matrixed research… more
    Leidos (09/21/25)
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  • Secured Conferencing Engineer SETA

    SAIC (Chantilly, VA)
    …provisioning. US Citizenship required. Active Top Secret / Sensitive Compartmented Information ( TS / SCI ) clearance with Poly is required ... SAIC has an opening for an experienced Secured Conferencing Engineer (SETA) in Chantilly, VA to assist a government...a Top Secret / Sensitive Compartmented Information ( TS / SCI )… more
    SAIC (10/01/25)
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  • Data Analytics SETA

    SAIC (Chantilly, VA)
    …provisioning. US Citizenship required. Active Top Secret / Sensitive Compartmented Information ( TS / SCI ) clearance with Poly is required ... SAIC is seeking an experienced Data Analytics based Systems Engineer and Technical Assistant (SETA) for a position supporting...a Top Secret / Sensitive Compartmented Information ( TS / SCI )… more
    SAIC (08/09/25)
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  • Senior Software Engineer /AFSIM Modeler

    KBR (Reston, VA)
    …Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information ( SCI ) eligibility Desired: + Master ... Title: Senior Software Engineer /AFSIM Modeler Belong. Connect. Grow. with KBR! KBR's...research analysts, modelers, and software engineers who conduct modeling, simulation , and analysis (MS&A) of emerging concepts for the… more
    KBR (09/30/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    …**Required Skills, Education, Clearance and Experience:** + Candidate **must possess** an active TS / SCI , or a Top Secret clearance with a current SSBI, ... Business Area at Leidos is looking for a Mechanical Engineer to join our Reston, VA based team. The...and be eligible to obtain a TS / SCI w/ CI poly level clearance. US… more
    Leidos (09/26/25)
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  • Technical Change Process Engineer

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …and/or Experience: Bachelor's degree and/or 2 to 5 years of experience * Security Clearance: TS / SCI required with the ability to obtain a TS / SCI ... **Technical Change Process Engineer ** **Category:** Business Consulting, Strategy and Digital Transformation...5 to 10 years of experience * Security Clearance: TS / SCI required with the ability to obtain… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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