• Applied Research Associates, Inc. (Herndon, VA)
    …network policies **Senior DevOps Engineer Preferred Qualifications:** + An active TS / SCI with CI Poly security clearance + OpenShift Certified Administrator ... **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift and you...+ **Must be a US citizen with an active TS / SCI security clearance** + Bachelors degree in… more
    DirectEmployers Association (09/11/25)
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  • Modeling & Simulation Engineer

    KBR (Reston, VA)
    …Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information ( SCI ) eligibility Desired: + Master ... Title: Modeling & Simulation Engineer (Specialist) Belong. Connect. Grow....identity or expression, age, national origin, veteran status, genetic information , union status and/or beliefs, or any other characteristic… 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 ... 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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  • Machine Learning Modeling and Simulation

    SAIC (Chantilly, VA)
    …in modeling and simulation for aerospace or space systems. + Active Top Secret / SCI w/Poly Clearance. + Strong understanding of sensor phenomenology ... **Description** SAIC is seeking a Machine Learning Modeling and Simulation Engineer in Chantilly, VA. The successful...has annual revenues of approximately $6.5 billion. For more information , visit saic.com. For information on the… more
    SAIC (10/22/25)
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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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  • CAD Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …experience in modeling and simulation for aerospace or space systems. + Active Top Secret / SCI w/Poly Clearance. + Proficiency with CAD tools (eg, ... **Description** **SAIC** is seeking a **CAD Modeling and Simulation Engineer in Chantilly, VA** to...has annual revenues of approximately $6.5 billion. For more information , visit saic.com. For information on the… more
    SAIC (10/24/25)
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  • Modeling and Simulation Engineer

    SAIC (Chantilly, VA)
    …in modeling and simulation for aerospace or space systems. + Active Top Secret / SCI w/Poly Clearance. + Strong understanding of sensor phenomenology ... **Description** SAIC is seeking a Modeling and Simulation Engineer to support a customer...has annual revenues of approximately $6.5 billion. For more information , visit saic.com. For information on the… more
    SAIC (10/22/25)
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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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  • 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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  • 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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  • 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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  • 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:** RQ209111 **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 (10/22/25)
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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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  • Teleconferencing Engineer

    SAIC (Chantilly, VA)
    …provisioning. US Citizenship required. Active Top Secret / Sensitive Compartmented Information ( TS / SCI ) clearance with Poly is required ... DESCRIPTION:** SAIC has an opening for an experienced Teleconferencing 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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  • Processing Systems Engineer (Associate…

    The Boeing Company (Springfield, VA)
    …Clearance** This position requires an active Top Secret / Sensitive Compartmented Information ( TS / SCI ) US Security Clearance with an ... is looking for an **Associate or Mid-Level Processing Systems Engineer ** (Level 2 or 3) to maintain data processing...languages and modeling tools used in data analysis and simulation + Formal training/previous work experiences in product quality… more
    The Boeing Company (10/30/25)
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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:** Project Management **Main location:** United States,...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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