• Software Engineer ( TS /SCI…

    Parsons Corporation (Fort George G Meade, MD)
    …Unleash your talent and redefine what's possible. **Job Description:** We are seeking a ** Software Engineer 1** to join the software development team who ... + TS SCI w/ poly required **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this position.​ This… more
    Parsons Corporation (12/02/25)
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  • Hybrid Software Engineer - TS

    CACI International (Laurel, MD)
    Hybrid Software Engineer - TS /SCI with Poly Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... * **The Opportunity:** CACI is seeking a Hybrid Senior Software Developer to join our team building a ...Merge Requests in gitlab. **Qualifications** : _Required:_ + Active TS SCI with Poly + 14+ years of experience… more
    CACI International (11/14/25)
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  • Top Secret Databricks SME

    Insight Global (Ashburn, VA)
    …Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements * Active Top Secret Clearance * 7+ years of professional ... Analyze project-related problems and create innovative solutions involving technology, analytic methodologies, and advanced solution components. * Optimize and… more
    Insight Global (12/07/25)
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  • Software Engineer - US Citzens…

    The Metamorphosis Group (Chantilly, VA)
    Software Engineer - US Citzens only - TS /SCI/FSP REQUIRED Chantilly, Virginia . Government/Military Apply Now Software Engineer - US Citizens only - ... REQUIRED US Veterans Preferred On premise at Government facility TS /SCI, Full Scope Poly (must already have and be...tickets. The Contractor team shall design, develop and modify software systems. The Contractor team shall unit test their… more
    The Metamorphosis Group (09/10/25)
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  • Specialist, Systems Engineer TS /SCI

    L3Harris (Palm Bay, FL)
    …as assigned Qualifications: + Must have and be able to maintain a DoD TOP SECRET /SCI security clearance + Bachelor's degree in STEM fields ( Software ... Java + Advanced experience of MBSE tools: Cameo, ModelCenter, DOORS, Rhapsody + Top Secret SCI clearance highly desired In compliance with pay transparency… more
    L3Harris (11/15/25)
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  • Scientist, Systems Engineer TS /SCI

    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 years ... signal processing, sensor systems, and RF or EO/IR physics + Advanced simulation software development experience in any Gov/Industry MS&A analytic tools: Matlab,… more
    L3Harris (10/12/25)
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  • Software Engineer (Data Analytics…

    BigBear.ai (Columbia, MD)
    …of this mission-essential platform. You will also contribute to the MI team as a software engineer and analytic developer where you will design, develop, and ... Overview BigBear.ai is seeking a Software Engineer . You will be a...of additional experience in place of a BS + Clearance: TS /SCI w/ Poly + Production-grade software development… more
    BigBear.ai (09/11/25)
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  • Senior Software Developer - TS /SCI…

    Leidos (Reston, VA)
    **Description** The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities within a matrixed ... **Required clearance:** Candidates for consideration **must possess an active and in-scope** Top Secret clearance with the ability and willingness to obtain… more
    Leidos (09/21/25)
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  • SAP NS2 Data Scientist / Data Engineer

    SAP (Herndon, VA)
    …enterprise facing software visualizations + Oversee the development of individual analytic efforts and guide team in analytic development process + Partner ... from. NS2 COMPANY DESCRIPTION SAP is the global market leader for business software and related services. SAP National Security Services Inc.(R) (SAP NS2(R)) is an… more
    SAP (11/12/25)
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  • Senior Analytic Engineer

    GliaCell Technologies (Linthicum Heights, MD)
    …apply if you currently do not possess this level of clearance. Are you a Senior Analytic Engineer who is ready for a new challenge that will launch your career ... An active or rein-statable TS /SCI with Polygraph security clearance is REQUIRED. Please...talented people Job Description: GliaCell is seeking a Senior Analytic Engineer on one of our subcontracts.… more
    GliaCell Technologies (11/25/25)
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  • Software Engineer Sr Advisor…

    General Dynamics Information Technology (Fairfax, VA)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Software Engineering **Skills:** ... 8 + years of related experience **US Citizenship Required:** Yes **Job Description:** Software Engineer Sr Advisor Deliver simple solutions to complex problems… more
    General Dynamics Information Technology (10/21/25)
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  • Software Engineer with Poly Sr Swe2

    Lockheed Martin (Annapolis Junction, MD)
    …ahead of emerging threats and opportunities\. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse ... products to production\. **WHO YOU ARE** Experience as a Software Engineer with knowledge assisting in the...off for work/life balance\. And more **Basic Qualifications:** Active Top Secret clearance with polygraph 14 years… more
    Lockheed Martin (11/27/25)
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  • Data Engineer - Subject Matter Expert (SME)

    Noblis (Chantilly, VA)
    …Increments (PIs) and Agile Release Train (ART) activities. Required Qualifications + Active Top Secret ( TS ) clearance with eligibility for Sensitive ... data pipelines and ETL processes for desktop and web-based analytic software , facilitate the bulk analysis of...and optimize large relational databases across multi-enclave environments (Unclassified, Secret , and Top Secret ). +… more
    Noblis (10/30/25)
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  • Cloud Software Engineer (Levels 2…

    Belay Technologies (Annapolis Junction, MD)
    …and diverse Big-Data cloud systems based on documented requirements. The Cloud Software Engineer provides expertise in cloud computing, and Eco-System, including ... applications, distributed Computing, Information Retrieval (IR), and Object-Oriented Design. Cloud Software Engineer works individually or as part of a… more
    Belay Technologies (11/19/25)
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  • Lead Network Engineer

    The MITRE Corporation (Mclean, VA)
    …requires the candidate to have a minimum of the following clearance(s): Top Secret /SCI/Polygraph This requisition requires the hired candidate to have ... within one year from the date of hire, the following clearance(s): Top Secret /SCI/Polygraph Work Location Type: Onsite Commitment to Non-Discrimination All… more
    The MITRE Corporation (09/17/25)
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  • Software Engineer

    Synergy ECP (Columbia, MD)
    Software Engineer Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time Description Founded in 2007 and headquartered in ... view existing data or contribute new information in a collaborative environment. The Software Engineer for this position may be professionally focused on… more
    Synergy ECP (10/15/25)
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  • Software Engineer

    Synergy ECP (Columbia, MD)
    …other protected class. Clearance Required: TS /SCI w/ Polygraph Job Description:Seeking a Software Engineer 1 to join the software development team who ... Software Engineer Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job...application development and support to tools that allow mission analytic users to view existing data or contribute new… more
    Synergy ECP (10/15/25)
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  • Mid Career Cybersecurity Engineer

    Lockheed Martin (Littleton, CO)
    …facility that requires special access\. The selected candidate must possess an active Top Secret clearance with SCI eligibility to start\. \#LI\-CS1 **Basic ... **Description:** You will be the Mid\-Career Cybersecurity Engineer for the Cybersecurity team which is responsible...and analysis of mitigation solutions + Working with the software development team on the integration of secure coding… more
    Lockheed Martin (10/22/25)
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  • Senior Malware Engineer

    Leidos (Alexandria, VA)
    …Malware Engineer ** on the DISA GSM-O program in Alexandria, VA.An active Top Secret security clearance and demonstrated advanced technical ability in reverse ... a standard process for the capturing and analysis of software artifacts suspected of being malicious code. This analysis...(eg, Python, C, C++, Ruby) **Basic Qualifications:** + **Active Top Secret clearance or higher** (program can… more
    Leidos (10/31/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel ... Posting End: 1/1/2026 **The Opportunity:** CACI is seeking a Software Engineer to join a highly energetic...able to be impact configuration, control, status, processing, and analytic solutions for this critical operational system. Join us… more
    CACI International (12/04/25)
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