• 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 (09/02/25)
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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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  • 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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  • 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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  • 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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  • Full Stack Software Engineer (UI…

    Deloitte (Baltimore, MD)
    …workflows. + Support client team's development and maintenance of a large suite of custom analytic and UI based software tools. + Work closely with client to ... growth through innovation. Work you'll do + Respond to software shortcomings reported by users of existing applications. +...or at any time in the future. + Active TS /SCI with Polygraph security clearance required. + Must be… more
    Deloitte (10/21/25)
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  • Geospatial Engineer ( TS /SCI…

    General Dynamics Information Technology (Mclean, VA)
    …RQ208276 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Family:** Software Engineering **Skills:** ESRI ArcGIS,Geospatial Mapping,Geospatial Tools,Oracle Spatial **Experience:** 6 + years of related experience **US… more
    General Dynamics Information Technology (10/08/25)
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  • SIGINT Tools System Engineer - TS

    CACI International (Annapolis Junction, MD)
    SIGINT Tools System Engineer - TS /SCI with Poly Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Employee Type: Regular ... + Provide direct user support and response to customers using Analytic Engagement Application (AEA) Tools for questions regarding account administration, system… more
    CACI International (10/24/25)
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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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  • 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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  • 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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  • 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)
    …to stay ahead of emerging threats and opportunities\. This Program is seeking a software engineer to parse data products which make information available for ... products to production\. **WHO YOU ARE** Experience as a Software Engineer with knowledge assisting in the...for work/life balance\. And more **Basic Qualifications:** An active Top Secret clearance with polygraph\. \- 14… more
    Lockheed Martin (10/29/25)
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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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  • System Automation Software Engineer

    Lockheed Martin (Annapolis Junction, MD)
    …using a microservices\-based architecture and cutting\-edge technologies\. The System Automation Software Engineer will be responsible for: \- Establishing a ... engineers to support a critical application centered in the Analytic mission as well as modernize the legacy system...experience with a related Masters degree\. \- An active Top Secret clearance with polygraph\. **Desired Skills:**… more
    Lockheed Martin (10/01/25)
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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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  • 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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  • 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 Mechanical Engineer - Thermal…

    Lockheed Martin (Littleton, CO)
    …Understanding of physics\-based modeling, simulation, and analysis * Ability to obtain a Top Secret clearance; US citizenship is required **Desired Skills:** * ... a community of engineers looking for an enthusiastic Mechanical Engineer to join the tight\-knit group\. The FBM Trident...collaboration tools, such as Jira and Confluence * Active Top Secret clearance **Security Clearance Statement:** This… more
    Lockheed Martin (10/29/25)
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  • Mechanical Engineer - Thermal Analysis…

    Lockheed Martin (Sunnyvale, CA)
    …computational, physics\-based modeling & simulation and analysis * Ability to obtain a Top Secret clearance; US citizenship is required **Desired Skills:** * ... presentation skills in front of customers, stakeholders, and/or leadership * Active Top Secret clearance **Security Clearance Statement:** This position requires… more
    Lockheed Martin (11/01/25)
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