• Senior Software Developer - TS

    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 (12/21/25)
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  • Software Engineer

    Lockheed Martin (Hanover, MD)
    …still a learner\. **Desired Skills:** * C\+\+ * Python * Kubernetes **Clearance Level:** TS / SCI w/Poly SP **Other Important Information You Should Know** ... and the world depend upon each minute: Financial assets\. Healthcare information \. Critical infrastructure\. Hazardous materials\. The uninterrupted flow of energy… more
    Lockheed Martin (11/22/25)
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  • Cyber Software Engineer

    Lockheed Martin (Denver, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... Linux, Unix, Mac, Windows, Android, iOS\. * Hands\-on experience developing software using Configuration Management Tools \(e\.g\., Git, SVN, TFS\)\. * Experience… more
    Lockheed Martin (12/14/25)
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  • 343 - Software Engineer

    ARSIEM (Laurel, MD)
    …Original Posting Date: 2025-12-18 Clearance Requirement: This position requires an active TS / SCI with a polygraph. You must be a US Citizen ... for consideration. Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully… more
    ARSIEM (12/19/25)
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  • Software /Systems Engineer II…

    RTX Corporation (State College, PA)
    …that will keep you state-of-the-art. **Qualifications You Must Have** + An active and transferable Top Secret security clearance that can be crossed over to a ... citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At Raytheon, the foundation...that create a safer, more secure world. In the Software /Systems Engineering role, you will design, develop, and test… more
    RTX Corporation (12/06/25)
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  • Software Development Engineer , AWS…

    Amazon (Arlington, VA)
    …encryption(HAIPE/Ethernet Data Encryption(EDE)) - Current, active US Government Security Clearance of Top Secret or above Amazon is an equal opportunity employer ... allow our customer to deploy and run their isolated, sensitive workloads in an environment exclusive for their use-case....and obtain and maintain a security clearance at the TS / SCI with polygraph level. Upon start, the… more
    Amazon (12/09/25)
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  • Software Development Engineer III,…

    Amazon (Arlington, VA)
    …degree in computer science or equivalent - Current, active US Government Security Clearance of Top Secret with SCI eligibility or above Amazon is an equal ... must obtain and maintain a security clearance at the TS / SCI with polygraph level. Upon start, the...and coach other engineers, fostering a culture of robust software development - Establish and improve operational practices including… more
    Amazon (11/13/25)
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  • Senior Software Test Engineer

    BigBear.ai (Annapolis Junction, MD)
    …standards of reliability and performance. What you need to have + Active TS / SCI with Polygraph Required to support this mission-critical program. + Minimum ... Overview BigBear.ai is seeking a Test Engineer to play a pivotal role in the...a highly visible US Government program focused on advanced software development, integration, and testing. If you're passionate about… more
    BigBear.ai (11/20/25)
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  • Software Integration Engineer

    Leidos (Chantilly, VA)
    … issues, investigate root causes, and recommend fixes Preferred Qualifications: + Active TS SCI clearance with Polygraph + Active CompTIA Sec+ Certification + ... manage a client's integration with our services + Debug software issues, investigate root causes, and recommend fixes +...requirements gathering through usability sessions Core Qualifications: + Active TS / SCI clearance and ability to obtain a… more
    Leidos (11/27/25)
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  • Azure Infrastructure Engineer

    Koniag Government Services (Washington, DC)
    …cloud infrastructure solutions on the Microsoft Azure platform. This position requires an Active Top Secret with SCI eligibility clearance, supporting a DOJ ... Koniag Government Services company, is seeking an Azure Infrastructure Engineer with a TS / SCI security...part of a collaborative team **Clearance Required:** + Active Top Secret with SCI eligibility… more
    Koniag Government Services (12/10/25)
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