• Senior SETA Engineer SME

    IronMountain Solutions, Inc. (Falls Church, VA)
    …Operations. + Demonstration and Experimentation. Clearance Requirements: Must have anActive Top Secret Security Clearance with SCI and SAP Experienceis ... 501180 Senior SETA Engineer SME Work Location:...of information warfare across computers, servers, mobile devices, electronic systems , networks, and data. Evaluate the electromagnetic and digital… more
    IronMountain Solutions, Inc. (07/22/25)
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  • Senior Software Engineer /AFSIM…

    KBR (Reston, VA)
    Title: Senior Software Engineer /AFSIM Modeler Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... of space defense. Key Responsibilities: KBR is seeking a Senior Software Engineer /AFSIM Modeler to join a...in C++, Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information (SCI)… more
    KBR (07/01/25)
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  • Network Engineer 3

    M. C. Dean (Chantilly, VA)
    …meet eligibility requirements, including US Citizenship, for access to classified information; **ACTIVE TOP SECRET Clearance with the ability to obtain a TS ... seeking a **Network Engineer 3** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will be… more
    M. C. Dean (07/15/25)
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  • Senior Developer

    Koniag Government Services (Vienna, VA)
    …and our government customer in Vienna, VA. **This position requires an active Top - Secret security clearance with SCI Poly. This opportunity is offering a ... Senior Developer Vienna, VA 22180, USA Req #148...for new or existing IT application software on Unclassified, Secret and Top - Secret enclaves. Development… more
    Koniag Government Services (07/12/25)
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  • Senior Engineer for Joint Command…

    IronMountain Solutions, Inc. (Arlington, VA)
    501165 Senior Engineer for Joint Command and Control Work Location: Arlington, Virginia Schedule: Full Time Relocation: Negotiable IronMountain Solutions, Inc. ... is seeking aSenior Engineer for Joint Command and Control.Potential to Telecommute: Work...Staff, and/or Service Staff experience is desired. + Active TOP SECRET clearance with eligibility for Sensitive… more
    IronMountain Solutions, Inc. (06/29/25)
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  • Civil/Industrial Engineer - Senior

    SOS International LLC (Reston, VA)
    …degree with at least a portion of the experience within the last 2 years. Active DoD Top Secret Clearance with SCI and must be able to obtain CI Poly. Proficient ... Overview SOSi is seeking a Senior level Civil/Industrial Engineer (Scientific Support)...development, acquisition, test, evaluation and production of foreign weapon systems and equipment; their associated facilities and output levels,… more
    SOS International LLC (07/18/25)
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  • Senior Frontend Software Engineer

    General Atomics (Chantilly, VA)
    …+ Security Clearance: US citizenship with the ability to obtain and maintain a Top Secret security clearance with SCI eligibility and willingness to undergo a ... visualize, analyze, and understand complex environments across land, sea, and air. As a Senior Frontend Software Engineer , you will play a pivotal role in… more
    General Atomics (05/31/25)
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  • Senior Information System Security…

    ManTech (Quantico, VA)
    …or other cyber discipline. **Clearance Requirements:** + Must have a current/active Top Secret security clearance with SCI eligibility. + Applicant may ... **MANTECH** seek a motivated, career and customer-oriented ** Senior Information System Security Engineer ** to join our team **Quantico, VA.** **Responsibilities… more
    ManTech (07/16/25)
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  • Senior Information Assurance…

    GovCIO (Richmond, VA)
    …documenting, and remediating cyber security vulnerabilities + Clearance required: An active Top Secret clearance with ability to maintain a SCI clearance ... **Overview** GovCIO is currently hiring for a Senior Information Assurance Engineer to support...+ Lead efforts to Update security documentation for BIES systems needed to obtain and maintain Authority to Operate… more
    GovCIO (07/10/25)
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  • Senior Information System Security…

    ManTech (Chantilly, VA)
    …other cyber discipline. **Security Clearance Requirements:** + Must have a current/active Top Secret security clearance with eligibility to obtain SCI. ... ManTech is seeking a motivated, career and customer-oriented ** Senior Information System Security Engineer (ISSE)** to join our team **in Chantilly, VA.**… more
    ManTech (07/03/25)
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