• Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    …and may meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ POLY REQUIRED** **Education:** + 9+ ... engineers, and developers in the identification and implementation of appropriate information security functionality to ensure uniform application of … more
    M. C. Dean (11/28/25)
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  • Senior .NET/C# Software Developer

    Amentum (Arlington, VA)
    …and debugging applications in test and production environments. **Clearance Required:** * TS / SCI clearance with SBI and ability to attain SI, TK, G, HCS, ... in using your skills to help shape the Cyber, Security , & Intel space? If so, look no further....will be part of a team that provides comprehensive automation/ information technology support to the Data Capabilities Division (DCD)… more
    Amentum (01/06/26)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …: Must have an active Secret clearance and be able to obtain a TS / SCI clearance. Must be able to obtain DHS Suitability. Candidate Referral : Do you ... Hat Enterprise Linux (RHEL) experience to design, implement, and test cloud-based infrastructure and services, with a focus on...Ansible, Terraform, or Red Hat Satellite + Collaborate with security teams to ensure compliance with security more
    ARSIEM (11/12/25)
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  • Database Administrator

    Lockheed Martin (Herndon, VA)
    …Database Configuration Management tools such as Subversion or other types **Clearance Level:** TS / SCI w/Poly SP **Other Important Information You Should ... Setup and Maintenance of PostgreSQL **Desired Skills:** * Demonstrated understanding of Information Security \(INFOSEC\) and Information Assurance \(IA\)… more
    Lockheed Martin (01/16/26)
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  • Network Engineer

    Nightwing (Herndon, VA)
    …required. + CONUS TDY Required: Yes, up to 10% CONUS travel, as required. **_Must have TS / SCI security clearance with Poly on day one of employment and must ... requirements, designs and orders. Understands how the overarching INFOSEC and COMSEC security requirements for the Customer network add to the complexity of this… more
    Nightwing (12/23/25)
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  • Acquisition Program Manager - Full Performance

    National Reconnaissance Office (NRO) (Chantilly, VA)
    …NRO + US Citizenship is required + You must be able to obtain and maintain a TS / SCI security clearance + You will be subject to pre-employment and periodic ... and procurement contracts for reconnaissance satellite systems to ensure the safety and security of the United States interest you? Does a career with an "out… more
    National Reconnaissance Office (NRO) (11/27/25)
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  • Software Engineer 3

    Synergy ECP (Columbia, MD)
    …with test harness software such as Junit or FIT CLEARANCE REQUIRED + TS / SCI w/ Polygraph Desired Qualifications: + Familiarity with SIGINT security rules ... of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part… more
    Synergy ECP (10/28/25)
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  • Design Engineer 5

    M. C. Dean (Vienna, VA)
    …may meet eligibility requirements, including US Citizenship, for access to classified information ; **ACTIVE TS / SCI w/ Poly clearance REQUIRED.** ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (12/30/25)
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  • Penetration Tester 3 with Poly

    Amentum (Columbia, MD)
    …Systems Engineering, Mathematics, Computer Forensics, Cybersecurity, Information Technology, Information Assurance, Information Security , and ... tools + Research and evaluate emerging technologies relevant to information systems security ; interpret agency specific and...years of experience. + US Citizen with an active TS / SCI and polygraph. \#javelin Pay Transparency Verbiage… more
    Amentum (12/21/25)
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  • Systems Engineer

    KBR (Springfield, VA)
    … sciences, geographic information systems, geomatics, or related fields. Security Clearance Requirements: Active TS / SCI (with poly preferred) ... Title: Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to… more
    KBR (12/11/25)
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