• HVAC Mechanic Specialist

    Amentum (Mclean, VA)
    …split and packaged unit style systems. **Must be able to obtain and maintain a Top Secret /SCI US Government security . Note: US citizenship is required to ... obtain a Top Secret /SCI security clearance.** **Essential...or equivalent required. + Must possess Class I stationery engineer License, DC 3rd steam boiler engineer more
    Amentum (01/15/26)
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  • Cyber Security Engineer

    Cinteot (Herndon, VA)
    Cyber Security Engineer (location: Herndon, VA) + TS /SCI with adjudicated CI poly required prior to start + Must have DoD 8570/8140 approved certification ... sustainment. * Secure Configuration/Hardening of Department of Defense (DoD) information systems. * Security Information ...Department of Defense (DoD) information systems. * Security Information and Event Management (SIEM) and… more
    Cinteot (01/06/26)
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  • Engineer VI

    General Atomics (Herndon, VA)
    …required. + US Citizenship is required as is the ability to maintain a Top Secret Security Clearance. **US Citizenship Required?:** Yes **Experience Level:** ... worldwide. We have an exciting opportunity for an Electrical Engineer to join our CSS group located in Herndon,...in Herndon, VA. The CSS group provides innovative, cutting-edge, security solutions for the United States Government. Our employees… more
    General Atomics (12/11/25)
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  • Senior ServiceNow ITOM Engineer

    CACI International (VA)
    …+ Axonius Platform experience + Asset Management experience + An active DoD Top Secret or higher clearance + JavaScript/AngularJS development experience. + ... Senior ServiceNow ITOM Engineer Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (11/20/25)
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  • O&M Network Engineer (Technical Specialist…

    M. C. Dean (Springfield, VA)
    …may meet eligibility requirements, including US Citizenship, for access to classified information ; ** Top Secret with SCI eligibility required** **Position ... With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT… more
    M. C. Dean (12/27/25)
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  • Lead Software Engineer

    TheIncLab (Mclean, VA)
    …Citizen and willing and eligible to obtain a US Security Clearance at the Secret or Top - Secret level. Benefits Working at TheIncLab TheIncLab was founded ... key member of the R&D Team, the Lead Software Engineer will guide small teams through complex engineering projects,...challenges Requirements + Bachelor's degree in Engineering, Computer Science, Information Systems, or related field + 5+ years of… more
    TheIncLab (12/26/25)
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  • NCIS Senior Network Engineer

    Arena Technical Resources, LLC (Quantico, VA)
    …Job Location: Quantico, Virginia (Hybrid onsite 3 days/2 days remote) Eligibility/Clearance: Top Secret Clearancerequired. This position supports a government ... NCIS Senior Network Engineer Location: Quantico, VA, US Job ID: ATR...experience required in lieu of degree - Required Certifications:CompTIA Security + CE, CCNP Preferred, but CCNAacceptable ATR is an… more
    Arena Technical Resources, LLC (12/05/25)
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  • Senior Systems Engineer

    Leidos (Alexandria, VA)
    …VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. **Primary ... **Description** Leidos National Security Sector combines technology-enabled services and mission software...currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate will… more
    Leidos (11/22/25)
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  • Mid-Level Systems Engineer

    Leidos (Chantilly, VA)
    …VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. **Primary ... **Description** Leidos National Security Sector combines technology-enabled services and mission software...Solutions Business Area, is currently seeking a Mid-Level Systems Engineer for the Chinook Program. As part of a… more
    Leidos (11/22/25)
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  • Senior SETA Engineer SME

    IronMountain Solutions, Inc. (Falls Church, VA)
    Information Operations. + Demonstration and Experimentation. Clearance Requirements: Must have anActive Top Secret Security Clearance with SCI and SAP ... 501180 Senior SETA Engineer SME Work Location: Falls Church, Virginia Schedule:...objectives and its ability to acquire, fuse, and disseminate information . Assess various ISR payloads to evaluate performance to… more
    IronMountain Solutions, Inc. (01/20/26)
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