• Senior Autonomy Engineer

    Serco (Alexandria, VA)
    …To be successful in this role, you will have: + Active DoD Top Secret Clearance with SCI eligibility. + A Master's degree in engineering or ... **Position Type** _Full-Time_ ** Security Clearance ** _Other_ ** Clearance Details** _Active DoD Top Secret with SCI Eligibility_ **Telework** _No… more
    Serco (12/14/25)
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  • Specialist, Integration/Test Engineer Aircraft…

    L3Harris (Ashburn, VA)
    …lieu of a degree, a minimum of 8 years of prior related experience. + Top Secret or TS / SCI Clearance . + 4+ years' experience Working knowledge of ... by law. Please be aware many of our positions require the ability to obtain a security clearance . Security clearances may only be granted to US citizens. In… more
    L3Harris (12/03/25)
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  • Senior ProServe Account Executive, WWPS ProServe…

    Amazon (Sterling, VA)
    …that the candidate selected be a US Citizen and obtain and maintain an active TS / SCI security clearance with polygraph. Key job responsibilities As ... IT transformations at Fortune 100 companies - Current, active US Government Security Clearance of Top Secret or above Amazon is an equal opportunity… more
    Amazon (11/19/25)
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  • Bosnian/Croatian/Serbian Instructors

    Leidos (Chantilly, VA)
    …:** + **No clearance required to apply** . + **Able to obtain a TS / SCI clearance with polygraph** (must be fully adjudicated before work begins). Leidos ... only begin work on contract with a fully adjudicated security clearance . ​​ **Ready to Make an...the fiscal year ended January 3, 2025. For more information , visit www.Leidos.com . **Pay and Benefits** Pay and… more
    Leidos (10/28/25)
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  • Software Test Engineer

    Cinteot (Herndon, VA)
    …government security clearance , you must be a US Citizen for consideration. Clearance Level: TS / SCI with adjudicated CI Poly required prior to start. ... structures. Must be a US Citizen; this position will require obtaining a government security clearance . This position is located at a facility that requires… more
    Cinteot (11/06/25)
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  • Senior DevOps Engineer

    CACI International (Chantilly, VA)
    …Computer Engineering, Physics, Math, or equivalent experience + Active TOP SECRET security clearance with SCI eligbility + Willing to work onsite + ... Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI ...strategy + Provide multiple enclave support + Support cyber security scans, lockdowns, and vulnerability analysis + Provide and… more
    CACI International (11/07/25)
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  • Sr. Proposal Manager

    V2X (Reston, VA)
    …Requirements: + US citizenship required. + Top Secret security clearance required and the ability to obtain SCI or other SAP clearances. + Active ... security clearance is highly desired. + Ability to travel to...efficient use of proposal resources. + Global vision. Culturally sensitive . Ability to work with diverse cultures and teams.… more
    V2X (10/10/25)
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  • ICS Incident Response Analyst

    GrammaTech, Inc. (Arlington, VA)
    …obtain and maintain a favorably adjudicated DHS background investigation (EOD). **Preferred:** + Active Top Secret Security Clearance The base salary ... engineering services solving some of the world's most complex security problems. GrammaTech is looking for an Incident Response...be a US citizen with ability to obtain a TS SCI and must be willing to… more
    GrammaTech, Inc. (09/27/25)
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  • Access Control Specialist

    ManTech (Stafford, VA)
    …physical securityequipment ** Clearance Requirement:** + Must have an active / current TS / SCI security clearance **Physical Requirements:** + Must be ... field + Experience supporting US Government classified environments + Knowledge of Personnel Security (PERSEC) processes and security clearance management +… more
    ManTech (12/17/25)
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  • ISSE

    System One (Reston, VA)
    ISSE TS / SCI CI Poly required Reston, VA or Riverdale,...Qualifications: Required: * Active DOD Top Secret / SCI + CI Poly security clearance . ... - 100% ONSITE Compensation: $200,000/year Join our dynamic team as an Information System Security Engineer (ISSE) and make a direct impact on our customer's… more
    System One (12/18/25)
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