• Unified Communications Engineer - Principal

    Amentum (Warrenton, VA)
    …program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN- TS ES) which is a ... no further. Amentum is seeking a Principal Unified Communications Engineer to join our team of passionate individuals in...a dynamic environment **Clearance Required:** * Must have active Top - Secret clearance with SCI or TS more
    Amentum (12/11/25)
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  • Senior Full Stack Developer

    Leidos (Arlington, VA)
    **Description** Leidos is seeking a talented Senior Full Stack Software Engineer to join our team to support our customer. The incumbent will support the ... via metrics and KPIs + Perform integration activities to connect with 3rd party software APIs + Design, implement, and maintain efficient and reusable Python code an… more
    Leidos (01/13/26)
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  • Senior Facilities Engineer

    The Boeing Company (Chantilly, VA)
    …Security Clearance for which the US Government requires US Citizenship. A final Top Secret /Sensitive Compartmented Information ( TS /SCI) US Security Clearance ... Boeing Global Services (BGS) is looking for a **Facilities Engineer ** to join our team in **Alice Springs, Australia**...of Facility O&M teams + Ability to obtain a Top Secret / SCI with Counterintelligence (CI) or… more
    The Boeing Company (01/12/26)
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  • Sr . Delivery Consultant - Cloud…

    Amazon (Herndon, VA)
    …that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires the candidate to ... with distributed applications or equivalent education experience - 5+ years of software development tools and methodologies - Current, active US Government Security… more
    Amazon (11/07/25)
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  • Senior MBSE Systems Engineer

    CACI International (Sterling, VA)
    Senior MBSE Systems Engineer Job Category:...Science, Engineering Management, or a related field. + Current Top Secret ( TS ) clearance with ... Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of...* **The Opportunity:** Join CACI as a Model-Based Systems Engineer (MBSE) and contribute to a dynamic counter-unmanned aircraft… more
    CACI International (11/18/25)
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  • Sr . Solution Architect

    Leidos (Chantilly, VA)
    **Description** Leidos has an immediate opening for a Senior Solution Architect to join our Mission Solutions team in Chantilly, VA. We are seeking a Senior ... Analytics, Modeling & Simulation, and other emerging technical arenas. As a senior technical leader, you bring years of experience architecting complex systems,… more
    Leidos (12/13/25)
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  • Senior Frontend Developer

    CACI International (Chantilly, VA)
    …Required: None Type of Travel: None * * * **The Opportunity:** CACI is seeking a senior lead frontend software engineer to join the PGMM team-a program ... Senior Frontend Developer Job Category: Engineering Time Type:...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (12/03/25)
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  • Senior Desktop Engineer SCCM

    SAIC (Quantico, VA)
    …Configuration Manager). + IAT-II certification (ie Security +). + US Citizen and Active Top Secret clearance with SCI eligibility. REQNUMBER: 2511887 SAIC is a ... **Description** **SAIC is seeking a Sr . Desktop Engineer (SCCM) for a...Combatant Commands Business Group of SAIC is seeking a Senior Desktop Engineer (SCCM) to support a… more
    SAIC (12/03/25)
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  • Senior Network Engineer Data Center…

    ManTech (Charlottesville, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Network Engineer Data Center Manager** to join our team supporting our customer in the ... not limited to:** + Serves as a Data Center Manager/ Sr . Network Engineer at customer's Primary Data...refresh, and maintaining all IT hardware to support customer's Top - Secret Network. + Provides resolutions to out… more
    ManTech (12/31/25)
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  • Digital Signal Processing Engineer

    Parsons Corporation (Chantilly, VA)
    …challenges + An active polygraph is preferred **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ ... **Job Description:** Parsons Company, is seeking qualified candidates to fill a Sr . Digital Signal Processing Engineer (DSP) positions at our headquarters… more
    Parsons Corporation (10/21/25)
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