• Principal Platform Engineer / Linux…

    RTX Corporation (Springfield, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of everything we do ... + Experience with networking administration: LAN and firewalls (Cisco preferred) + Current TS / SCI / CI Poly issued security clearance is required day 1.… more
    RTX Corporation (08/08/25)
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  • Senior Linux Engineer

    CACI International (Chantilly, VA)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in support of Enterprise...tools, and best practices. **Qualifications:** _Required:_ * An Active TS / SCI Clearance with Polygraph. * Security+ or… more
    CACI International (08/03/25)
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  • Software Engineer - SME

    KBR (Chantilly, VA)
    …junior engineers + Perform other duties as assigned Minimum Qualifications: + Active TS // SCI with CI Polygraph + Bachelor's degree in computer science, ... Title: Software Engineer - SME Belong. Connect. Grow. with KBR!...Neural Networks/Machine Learning Security Requirements: Must have an active TS - SCI with a current Polygraph Belong, Connect… more
    KBR (07/22/25)
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  • Software Engineer - Mid

    KBR (Chantilly, VA)
    …to customers + Perform other duties as assigned Minimum Qualifications: + Active TS // SCI with CI Polygraph + Bachelor's degree in computer science, engineering, ... Title: Software Engineer - Mid Belong. Connect. Grow. with KBR!...Neural Networks/Machine Learning Security Requirements: Must have an active TS - SCI with a current Polygraph Belong, Connect… more
    KBR (07/22/25)
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  • SATCOM Field Engineer

    CACI International (Herndon, VA)
    SATCOM Field Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... to support a satellite installation or O&M project. **Qualifications:** _Required:_ + **Active TS / SCI with Poly** + Minimum of 6 years of related experience… more
    CACI International (09/26/25)
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  • Principle Test Engineer

    Shuvel Digital (Dulles, VA)
    …Work Authorization: USC Clearance: Active Secret . Must be able to obtain TS / SCI and DHS suitability prior to starting employment. Education: BS Computer ... Science, Computer Engineering, Computer Information Systems , or Computer Systems ...Secret clearance. Must be able to obtain a TS / SCI clearance - Must be able to… more
    Shuvel Digital (09/25/25)
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  • Senior Offensive Cyber Engineer

    ManTech (Quantico, VA)
    …Requirements:** + Must Have an Active Secret with the ability to obtain Top Secret / SCI **Physical Requirements:** + This job largely operates in a ... MANTECH seeks a **Senior Offensive Cyber Engineer ** to perform analysis of cybersecurity packages using...Authority to Operate (ATO) while supporting the Marine Corps Systems Command (MCSC) in **Quantico, VA** . This position… more
    ManTech (08/01/25)
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  • Test and Integration Engineer

    Sciolex Corporation (Chantilly, VA)
    …of the testing and integration process. Qualifications & Physical Requirements + Active Top Secret / SCI Clearance with Polygraph. + Bachelors and nine ... that surpasses the epitome of excellence. Our core services include systems engineering technical advice, technical support, and administrative assistance. From our… more
    Sciolex Corporation (07/10/25)
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  • Senior Engineer for Joint Command…

    IronMountain Solutions, Inc. (Arlington, VA)
    …desired. + Active TOP SECRET clearance with eligibility for Sensitive Compartmentalized Information ( SCI ) and Special Access Programs (SAP). ... 501165 Senior Engineer for Joint Command and Control Work Location:...leading the planning and execution of complex engineering and systems analysis efforts for the DoD and/or IC. +… more
    IronMountain Solutions, Inc. (09/28/25)
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  • Quality Assurance Engineer

    Leidos (Lorton, VA)
    …(TPB) for the program as applicable. **Basic Qualifications:** + US Citizen with at least a Top Secret clearance and the ability to obtain a SCI prior to ... Division at Leidos is looking for a **Quality Assurance Engineer ** to support a fast-paced program with the Air...** will ensure the design, development, and deployment of systems , hardware, and components meet stringent quality standards as… more
    Leidos (09/17/25)
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