• Solution Train Engineer

    SAIC (Chantilly, VA)
    …years or more experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret /SCI clearance with Polygraph. + Proven experience with ... **Description** SAIC is seeking a **Solution Train Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program,… more
    SAIC (11/06/25)
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  • Modeling & Simulation Engineer (Specialist)

    KBR (Reston, VA)
    …case-by-case basis + Proficiency in C++, Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information (SCI) ... Title: Modeling & Simulation Engineer (Specialist) Belong. Connect. Grow. with KBR! KBR's...or supporting decisions under uncertainty. + Support M&S and software development efforts. + Collaborate with military subject matter… more
    KBR (10/24/25)
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  • System Development Engineer , STRADA…

    Amazon (Herndon, VA)
    …programming with at least one software programming language - Current, active US Government Security Clearance of TS /SCI with Polygraph Preferred ... want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security...US Citizen and must currently possess and maintain an active TS /SCI security clearance with polygraph. Key… more
    Amazon (12/05/25)
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  • System Development Engineer II, DBS…

    Amazon (Herndon, VA)
    …requires that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires ... Description System Development Engineer The Amazon Web Services team is innovating...scaling) of new and existing systems experience - Current, active US Government Security Clearance of TS /SCI… more
    Amazon (11/07/25)
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  • Cyber Reverse Engineer

    CACI International (Sterling, VA)
    …certification courses to grow your career.** **Responsibilities:** **Analyze and reverse engineer software binaries and embedded firmware on traditional and ... Cyber Reverse Engineer Job Category: Engineering Time Type: Full time...in writing the findings of your analysis.** **Qualifications:** **_Required:_** ** Active TS /SCI clearance** **Bachelor of Science degree… more
    CACI International (12/24/25)
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  • System Development Engineer , Platform…

    Amazon (Arlington, VA)
    …requires that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires ... Dedicated Cloud team is hiring for a System Development Engineer to support CloudTrail, AWS Config and other AWS...such as Java, Python, Golang, PowerShell, Ruby - Current, active US Government Security Clearance of TS /SCI… more
    Amazon (12/17/25)
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  • ADC Engineer , Platform Engineering…

    Amazon (Arlington, VA)
    …requires that the candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires ... Amazon Dedicated Cloud team is hiring for an ADC Engineer to support CloudTrail, AWS Config and other AWS...and identify the root cause of issues. - Current, active US Government Security Clearance of TS /SCI… more
    Amazon (12/17/25)
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  • AWS Systems Engineer and Mission…

    Leidos (Chantilly, VA)
    …prior relevant experience; OR 4 additional years of experience in lieu of degree. + Active Top Secret Security Clearance with ability to obtain SCI ... skilled and versatile professional to serve as both an AWS Systems Engineer and Mission Owner/Project Manager. This dual-role position involves systems engineering… more
    Leidos (01/03/26)
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  • Associate Systems Engineer

    The MITRE Corporation (Mclean, VA)
    …or obtain, within one year from the date of hire, the following clearance(s): Top Secret /SCI Salary compensation range and midpoint: $77,600 - $97,000 - $116,400 ... domains. Job Description: This is an opportunity for an Associate Systems Engineer with an interest in advancing and applying innovative systems engineering… more
    The MITRE Corporation (01/02/26)
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  • Senior Information System Security Engineer

    ManTech (Chantilly, VA)
    …cyber discipline. **Clearance Requirements:** + Must be a US citizen and have a current/ active Top Secret security clearance with SCI eligibility. + ... seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico, Chantilly, Huntsville,… more
    ManTech (01/01/26)
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