• Systems Engineer , Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Systems Engineer , Senior** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Arlington **Position ID:** J0925-0627 ... Type:** Full Time **Position Description:** *Government Security Clearance Required: TS / SCI required with the ability to obtain...acceptable. CGI Federal has an exciting opportunity for a Systems Engineer within our Intel sector advancing… more
    CGI Technologies and Solutions, Inc. (12/30/25)
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  • Modeling & Simulation Engineer (Specialist)

    KBR (Reston, VA)
    …Python, or other programming language + Active Top - Secret clearance with Sensitive Compartmented Information ( SCI ) eligibility Desired: + Master ... Title: Modeling & Simulation Engineer (Specialist) Belong. Connect. Grow. with KBR! KBR's...contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future… more
    KBR (10/24/25)
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  • Mid-Level Test Automation Engineer

    CACI International (Chantilly, VA)
    …3 years of hands-on professional experience specifically using the Playwright framework and an active Top Secret / SCI ( TS / SCI with Poly ) clearance.** ... Top Secret clearance with eligibility for SCI ( TS / SCI with POLY ).**...Relevant certifications, such as ISTQB Advanced Level Test Automation Engineer or ServiceNow Certified System Administrator (CSA).**… more
    CACI International (12/04/25)
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  • Cloud Network Engineer - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …have an **active US Government Top Secret Clearance with access to Sensitive Compartmented Information ( SCI ) based on a Single Scope Background ... **Overview** The Cloud Network Engineer supports the design, implementation, and operation of...network telemetry, analyze failures, and suggest improvements to monitoring systems . + Collaborate with internal teams and external partners… more
    Microsoft Corporation (01/01/26)
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  • Systems Test Engineer / Principal…

    Northrop Grumman (Chantilly, VA)
    …standards, theories, concepts, and techniques **Preferred Qualifications for both levels:** + Active Top Secret / SCI security clearance + Experience in cable ... Systems ** is seeking a candidate to fill a ** Systems Test Engineer / Principal Systems...+ Willing and able to obtain and maintain a TS / SCI Security Clearance (US citizenship is a… more
    Northrop Grumman (10/23/25)
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  • Systems Engineer

    Northrop Grumman (Chantilly, VA)
    …+ Experience with networking architecture **Preferred Qualifications for both levels:** + Active Top Secret / SCI security clearance + Experience in cable ... Systems ** is seeking a candidate to fill a ** Systems Engineer / Principal Systems ...start. Must be able to obtain and maintain a TS / SCI security clearance. + Strong interdisciplinary problem-solving… more
    Northrop Grumman (11/13/25)
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  • Software Engineer

    Guidehouse (Springfield, VA)
    …**:** Systems Engineering **Travel Required** **:** Up to 10% **Clearance Required** **:** Active Top Secret SCI ( TS / SCI ) **What You Will Do** ... Software testing, workforce training, and content management + Conduct system analyses and recommend technical or process changes; analyze...**:** + An ACTIVE and MAINTAINED TOP SECRET with SCI ( TS / SCI more
    Guidehouse (12/19/25)
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  • Principal Systems Engineer

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS / SCI clearance to support our government ... required to be onsite. The position requires an active Top Secret / SCI clearance and the...and maintain a Counterintelligence (CI) Polygraph. The Senior-level Principal Systems Engineer shall lead a diverse, multi-… more
    V2X (11/25/25)
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  • Intermediate AI Research Engineer

    The MITRE Corporation (Mclean, VA)
    …have or obtain, within one year from the date of hire, the following clearance(s): Top Secret / SCI Salary compensation range and midpoint: $121,600 - $152,000 ... with an ability and willingness to obtain maintain a TS / SCI Clearance with a CI poly. +...candidate to have a minimum of the following clearance(s): Top Secret This requisition requires the hired… more
    The MITRE Corporation (12/16/25)
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  • Sr. Staff Systems Engineer Program…

    Northrop Grumman (Dulles, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At Northrop Grumman, our employees have ... Northrop Grumman's Space Sector is seeking a Sr. Staff Systems Engineer to join our team in...**Basic Qualifications:** + Requires an active US Government DoD Top - Secret security clearance at time of application,… more
    Northrop Grumman (12/24/25)
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