• Specialist, Systems Engineering

    L3Harris (Ashburn, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Specialist, Systems Engineering Job Code: 30531 Job Location: ... feedback to identify areas of improvement and implement + System design synthesis of complex electronic systems ...various environments. + Ability to obtain and maintain DoD security clearances as required. + Ability to lift to… more
    L3Harris (10/29/25)
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  • Systems Engineer, Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …for system design, configuration, and troubleshooting procedures. . Security Implementation: Ensuring systems are protected from unauthorized access ... components, to meet organizational needs. They analyze user requirements, develop system architectures, and ensure systems are functioning optimally. Their… more
    CGI Technologies and Solutions, Inc. (10/21/25)
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  • Senior Systems Engineer (MBSE) (Onsite)

    RTX Corporation (Dulles, VA)
    …traceability of requirements to technical solutions. This role involves developing and maintaining system models using tools such as Cameo Systems Modeler, as ... Cameo Systems /Architecture Modeler to create, analyze, and maintain detailed system models, utilizing SysML, UML, and other relevant modeling languages to… more
    RTX Corporation (10/13/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …installing and configuring systems , managing user accounts, monitoring system health, implementing security protocols, performing backups and recovery, ... and manage user accounts, groups, and permissions, ensuring access control and security protocols are followed. * System Monitoring: Continuously monitor server… more
    CGI Technologies and Solutions, Inc. (12/31/25)
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  • Senior Systems Administrator

    TekSynap (VA)
    Security Essentials Certification (GSEC) + Certified Network Defender (CND) + Systems Security Certified Practitioner (SSCP) + One of the following Google ... + Ensures the stable operation of the in-house computer software systems and network connections. This includes planning, developing, installing, configuring,… more
    TekSynap (11/15/25)
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  • Sr. System Development Engineer, AWS Cross…

    Amazon (Herndon, VA)
    Description The AWS Cross Domain Services team is seeking a Systems Development Engineer who is passionate about operational excellence. This engineer will help to ... scale the services that connect AWS regions of differing security requirements. An Amazon Dedicated Cloud (ADC) is a...building some of the largest and most complex distributed systems in the world and the AWS Cross Domain… more
    Amazon (10/15/25)
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  • Network Infrastructure/ System

    CACI International (Mclean, VA)
    Network Infrastructure/ System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... Local * * * **The Opportunity:** CACI is looking for a Network Infrastructure/ System Administrator to join the Luke Team! You will support the customer's data… more
    CACI International (12/17/25)
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  • Sr Associate, Systems Integration…

    L3Harris (Ashburn, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr Associate, Systems Integration Engineering Job Code: 31864 Job ... Location: Ashburn, VA Job Description: As the Sr Associate, Systems Integration Engineer, you will be responsible for executing hardware and software integration and… more
    L3Harris (12/06/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …application of the Defense Information Systems Agency (DISA) Security Technical Implementation Guides. + Operating System /Computing Environment certificate ... of security professionals and help defend national security systems . Tau Six, an agile small... security relevant applications. + Experience as a System Administrator, Information System Security more
    Tau Six (10/22/25)
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  • Data Center System Administrator

    Leidos (Charlottesville, VA)
    …fire suppression, security and safety. + Experience with Tier 2 system administration. + Experience troubleshooting issues in a growing environment. + Time ... - IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security + CE, GSEC, or higher) **Education** + Candidate must have a BS with… more
    Leidos (12/18/25)
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