• Tenable Engineer

    CACI International (VA)
    …Solutions; Tenable preferred + Experience deploying, automating, and hardening Red Hat Linux Operating Systems + Experience supporting the Department of Defense ... US * * * **The Opportunity:** Join alongside an Information Technology (IT) Systems Engineering team supporting the Department of the Air Force (DAF) Enterprise… more
    CACI International (10/15/25)
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  • RedHat & AWS SRE

    M. C. Dean (Vienna, VA)
    …Operating Systems & Automation: Deep expertise in Red Hat Enterprise Linux (RHEL) systems engineering, including secure configuration, system hardening, and ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure,… more
    M. C. Dean (11/18/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    …the enterprise. Candidates must possess thorough understanding of Windows & Linux operating systems , cloud technology, contemporary networking, and cybersecurity ... market. We are seeking a motivated self-starter with experience in secure information systems to join a team of security professionals and help defend national… more
    Tau Six (10/22/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …computer system network administration activities. + Experience in Microsoft Windows computer operating systems , LINUX operating systems , CISCO Systems , ... in a business, technical or engineering field. + Certification in LINUX operating systems + Cisco Certified Network Associate (CCNA). + CompTIA, the Server… more
    SimIS Inc. (11/06/25)
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  • Staff Software Engineer, Mapping

    General Motors (Richmond, VA)
    …design, large-scale deployment strategies, or cloud-native architecture. + Proficiency with Linux systems , container orchestration (eg, Docker, Kubernetes), and ... Vehicle (AV) organization, we're combining cutting-edge research, robust engineering, and large-scale systems to make this future a reality. Our team is developing… more
    General Motors (10/30/25)
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  • Cyber Security Project Engineer TS/SCI Clearance…

    The Metamorphosis Group (Mclean, VA)
    …Information Systems Auditor (CISA) Optional Skills 1. Demonstrated experience and understanding of system administration for windows and Linux systems . ... support to lead the technical efforts needed to manage IT applications and systems through the Sponsor's IT Security Assessment and Authorization (A&A) process. The… more
    The Metamorphosis Group (09/10/25)
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  • Software Engineer

    Actalent (Fairfax, VA)
    …C++, and Python is essential, while experience with Object-Oriented Design and Linux operating systems is highly desirable. Responsibilities + Design, implement, ... the design and implementation of software for signals and data processing systems . This role requires a strong foundation in code design, implementation, testing,… more
    Actalent (11/15/25)
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  • Systems Engineer - Subject Matter Expert…

    Noblis (Chantilly, VA)
    …GovCloud, SC2S, C2S) implementation with security controls for classified workloads + Linux and Windows operating systems with security hardening for classified ... Responsibilities As a Systems Engineer SME, you will provide expert leadership...changes to network hardware, infrastructure server environments, and operating systems with special emphasis on Top Secret classification enclaves.… more
    Noblis (11/07/25)
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  • Site Reliability Engineer

    Nightwing (Sterling, VA)
    …Java, or JavaScript) is essential for automating tasks and developing tools. + Linux /Unix Systems Administration: Strong knowledge of Linux /Unix operating ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (09/26/25)
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  • Software Developer

    SAIC (Chantilly, VA)
    …software using OOP principles: preferred experience with Java and/or Python. + Linux systems administration and monitoring. + NoSQL databases, especially MongoDB ... during day to day operation. This is achieved through the development of software systems . This position is located in Chantilly, VA and requires an active TS/SCI… more
    SAIC (09/24/25)
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