• Principal Windows Systems

    RTX Corporation (El Segundo, CA)
    …problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams to support ... IT infrastructure problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.… more
    RTX Corporation (11/18/25)
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  • GIS Systems Administrator - TSSCI

    Insight Global (Herndon, VA)
    Job Description We are seeking an experienced Esri System Administrator to support geospatial enterprise systems within a government/defense environment. This ... experience with Esri software stack. * Familiarity with ICD 503 and DoD cybersecurity standards (eg, DISA STIGs, RMF, ACAS). * Experience managing SSL certificates,… more
    Insight Global (10/16/25)
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  • Mid Level Linux Administrator

    Integration Innovation, Inc. (i3) (Huntsville, AL)
    Overview i3 is seeking a Mid-Level Linux Systems Administrator to support an Army Contract. The Mid-Level Linux Systems Administrator will provide ... security clearance. Responsibilities + Build, configure, and maintain standardized Linux Operating Systems (such as RHEL 9) in various technical use cases. + Build… more
    Integration Innovation, Inc. (i3) (10/28/25)
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  • Cybersecurity Engineer

    TekSynap (Richmond, VA)
    …project tasks focused on specialized Information Assurance (IA) and cybersecurity engineering. + Integrate electronic processes and methodologies to identify, ... planning, design, development, testing, demonstration, and integration of information systems . + Analyze threat intelligence and security event data collected… more
    TekSynap (10/23/25)
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  • Virtual Platform Administrator

    TekSynap (MA)
    …+ Create and maintain accurate system documentation for assigned systems , including tracking changes to virtualized infrastructure configurations. + Assist ... capacity planning, performance monitoring, and tuning for assigned virtualized systems . + Participate in virtualization disaster recovery planning, supporting fault… more
    TekSynap (11/15/25)
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  • Cyber Administrator

    CAE USA INC (Arlington, TX)
    …development, advancement and having fun! Summary We are seeking a mission-focused System Administrator to support IT operations and cybersecurity readiness in a ... will demonstrate proficiency in both Microsoft Windows and Linux systems administration, including hardening, deployment, configuration, maintenance, and patch… more
    CAE USA INC (12/24/25)
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  • Senior Database Administrator

    TekSynap (IA)
    …environments. + Project long-range database requirements in coordination with information systems managers and other stakeholders. + Design, create, implement, and ... languages (eg, SQL, PL/SQL). + Perform database programming and support systems design. + Maintain database dictionaries, monitor standards and procedures, manage… more
    TekSynap (11/15/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... of technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a **Physical...and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you… more
    M. C. Dean (10/23/25)
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  • Network Administrator SME

    KBR (Colorado Springs, CO)
    Title: Network Administrator SME KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the ... of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team… more
    KBR (12/12/25)
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  • Database Administrator SME

    KBR (Colorado Springs, CO)
    Title: Database Administrator SME KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the ... of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team… more
    KBR (12/10/25)
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