• Systems Administrator (TS/SCI)

    Koniag Government Services (Arlington, VA)
    …with system monitoring and management tools. + Relevant certifications (eg, VMware Certified Professional, Microsoft Certified Systems Administrator). ... availability, scalability, and reliability. + You'll install, configure, and maintain operating systems , software applications, and security patches across the… more
    Koniag Government Services (08/27/25)
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  • Cybersecurity Operational Technology (OT)…

    Chinook Systems (VA)
    …+ Certifications in MS Windows Server, Active Directory, Enterprise OS. + Certifications in Linux Operating Systems . Physical Considerations: + Must be ... Who is Chinook? Chinook Systems , Inc. is a leader in delivering lifecycle...Secret or higher Security Clearance. + IAT Level III Certification (CISSP). + Certifications in Cisco, Juniper,… more
    Chinook Systems (09/27/25)
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  • Junior NTCSS Automated Information Systems…

    CACI International (Norfolk, VA)
    … certification or achieve within six months of hire + Must complete Linux Operating System training or achieve within six months of hire _Desired:_ + Former ... Information Systems Analyst to provide Navy Tactical Command Support System (NTCSS) System Administration support services and training to COMNAVAIRLANT… more
    CACI International (07/19/25)
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  • Senior Linux - Windows System Administrator

    ICF (Reston, VA)
    …clearance** . **Key Responsibilities:** + Administer and support both Linux and Windows operating systems , ensuring optimal system performance and adherence ... onsite on a daily basis.** We are seeking a highly skilled, customer-facing Systems Administrator to support Linux and Windows environments for a critical Treasury… more
    ICF (10/02/25)
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  • Systems Engineer 5

    M. C. Dean (Vienna, VA)
    …/ Advantageous Qualifications and Experience** + Experience with Microsoft SCCM and Operating System Deployment (OSD). + Experience administering OCSP (eg Axway ... and document operational, functional, and technical requirements. + Perform systems engineering assessments (upgrades, system improvements, lifecycle refreshes,… more
    M. C. Dean (08/27/25)
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  • Network Management Systems (NMS) Linux…

    CACI International (Sterling, VA)
    …+ Experience with system monitoring tools + Strong knowledge of Linux operating systems (eg, Red Hat, CentOS, Ubuntu) + Experience with cloud platforms ... + Manage system updates, patches, and security configurations to ensure systems are up-to-date and secure. + Troubleshoot and resolve system issues,… more
    CACI International (07/26/25)
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  • Virtual Systems Engineer

    CACI International (Dahlgren, VA)
    …provisioning of virtualized systems . **Qualifications:** _Required:_ + Proficiency with Linux Operating Systems . + Provide start up and shut down support of ... KVM/QEMU, etc.). + Working knowledge of Cisco IOS and/or NX-OS network appliance operating systems . + Experience with Ansible, Terraform, and YAML data… more
    CACI International (09/30/25)
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  • Windows Systems / Packaging Engineer…

    General Dynamics Information Technology (Chantilly, VA)
    …**Skills:** Microsoft Deployment Toolkit (MDT),Microsoft Endpoint Configuration Manager,Windows Desktop Operating Systems **Experience:** 10 + years of related ... with proven depth creating solutions for Microsoft Windows desktop operating systems will be positioned for success...clients + Plans and directs upgrades of Windows desktop operating system version(s) and supporting infrastructure and… more
    General Dynamics Information Technology (08/08/25)
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  • Senior Financial Systems Analyst

    CoStar Realty Information, Inc. (Arlington, VA)
    …includes transactional and master record production integrations between operating systems , data conversions associated with system migrations and company ... and integration of business data associated with corporate acquisitions, systems consolidations, new system implementations and business process improvements… more
    CoStar Realty Information, Inc. (07/15/25)
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  • Senior Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …or Certifications : CompTIA Security+ ce; or GIAC Security Essentials Certification (GSEC); or Systems Security Certified Practioner (SSCP) Desired ... with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS/SCI clearance to support our… more
    V2X (08/07/25)
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