• Senior Cloud System Administrator

    ManTech (Hanover, MD)
    …start to obtain it + Proficiency in administering Linux operating systems . + Experience with Windows Server 2022 administration , including Active Directory ... and contracts of similar scope and complexity + Bachelor's degree in system engineering, Computer Science, Information Systems , Engineering Science, Engineering… more
    ManTech (09/10/25)
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  • Senior Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our intel team. The SA provides support ... for implementation, troubleshooting and maintenance of IT systems . Manages IT system infrastructure and any...or university is required. Five (5) years of additional system administration experience may be substituted for… more
    Belay Technologies (11/19/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (4521)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ** Senior ... area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system...other DOD INST 8570 compliant qualification + Knowledge of system administration principles, theories, and concepts +… more
    SMX (11/21/25)
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  • Systems Engineer Senior

    General Dynamics Information Technology (Macdill AFB, FL)
    …Family:** IT Infrastructure and Operations **Skills:** Active Directory (AD),Complex Systems ,Computer Servers, System Administration , Systems Engineering ... while you advance your career. Join GDIT as a Systems Engineer Senior and build an impactful...our customer. * Designs server and application architectures; performs administrative operation and maintenance functions of server hardware and… more
    General Dynamics Information Technology (10/21/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …security clearance. + Security+ DoD 8570 certification or higher. + System administration across Linux systems . + Experience in the Intelligence ... create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team at the...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based data … more
    RTX Corporation (11/15/25)
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  • Senior Principal Systems Engineer…

    RTX Corporation (Tewksbury, MA)
    …problems that create a safer, more secure world. Raytheon is seeking a ** Senior ** **Principal** ** Systems Security Engineer-P5** to join our elite Systems ... Intelligence agencies + Experience with IT and/or network and system security administration , including operating system...best practices for UNIX, MS Windows, Red Hat Enterprise Linux , and CISCO systems + Understanding of… more
    RTX Corporation (10/01/25)
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  • Senior Information System Security…

    RTX Corporation (Tewksbury, MA)
    …investigations, or Border Patrol + Project or program management, office management, senior administration , or account management **Qualifications We Prefer** + ... that create a safer, more secure world. Our cybersecurity team is seeking a ** Senior Information Systems Security Officer (ISSO)** to support our team **100%… more
    RTX Corporation (11/19/25)
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  • Senior Systems Administrator…

    Huntington Ingalls Industries (Hanover, MD)
    …our Minotaur team in Hanover, MD. The ideal candidate will have a strong background in system administration and be part of a small team of system ... + Keep up-to-date with new technologies and trends in system administration and provide recommendations for improving...and 10 years relevant experience. + Strong proficiency in Linux administration (eg Red Hat, CentOS, Ubuntu)… more
    Huntington Ingalls Industries (08/27/25)
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  • Senior Systems Administrator…

    SMX (Patuxent River, MD)
    Senior Systems Administrator (VMware) (4601)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ** ... system configurations, and other information related to system administration . + Provide technical support to...degree in a technical discipline + 10+ years of systems administration experience + 6-8 years of… more
    SMX (11/14/25)
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  • Mid/ Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …an accredited college or university is required. + Five (5) years of additional system administration experience may be substituted for a Bachelor's Degree. + ... The SA configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots,...VCenter/VMWare + AWS Experience + VPC, EC2, S3 + Linux and Windows operating systems + CentOS,… more
    Belay Technologies (11/19/25)
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