• Senior / Principal Windows System

    SciTec (Boulder, CO)
    …requirements will not be considered. SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team ... security policies and procedures to protect Windows systems and data. + Monitor system performance...5+ years professional experience performing duties of a Windows system administrator + Strong knowledge of Microsoft… more
    SciTec (11/19/25)
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  • Windows System Administrator

    Link Solutions Inc (White Sands Missile Range, NM)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator ( Senior -Level) to join our team at White Sands ... Install and configure operating systems and software updates following Security Technical Implementation Guides (STIGs). + Perform system patching,… more
    Link Solutions Inc (10/08/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    Security (IDT&S) organization Specialized Infrastructure Operations group is currently seeking a ** Senior Systems Administrator ** to join the team in ... meaningful contributions, from the seabed to outer space. The Senior System Administrator will handle... System Administrator will handle system administration tasks, including infrastructure management, information security more
    The Boeing Company (12/25/25)
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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 ... ** Systems Administrator ** with demonstrated experience to maintain...applications to current DoD guidance + Maintain configuration and security posture of information systems through continuous… more
    SMX (11/14/25)
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  • Senior Cloud System

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career- and customer-oriented **Sr** **Cloud System Administrator ** to join our team in **Hanover, MD.** Our team delivers enterprise ... S3, VPC, IAM, and other core services + Monitor system performance, availability, and security , responding to...**Minimum Qualifications:** + 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs… more
    ManTech (12/10/25)
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  • Senior Systems Administrator

    EPS Corporation (Dahlgren, VA)
    Senior Systems Administrator (Unix/Linux) -...software systems . + Hands-on experience in: + System backup and recovery + Software and security ... Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Administrator (Unix/Linux) Location Dahlgren, VA 22448 US (Primary) Job… more
    EPS Corporation (11/13/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …the nation meet its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based data system supporting ... create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team... Security + DoD 8570 certification or higher. + System administration experience across Linux systems . +… more
    RTX Corporation (12/14/25)
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  • MAC System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a MAC System Administrator ( Senior -Level) to join our team at Aberdeen Proving ... Clearance. + Non-remote (relocation incentive available) The MAC System Administrator will be responsible for maintaining macOS systems , managing updates,… more
    Link Solutions Inc (10/16/25)
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  • Senior Systems Administrator

    CareFirst (Baltimore, MD)
    **Resp & Qualifications** **PURPOSE:** The Senior Systems Administrator is responsible for assisting with the development and maintenance of unique software ... leveraging the system 's platform. Additionally, the Sr. Systems Administrator is responsible for data reporting,...role. **Knowledge, Skills and Abilities (KSAs)** + Knowledge of system security and data backup/recovery. + Excellent… more
    CareFirst (11/19/25)
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  • Senior System Administrator

    SimIS Inc. (Dahlgren, VA)
    …team), and importance of others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to ... in one or more of the following disciplines: combat systems design/engineering, combat system computer program development,...Microsoft Windows computer operating systems , LINUX operating systems , CISCO Systems , computer security more
    SimIS Inc. (11/06/25)
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