• Senior Systems Administrator (Unix/Linux)

    TekSynap (Dahlgren, VA)
    …components in a secure DoD environment. + Manage andmonitorsystem performance , availability, and capacity , ensuringoptimaluptime for mission-critical systems. ... sustainment of critical Navy IT infrastructure systems, ensuring maximum performance , reliability, and compliance with cybersecurity requirements. **RESPONSIBILITIES** +… more
    TekSynap (10/31/25)
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  • Senior Systems Administrator

    The Boeing Company (Herndon, VA)
    …providing system support with modern tools, and overseeing the design and performance of computing systems for effective capacity planning and disaster ... information to meet security requirements + Oversees activities to monitor system performance to support capacity planning, backup and disaster recovery planning… more
    The Boeing Company (12/25/25)
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  • Data and Application Platform Manager

    ManTech (Herndon, VA)
    … feedback to ensure a high-performing technical team. + Ensure database performance , availability, and capacity meet defined service levels and comply ... accelerate the deployment of approved changes and updates, optimize database performance , and drive automation to reduce operational downtime. The ideal candidate… more
    ManTech (12/24/25)
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  • Cleared Network Engineer

    Virtual Service Operations (Lorton, VA)
    …specifically in an Azure networking environment. + Conduct regular network performance analysis and capacity planning to anticipate future requirements ... LAN/WAN infrastructure, including Azure networking components, to ensure optimal network performance and reliability. + Resolve complex network issues escalated from… more
    Virtual Service Operations (12/07/25)
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  • Infra. Technology Specialist (Exadata DMA) Remote

    Cognizant (Richmond, VA)
    …+ Develop and maintain documentation for system configurations and procedures. + Conduct performance tuning and capacity planning to support business growth. + ... the implementation and management of Oracle Cloud Infrastructure to ensure optimal performance and reliability. + Provide expertise in Oracle Autonomous DB Cloud to… more
    Cognizant (01/07/26)
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  • System Reliability Engineer

    CACI International (Norfolk, VA)
    …for deployment, scaling, and management of NMMES systems + Monitor system performance , availability, and capacity , and proactively address potential issues + ... Solution (NMMES) + Play a crucial role in ensuring the reliability, performance , and scalability of IT systems supporting naval ship and submarine maintenance… more
    CACI International (01/06/26)
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  • Systems Administrator III

    Noblis (Chantilly, VA)
    …troubleshooting and problem resolution + System automation and orchestration + Performance optimization techniques + Capacity planning and resource management ... and procedures + Monitor and tune systems to achieve optimum performance levels + Ensure workstation/server data integrity by implementing appropriate software… more
    Noblis (12/30/25)
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  • Cloud Engineer

    Oracle (Reston, VA)
    …to apply critical thinking to solve complex challenges. + Experience in capacity management, traffic engineering, and performance optimization including network ... and cloud connectivity for our customers, you will deliver and optimize high- performance , scalable on-premises systems and cloud networking solutions as well as… more
    Oracle (11/26/25)
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  • Senior Systems Engineer Tier III

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    …automation tools to streamline system administration tasks. + Perform regular system performance tuning and capacity planning to ensure optimal performance ... . + Oversee and support system backups, disaster recovery, and business continuity procedures. + Coordinate system upgrades, patches, and maintenance to minimize downtime and risk. + Collaborate with network engineers, developers, and other teams to… more
    UIC Government Services and the Bowhead Family of Companies (01/09/26)
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  • Systems Administrator

    Aston Carter (Dulles, VA)
    …application, workstation, and related equipment issues at the Tier 3 level. + Manage capacity , storage planning, and database performance . Required Skills + 5 to ... Replace and upgrade defective or outdated components as necessary. + Monitor system performance to ensure smooth and secure operations. + Research and recommend new… more
    Aston Carter (01/09/26)
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