• Software Engineer TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    …experience working with XHTML, HTML, XML, XSLT + Experience developing on Windows, and/or Linux operating systems + Must have a strong understanding of sound ... with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and… more
    Leidos (05/28/25)
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  • Software Tester

    V2X (Aberdeen, MD)
    …operational conditions and constraints Material & Equipment Directly Used: * Windows and Linux computer systems * Computer, phone, and basic office materials * ... and contributing to the overall review and validation of integrated systems in representative operational environments. Your efforts will directly support system… more
    V2X (05/13/25)
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  • Cyber Security Engineer

    Leidos (Bethesda, MD)
    …or similar tool + Strong in-depth understanding of including Microsoft Windows and Linux /UNIX operating systems + Experience with middleware / web technologies ... job will be to design, develop, and implement secure systems in on-premises infrastructure. You will leverage on your...and Government counterparts to perform the full spectrum of systems and cyber security engineering tasks to ensure our… more
    Leidos (07/11/25)
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  • Senior Cloud Developer - TS/SCI with Polygraph

    Stratus Solutions (Hanover, MD)
    …including scripting, development/test/QA tools, cloud, container, and orchestration tools, Linux and Windows operating systems , networking, security and ... time working directly with AWS services and the underlying operating systems themselves, to efficiently improve security automations, aid collaboration efforts with… more
    Stratus Solutions (06/09/25)
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  • Senior Systems Engineer

    CACI International (Annapolis Junction, MD)
    …+ Working with various technologies including telecommunications (TCP/IP, OIS/CMIP/X25), operating systems (Windows, UNIX, Linux ), databases (Oracle, MS Access, ... Senior Systems Engineer Job Category: Information Technology Time Type:...national security and defense. We focus on providing advanced systems engineering services that meet the most critical and… more
    CACI International (07/30/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    …and remains involved in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, ... and remains involved in the resolution process + Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads… more
    Synergy ECP (07/23/25)
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  • Senior Windows Server Systems Administrator

    Leidos (Bethesda, MD)
    …Azure cloud services and the cloud ecosystem. * Experience operating and maintaining systems in a Linux environment * Certification relating to Microsoft ... you can thrive, keep reading!** Leidos is seeking a Senior Windows Server Systems Administrator to support the National Media Exploitation Center (NMEC). This role… more
    Leidos (07/24/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …compliance with required security standards for IT personnel. + Proficiency in Linux or Windows operating systems , indicating hands-on experience with server ... consistent maintenance, configuration, and reliable operation of critical computer systems , network servers, and virtualization environments, upholding system stability… more
    ManTech (06/07/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    …resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance OS ... systems administration or IT operations. + Experience with Linux , including installation, configuration, troubleshooting, and maintenance. **Security Clearance… more
    ManTech (07/15/25)
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  • 271 - Senior Network Engineer

    ARSIEM (Annapolis Junction, MD)
    …of virtualized infrastructure, including multi-node and multi-site networks + Recent experience with Linux and Windows operating systems (command line a must) + ... you work with. ARSIEM is looking for a Network Systems Engineer . This position will support one of...+ Use Network Engineering, System Administrator, and command line Linux skills to maintain a full and robust multi-server… more
    ARSIEM (05/15/25)
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