• Entry Level or Mid Level System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …positions require on-call rotation support. Candidates should have the following qualifications: + TS /SCI with polygraph is required. + 5 years no degree for Entry ... ITS Teams: Candidate has to have basic to strong Linux skills depending on years of experience and LCAT...they are submitted for. Responsibilities include command line system administration as well as application and data/messaging flow … more
    Belay Technologies (10/10/25)
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  • Infrastructure Engineer

    CACI International (Laurel, MD)
    …**Job Description:** Responsible for resolving IT hardware and software infrastructure ( Linux servers, network, security, etc.) issues using systems analysis ... user systems , servers, storage and network connectivity. Provides system administration for assigned infrastructure and establishes and maintains security as it… more
    CACI International (11/08/25)
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  • SAP Hana Database Administrator

    BigBear.ai (Annapolis Junction, MD)
    …+ SAP Certified Technology Associate SAP HANA (preferred). + Knowledge of Linux /Windows server administration . + Familiarity with BI, data warehousing, and ... to join our team and take ownership of mission-critical systems that power enterprise operations. In this role, you'll...to long-term strategic growth. The role requires an Active TS /SCI w/ Poly clearance. What you will do Database… more
    BigBear.ai (11/20/25)
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  • Software Integration Engineer 3

    Synergy ECP (Fort Meade, MD)
    …for the full software stack. . Update software for sustainment support. . Basic Linux system administration skills and shell scripting. . Execute test codes for ... ECP is a leading provider of cybersecurity, software and systems engineering and IT services to the US intelligence...veteran status, or any other protected class. Clearance Required: TS /SCI w/ Polygraph Software Integration Engineer Level 3 LCAT… more
    Synergy ECP (10/28/25)
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  • System and Network Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …can't wait. You Have: + 10+ years of experience with network or system administration + Experience with Linux , including maintaining RHEL, Rocky or Ubuntu + ... and increase security, reliability, and availability for mission-critical network systems . You'll apply your expertise in routing and switching, integration… more
    BOOZ, ALLEN & HAMILTON, INC. (12/22/25)
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  • Network Security Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Riverdale, MD)
    …and optimizing Palo Alto Firewalls directly and via Panorama + Experience with Linux OS administration and management + Knowledge of building and maintaining ... infrastructure and fortify our nation's digital defenses? As a systems security and next-generation firewall engineer, you will be..., WAN, and LAN in virtualized architectures + Active TS /SCI clearance; willingness to take a polygraph exam +… more
    BOOZ, ALLEN & HAMILTON, INC. (12/19/25)
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  • Sr. Network Engineer

    Themis Insight (Fort Meade, MD)
    …+ Cisco routers, switches, and firewalls. + Proficient with Linux and Windows. Linux and/or Windows system administration experience is a plus. + CCNA or ... to change based on central MD client's needs. Required: TS /SCI with a Polygraph Provides assistance in all aspects...associated with the research and development of technologies and systems . + Ensures that all material received is inspected… more
    Themis Insight (12/19/25)
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  • System Engineer

    Synergy ECP (Annapolis Junction, MD)
    …of system components. You will provide support in the areas of systems administration , troubleshooting, loading of software packages and network configuration. ... Linux operating system, to include use of the command-line. + LINUX or UNIX and/or Network administration /maintenance experience. + Experience with modern… more
    Synergy ECP (12/17/25)
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  • Computer Network Operations (All Levels)

    Lentech, Inc (Hanover, MD)
    …CCNA, or CISSP preferred, Minimum three (3) years' experience with system (Windows, Linux , and Solaris) and network administration , Minimum three (3) years of ... in designing and implementing network architecture scenarios containing various operating systems and application versions to include Linux , Solaris, and… more
    Lentech, Inc (12/02/25)
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  • Senior Software Engineer (HPC)

    Belay Technologies (MD)
    …and enhances complex and diverse software for HPC (high performance computing) systems based upon documented requirements. Container security + LatteArt IAVM, PO&AM ... complex and diverse infrastructure as code (IaC) for large-scale computing systems + Works with installation, configuration, testing, and operational management of… more
    Belay Technologies (11/25/25)
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