• Systems Administrator (IT Program Services)

    Nightwing (Annapolis Junction, MD)
    …and experience in Linux Systems Administration using Debian or Red Hat based distributions. Understanding and familiarity with various IT concepts such ... community, defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified… more
    Nightwing (06/24/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    …III LCAT requirements, the ideal candidate for this position must have experience in Linux ( Red Hat ), Saison, and Ansible. Proficient in the installation, ... Multi-Platform Unix/Windows Server 2003, NT, XP, 2000 environments, including Red Hat Enterprise Linux (RHEL5.4),...Mainframe Software: * Jes 3, TSO, IBM's Information Management Systems /Infoman, DOS Power, VTAM, IBM Netview, SAS PC Server… more
    DCCA (05/19/25)
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  • FLEX Senior Systems Engineer - SRE

    Marriott (Bethesda, MD)
    …of **Windows Failover Clustering** and ** Linux HA** solutions such as Pacemaker, Red Hat Cluster Suite etc + Deep understanding and/or experience with Cloud ... **Schedule** Full Time **Located Remotely?** N **Position Type** Management The Senior Systems Engineer - Site Reliability Engineering (SRE) is responsible for the… more
    Marriott (06/24/25)
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  • Staff Cyber Systems Administrator

    Lockheed Martin (Hanover, MD)
    …Skills:** * AWS Solutions Architect certification * AWS SysOps Administrator certification * Red Hat certification * 5 years experience with Cl/CD software ... computer science, Engineering, or related field \(or equivalent experience\) * IT Systems administrative experience with both Microsoft and Linux platforms\.… more
    Lockheed Martin (07/12/25)
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  • Systems Administrator

    ManTech (Hanover, MD)
    …a test environment running a wide variety of Operating Systems to include Windows, Red Hat Linux , CentOS, Fedora Core, BSD, Solaris and Debian. + ... Responsible for managing a wide range of Linux services to include Apache, Radius, TACACS, NIS, DNS,...or university is required. Five (5) years of additional Systems Administration experience may be substituted for a bachelor's… more
    ManTech (04/30/25)
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  • Principal / Sr. Principal HPC Network Engineer

    Northrop Grumman (Annapolis Junction, MD)
    …with PhD. Will consider 4 years additional experience in lieu of degree. + Strong Linux ( Red Hat ) proficiency + Strong knowledge and experience with concepts ... Experience directing technical work of a small team of Linux Systems Administrators + Candidate must be...years additional experience in lieu of degree. + Strong Linux ( Red Hat ) proficiency +… more
    Northrop Grumman (06/15/25)
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  • Principal Systems Engineer (hybrid)

    RTX Corporation (Fulton, MD)
    …integrating software and debugging issues in a software development environment, including knowledge of Red Hat Linux Operating System + Experience with any ... leader in the development of command and control software systems and operates in a dynamic, complex, fast-paced business...international pursuits and programs. We are seeking a **Principal Systems Engineer** to work in Fulton, MD. This is… more
    RTX Corporation (07/09/25)
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  • Systems Engineer V - Pipeline (TS/SCI w/…

    COMSO, Inc (Fort Meade, MD)
    …The CE certification requirements can be fulfilled with either Microsoft OS, Cent OS/ Red Hat OS CE certifications. + If assigned to Directory Services ... development team. + Skill areas include Telecommunication (TCP/IP, OIS/CMIP/X25), operating systems (Windows, UNIX, and Linux ), database/DBMS (Oracle, MS Access,… more
    COMSO, Inc (06/03/25)
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  • Systems Administrator I - Pipeline (TS/SCI…

    COMSO, Inc (Fort Meade, MD)
    …Certification. The CE certification requirements can be fulfilled with either Microsoft OS, Cent OS/ Red Hat OS CE certifications. + Two (2) years of experience ... and remains involved in the resolution process. + Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software,… more
    COMSO, Inc (06/03/25)
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  • System Engineer - IA Systems

    CACI International (Annapolis Junction, MD)
    …certification. + Computing Environment (CE) certification, such as Microsoft OS, Cent OS, or Red Hat OS. + Experience with key technologies such as Active ... with a range of technologies, including telecommunications (TCP/IP, OIS/CMIP/X25), operating systems (Windows, UNIX, and Linux ), databases (Oracle, MS Access,… more
    CACI International (05/22/25)
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