• Firewall Administrator & InfoSec Engineer…

    Lockheed Martin (Bethesda, MD)
    …the Boundary Transformation and Secure Transport team is hiring a mid\-career Firewall Administrator / InfoSec Engineer\. **What You Will Be Doing:** In this role, ... implementing, and managing firewall rules, policies, and configurations to ensure network security and compliance * Monitoring and analyzing firewall logs to… more
    Lockheed Martin (07/16/25)
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  • Windows System Administrator (Senior-Level)

    Link Solutions Inc (Adelphi, MD)
    …for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. + Must be a US ... Clearance + Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level) will be responsible for the installation, configuration,… more
    Link Solutions Inc (08/01/25)
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  • LAN Administrator

    Kennedy Krieger Institute (Baltimore, MD)
    **Overview** The LAN Administrator I is responsible for providing end-user support, problem resolution, and service request actions for desktop workstations, ... laptops, PDA's, software applications, peripherals, and Windows Operating Systems. The LAN Administrator I is responsible for the integrity and security of various… more
    Kennedy Krieger Institute (07/26/25)
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  • Systems Administrator

    BAE Systems (Fort Meade, MD)
    …day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. + Provide support for the ... operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve… more
    BAE Systems (07/19/25)
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  • Senior Linux Systems Administrator

    Leidos (Annapolis Junction, MD)
    …**Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (08/13/25)
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  • System Administrator IV - HPC

    Leidos (Annapolis Junction, MD)
    …Sector at Leidos currently has an immediate need for an experienced **System Administrator - IV HPC** for a new customer on a strategic High-Performance Computing ... (HPC) program. The Senior System Administrator will need to be a self-starter with excellent...and government recognized functional expertise. An industry recognized professional certification as listed below may substitute as one (1)… more
    Leidos (07/03/25)
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  • Senior Database Administrator - Thurs/Fri…

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is currently hiring for MULTIPLE **Senior Database Administrator (s)** to support our customer, USPS' Network and Compute Technology (NCT) ... responsible for the planning, development, implementation, and support of the USPS network and compute technology infrastructure. NCT enhances the postal network more
    GovCIO (08/02/25)
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  • ACAS Systems Administrator

    Leidos (Adelphi, MD)
    …appropriate scan zones and repositories. + Provide Multi-Tiered ACAS administrator support. + Troubleshoot application errors, operating system(s), server hardware, ... network communications and storage allocation issues within the ACAS...start of employment you must possess one (1) professional certification identified in DISA IASE IAT Level II DoD… more
    Leidos (08/09/25)
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  • Sr. Principal VMware Systems Administrator

    Northrop Grumman (Annapolis Junction, MD)
    …By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to the field or an industry ... your career. Northrop Grumman Mission Systems is seeking an expert VMWare systems administrator to join its dynamic team of technical professionals in Linthicum, MD… more
    Northrop Grumman (07/08/25)
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  • System Administrator I

    General Dynamics Information Technology (Annapolis Junction, MD)
    …years of experience with Service Management (ITSM) is required. + ServiceNow System Administrator certification is required GDIT IS YOUR PLACE: * Full-flex work ... related experience **US Citizenship Required:** Yes **Job Description:** Systems Administrator 1 Provides support for implementation, troubleshooting and maintenance… more
    General Dynamics Information Technology (07/31/25)
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