• System Administrator

    ManTech (Annapolis Junction, MD)
    …to end-users and maintain productivity. + Monitor and manage all installed systems and infrastructure diligently, taking direction from senior personnel to ... + 2 years of demonstrable experience in a system administration role, demonstrating practical knowledge and skills in the...required security standards for IT personnel. + Proficiency in Linux or Windows operating systems , indicating hands-on… more
    ManTech (09/05/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …incentives may be available based on position level and/or job specifics. ** Senior High Performance Computing (HPC) Systems Administrator** **115702BR** EEO ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...based IT enterprise in installation, configuration, and networking of Linux and Windows based platforms. + Oversee servers running… more
    BAE Systems (09/09/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... and make a difference in National** **Security!** As a Senior Systems Administrator you will play a...II certification** (eg, Security+ CE, SSCP) + Experience providing Sr . Linux (Red Hat/Rocky/CentOS) and LatteArt /… more
    Leidos (11/15/25)
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  • Software, CNO, Systems…

    Belay Technologies (Annapolis Junction, MD)
    … administration , scripting, network services, system monitoring. Experience Level: Junior to Senior Systems Engineer (Levels 1 to 4) Overview: Systems ... Skills: SQL, database architecture, data security, performance tuning. Experience Level: Senior level Information Systems Security Officer (ISSO) Overview: The… more
    Belay Technologies (11/13/25)
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  • Senior Network Security Engineer

    TEKsystems (Bethesda, MD)
    …of Cisco Switches and Cisco ASA Firewalls. Collaborate in the architecture and Administration of Network Access Control systems including but not limited Cisco ... network segmentation including VLANs and MPLS. Experience with multiple end-system operating systems including Windows, Linux , Mac OS, and Apple IOS. Experience… more
    TEKsystems (11/05/25)
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  • System Engineer (TS/SCI)- Senior or Mid…

    Vexterra Group (Bethesda, MD)
    …+ Experience with hardening Windows environments + Significant experience with system administration of server operating systems such as Microsoft Server (2012 ... Azure cloud services and the cloud ecosystem. + Experience operating and maintaining systems in a Linux environment + Certification relating to Microsoft… more
    Vexterra Group (10/14/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Annapolis, MD)
    Senior Mainframe Systems Programmer - zVMRemote...This position reports to the Manager of the z/VM, z/ Linux team and is responsible for assisting in the ... - United StatesJR012366 A Senior IBM z/VM Systems Programmer ensures the stability, integrity, and efficient operation...as required/Participate in On-Call Schedule + Platforms: **z/VM, z/VSE, Linux on IBM Z** What the Ideal Candidate Brings… more
    Ensono (10/07/25)
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  • Senior Systems Engineer

    Belay Technologies (Annapolis Junction, MD)
    …egree Candidates are required to have the following skills: + Skilled in Linux (RHEL) Administration including storage & interface management, hardening and ... a finalist in 2021! Belay Technologies is seeking a Senior System Engineer to join our intel team. Roll...join our intel team. Roll Descriptions: Operations & System Administration for Kubernetes Platform Infrastructure, including but not limited… more
    Belay Technologies (09/25/25)
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  • Senior Systems Administrator…

    SMX (Patuxent River, MD)
    Senior Systems Administrator (VMware) (4601)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ** ... support to on-premises infrastructure. + Understanding and familiarity of Linux operating system and virtual networking. **Required Skills and...degree in a technical discipline + 10+ years of systems administration experience + 6-8 years of… more
    SMX (11/14/25)
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  • FLEX Senior Software Engineer - SEO

    Marriott (Bethesda, MD)
    …maintaining technical SEO enhancements across the diverse portfolio of Marriott's websites and systems . This individual will serve as a senior technical resource ... following platforms: + Container platforms (Examples: OpenShift, Docker and Kubernetes) + Operating Systems : Red Hat Enterprise Linux , Oracle Linux , Windows,… more
    Marriott (09/13/25)
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