• Senior System Administrator - Network…

    St. George Tanaq Corporation (Suitland, MD)
    …Enterprise Systems Administration - Expert in managing Windows Server and Linux environments, Active Directory, Group Policy, DNS, DHCP, and virtualization ... Senior System Administrator - Network Operation Center WFH...years of advanced expertise in enterprise-level network and systems administration , ensuring mission-critical systems remain secure, resilient, and fully… more
    St. George Tanaq Corporation (08/15/25)
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  • Sr . DevOps Engineer.

    Leidos (Bethesda, MD)
    …full stack containerized microservices architecture as well as technical systems administration , installation, and configuration. You will participate in fostering a ... of experience with Master's degree. + Must have an active Top Secret security clearance with the ability to...TS/SCI with Polygraph security clearance + Comfortable working in Linux + Experience with continuous delivery using ArgoCD +… more
    Leidos (09/30/25)
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  • Manager / Operations Manager - Senior

    SMX (Patuxent River, MD)
    …Support VMware systems hosting virtualized workstations and/or servers + Support Windows and/or Linux based systems + Support Windows Active Directory + Support ... Manager / Operations Manager - Senior (Secret to TS) (3309)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a skilled… more
    SMX (08/08/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    …administering Linux operating systems. + Experience with Windows Server 2022 administration , including Active Directory and networking + Proven experience as ... ManTech seeks a motivated, career- and customer-oriented ** Sr ** **Cloud System Administrator** to join our team in **Hanover, MD.** Our team delivers enterprise… more
    ManTech (09/10/25)
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  • FLEX Senior Network Engineer

    Marriott (Bethesda, MD)
    …tools such as Ansible, Python, Terraform. - 4+ years of experience with administration of Ansible Automation platform to support network automation. - 3+ years of ... Pan-os-python etc. - Experience managing AAP (Ansible Automation Platform) admin functions, backups, recovery, upgrade, integrations, best practices, governance, KPI… more
    Marriott (08/16/25)
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  • Cloud Network & Computer Systems Administrator…

    SMX (Patuxent River, MD)
    …Support VMware systems hosting virtualized workstations and/or servers + Support Windows and/or Linux based systems + Support Windows Active Directory + Support ... at Patuxent River, MD. The Administrator tasking includes operations, administration , maintenance, compliance, break/fix, activities for servers, appliances, storage… more
    SMX (08/08/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …large client-server based IT enterprise in installation, configuration, and networking of Linux and Windows based platforms. + Oversee servers running Red Hat, ... architecture + Support Tier 3 Infrastructure services such as: DNS, NIS, Active Directory, Centrify, Zenoss, SiteScope, HP Openview, HP Oneview, HPSA, HPSE, SPLUNK,… more
    BAE Systems (09/09/25)
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  • Senior System Integrator Engineer (TS/SCI)

    Vexterra Group (Bethesda, MD)
    …and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration , and troubleshooting of both Linux ... Vexterra Group is currently searching for a Senior Systems Integrator Engineer to provide the following...can work on their own * Expertise in configuration, administration , and troubleshooting of Linux (RHEL/CentOS, Ubuntu)… more
    Vexterra Group (07/15/25)
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  • (Mid. or Senior ) System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …engineers, etc.) + Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory + Must have experience with Linux and Microsoft-based servers ... team. The selected individual will be responsible for maintaining system administration support activities for a large complex network environment with… more
    Belay Technologies (10/01/25)
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  • Senior DevOps Engineer - Partial Telework

    GliaCell Technologies (Columbia, MD)
    An active or rein-statable TS/SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are you ... a Senior -Level DevOps Engineer who is ready for a new...position you must have the following: + Possess an active or rein-statable TS/SCI with Polygraph security clearance. +… more
    GliaCell Technologies (08/23/25)
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