• Network Administrator 3 -Tyson's

    M. C. Dean (Vienna, VA)
    …technologies; digital/analog communications technologies. + Working knowledge of the following systems: UNIX/ LINUX , CISCO IOS, Windows Server , and Microsoft ... landscape. **Position Summary:** MC Dean is seeking a highly competent **Network Administrator 3** to assist on the design and maintenance of its network… more
    M. C. Dean (08/27/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …complex computer system network administration activities. + Experience in Microsoft Windows computer operating systems, LINUX operating systems, CISCO Systems, ... as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the...a business, technical or engineering field. + Certification in LINUX operating systems + Cisco Certified Network Associate (CCNA).… more
    SimIS Inc. (08/07/25)
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  • Principal System Administrator - Network…

    RTX Corporation (Springfield, VA)
    …access to tools and resources that enable this **Principal** **System Administrator - Network Operations Center** employee to continuously improve their technical and ... a classified environment as a Network Operations Center (NOC) System Administrator . + This position is responsible formonitoring the Infrastructure Service Provider… more
    RTX Corporation (09/07/25)
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  • Systems Administrator (Multiple Levels)

    Noblis (Chantilly, VA)
    …+ Minimum of 5 years of experience in systems administration + Proficiency with: + Windows and Linux operating systems + Windows Active Directory + ... Responsibilities As a Systems Administrator , you will be responsible for installing, configuring,...tune systems to achieve optimum performance levels + Ensure workstation/ server data integrity by implementing appropriate software and hardware… more
    Noblis (09/03/25)
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  • Senior Windows Engineer- Hybrid Reston

    Motion Recruitment Partners (Arlington, VA)
    …+ Advanced Windows administration (Active Directory, DNS, Group Policy) + Linux server troubleshooting and patching (SUSE, RedHat, CentOS) + Ability to ... Senior Windows Engineer- Hybrid Reston, VA Arlington, Virginia **Hybrid**...(Install, Move, Add, Change) services. + Create and maintain server and application diagrams, workflows, and documentation. + Diagnose,… more
    Motion Recruitment Partners (08/15/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    …or equivalent) or ability to obtain one within 180 days. + Experience with Windows and Linux operating systems. + Experience providing help-desk end-user support ... seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities...for common desktop and server issues. + Experience installing and configuring physical equipment.… more
    ManTech (08/20/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    …to obtain one within 180 days. + System Experience: Experience with both Windows and Linux operating systems. + End-User Support: Experience providing help-desk ... seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities...support for common desktop and server issues and with installing and configuring physical equipment.… more
    ManTech (08/20/25)
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  • Computer System Administrator

    Northrop Grumman (Dulles, VA)
    …supporting large user populations in a secure environment + Must have experience with either Windows (desktop and server ), Linux (Red Hat or HPC), VMWare, ... be limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate effectively at all levels of… more
    Northrop Grumman (08/13/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …multi-site operations with distributed teams across multiple geographic locations + Experience managing Windows and Linux server environments + Knowledge of ... network security, firewalls, and intrusion detection systems + Experience with virtualization technologies and cloud computing platforms + Demonstrated experience with DoD cybersecurity requirements and accreditation processes + Use experience gained to help… more
    SimIS Inc. (09/22/25)
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  • Classified Lab Manager

    The MITRE Corporation (Mclean, VA)
    … server and desktop operating systems + Updating anti-virus software definitions for Windows / Linux server and workstation + User maintenance activities on ... position on our McLean Va campus. Roles & Responsibilities: + Building and hardening Windows , Linux , Hypervisor systems, such as VMware + Patching and updating … more
    The MITRE Corporation (09/04/25)
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