• Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    … system administration , and information assurance support for combat system interface simulation, test, analysis, and training systems associated with ... + Experience in implementing and maintaining complex computer system network administration activities. + Experience in Microsoft Windows computer operating … more
    SimIS Inc. (08/07/25)
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  • Senior IT Systems Engineer

    ManTech (Chantilly, VA)
    …including documentation required for A&A IAW ICD 503. + Experience with Windows administration , Active Directory, administrative scripting languages, and ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Engineer** to join...and experience with virtual infrastructure technologies, all components of Windows and Linux system infrastructure, Local Area… more
    ManTech (08/20/25)
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  • Senior Systems Administrator…

    General Dynamics Information Technology (Quantico, VA)
    …be TS/SCI eligible) + **Required Experience:** + 5+ years of experience with Systems Administration , general computer system , network administration , ... Infrastructure and Operations **Skills:** Mobile Device Management (MDM),Next-Generation Network (NGN), System Administration **Certifications:** Security+ CE - CompTIA… more
    General Dynamics Information Technology (08/09/25)
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  • Mid- Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …Juniper switch configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active CompTIA Security+ CE or equivalent ... + Configure, manage, secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security,… more
    Infinity Systems Engineering (09/30/25)
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  • Senior Network Systems Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior Systems Engineer, you will plan, design, and implement additions and changes to network hardware, infrastructure server ... and security + Cloud platforms (AWS GovCloud, SC2S, C2S) + Linux and Windows operating systems + Windows Active Directory + Network hardware… more
    Noblis (09/03/25)
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  • Senior Systems Engineer…

    M. C. Dean (Vienna, VA)
    …and other components of our cybersecurity infrastructure. As part of the team, the ** Senior Systems Engineer** 's responsibilities will include (but will not be ... characteristics; testing and evaluation of technology components; + **Producing detailed system design** , including network and systems infrastructure,… more
    M. C. Dean (08/27/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a ... systems and training environments Experience Required: + Eight (8) years of systems administration experience with three (3) years in leadership roles +… more
    SimIS Inc. (09/22/25)
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  • Senior Systems Engineer, AWS Managed…

    Amazon (Herndon, VA)
    …and efficiency to operate AWS Regions. Amazon is looking for highly motivated Senior Systems Engineers who can balance the day-to-day operations of AWS' ... the forefront. Basic Qualifications - 8+ years of relevant systems engineering, or systems administration ...Site Reliability Engineering (SRE) or Enterprise Production experience in Windows / Linux or similar environments - 3+ years'… more
    Amazon (09/09/25)
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  • Senior VMware Administrator | Active TS/SCI…

    General Dynamics Information Technology (Quantico, VA)
    …(Must be TS/SCI eligible) + **Required Experience:** + 8+ years of experience with systems administration + DoD system accreditation process + STIG checklist ... Infrastructure and Operations **Skills:** Computer Servers,IT management and operations,Troubleshooting,VMware Administration **Certifications:** Security + - CompTIA - CompTIA **Experience:**… more
    General Dynamics Information Technology (10/01/25)
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  • Oracle DBA, Senior

    General Dynamics Information Technology (Fort Belvoir, VA)
    …of Oracle Data Guard Replication and Recovery Manager. Experience with Linux and Windows based operating systems administration and troubleshooting. + ... troubleshooting and problem-solving skills for critical database, application, network, and system administration issues. + Strong knowledge of Oracle Database… more
    General Dynamics Information Technology (08/20/25)
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