• Linux System Administrator

    ManTech (Aurora, CO)
    …Experience with maintaining detailed records, technical documentation, and change logs ** Preferred Qualifications:** + Operating Systems: CentOS, AIX, Solaris , ... MANTECH seeks a motivated and customer-focused **Linux** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT… more
    ManTech (08/08/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    ManTech is seeking a **Linux** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort and is ... tuning) + Experience with performing system configuration and daily operations ** Preferred Qualifications:** + Experience with some or all of the following… more
    ManTech (08/08/25)
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  • Lead IT Infrastructure Engineer

    Lumen (Denver, CO)
    …this position is to serve as a Linux and virtual infrastructure system administrator , for both on-premise and cloud based infrastructure. Primary functions are to ... etc.) administration + Minimum of 6 years of experience with Unix ( Solaris , HP-UX, etc.) administration + Experience with automation and orchestration technologies… more
    Lumen (07/15/25)
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