• Senior Principal Linux…

    RTX Corporation (Aurora, CO)
    …US citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph ** Senior Principal Linux System Administrator - Aurora, ... a Raytheon program in a classified environment as a ** Senior Principal Linux System...GICSP, GSEC, SSCP, CySA+, CND. .Experience administering Red Hat Linux based systems with minimal support, to… more
    RTX Corporation (06/23/25)
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  • Senior / Principal Windows…

    SciTec (Boulder, CO)
    …requirements will not be considered. SciTec has an immediate opportunity for a talented Senior Principal Windows System Administrator to join our team in ... tools + Implement and maintain security policies and procedures to protect Windows systems and data + Monitor system performance and identify areas for… more
    SciTec (06/18/25)
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  • Sr Principal Sys Admin - COS IT…

    Northrop Grumman (Colorado Springs, CO)
    …and Missile Defense Systems offers an exciting career opportunity for a Sr Principal System Administrator - COS IT System Administrator (25-262) to join ... all Windows/ Linux -based servers + Create and maintain Windows/ Linux system administration processes and procedures +...and OS updates + Make sure all Windows and Linux systems are using the most up-to-date… more
    Northrop Grumman (06/07/25)
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  • Senior Principal Systems…

    Northrop Grumman (Aurora, CO)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... are not only part of history, they're making history. The Payload and Ground Systems , a division within Northrop Grumman's Space Systems Sector is known for… more
    Northrop Grumman (04/08/25)
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  • Senior Principal Cyber Security…

    ManTech (Denver, CO)
    …Information and Event Management (SIEM) platforms, and/or Splunk + Knowledge of Linux systems administration, general operating system security practices, ... ManTech seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer** to...Troubleshoot new and current data collection issues + Troubleshoot system issues that make the system unstable… more
    ManTech (05/20/25)
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  • RHEL Principal /Sr. Principal…

    Northrop Grumman (Colorado Springs, CO)
    …energetic individual to work at our Colorado Springs, CO location as a **RHEL Principal / Senior Principal Systems Administrator** supporting the JTAGS ... projects planned for future capabilities. **Roles and Responsibilities:** + Perform as a Senior Linux Systems Administrator. + Maintain smooth operation of… more
    Northrop Grumman (05/28/25)
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  • Principal System Administrator

    RTX Corporation (Aurora, CO)
    …will be supporting a Raytheon program in a classified environment as a Linux System Administrator. + Responsibilities include building, maintaining, and securing ... a security clearance​ **Security Clearance:** TS/SCI with Polygraph + ** Senior Red Hat Linux Administrator Aurora, CO,...GSEC, SSCP, CySA+, CND. + Experience administering **Red Hat Linux ** based systems with minimal support, to… more
    RTX Corporation (06/18/25)
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  • Senior / Principal Python Engineer

    SciTec (Boulder, CO)
    …software engineering, mathematics, engineering, or the physical sciences. + 8+ years ( Senior ) or 12+ years ( Principal ) of ongoing professional experience and ... fluency in Python. + 8+ years of ongoing professional experience using Linux operating systems . + Demonstratable understanding of principles related to software… more
    SciTec (06/19/25)
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  • Sr Principal Engineer Systems…

    Northrop Grumman (Boulder, CO)
    …is looking for new members to join our rapidly growing technical team as a ** Senior Principal Systems ** **Engineer** based out of **Boulder, CO** . ... various levels of engineers. + Technical documentation as required. **Basic Qualifications:** + ** Senior Principal Systems Engineer** : Bachelors degree in… more
    Northrop Grumman (04/30/25)
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  • Sr. Principal System Administrator…

    Northrop Grumman (Colorado Springs, CO)
    …Missile Defense Systems has an exciting career opportunity for a **Sr.** ** Principal System Administrator - C2BMC Global Operations Lead (25-138)** to join ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (04/08/25)
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