• Linux Systems Administrator

    Epsilon, Inc (Lakewood, CO)
    ** Linux Systems Administrator II** **Epsilon is now part of AMERICAN SYSTEMS !** We are pleased to announce Epsilon, Inc. has joined AMERICAN SYSTEMS . ... Solution Architecture, and Project Management. **An average day:** As Linux Systems Administrator II, you...federal or regulated IT environments. + Red Hat Certified System Administrator (RHCSA) or equivalent certification. **Other… more
    Epsilon, Inc (10/09/25)
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  • Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (09/23/25)
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  • Linux System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …challenges in the space domain? We need your help. Our team is looking for a ** Linux System Administrator ** . In this role you will support multiple ... The qualified applicant will design, implement and maintain the Linux Information Technology (IT) systems (Red Hat...key tasks, establish networking rules for cybersecurity and troubleshoot Linux system errors or other technical issues.… more
    Parsons Corporation (09/04/25)
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  • Senior Linux System

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... libraries + Advanced Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills + Excellent written and… more
    GovCIO (08/08/25)
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  • Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (09/18/25)
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  • Principal Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber ... with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where...Fifteen (15) or more years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (08/11/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system...be a condition of continued employment + Must have Linux Operating Systems support experience + … more
    Northrop Grumman (10/09/25)
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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 ... to:** + Support implementation, troubleshooting, and maintenance of IT systems + Manage IT infrastructure and ensure system...levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system more
    ManTech (08/08/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    MANTECH seeks a motivated and customer-focused ** Linux ** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ... to:** + Support implementation, troubleshooting, and maintenance of IT systems + Manage IT infrastructure and ensure system...levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system more
    ManTech (08/08/25)
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  • Sr. Principal Linux System

    RTX Corporation (Aurora, CO)
    …supporting a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, maintaining, ... Security, GICSP, GSEC, SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using and developing automation… more
    RTX Corporation (07/19/25)
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  • Linux Administrator

    TEKsystems (Denver, CO)
    …and security of Red Hat Enterprise Linux (RHEL 9) and other Linux systems (Ubuntu, legacy CentOS). + Automate Everything: Drive automation initiatives using ... | Data Center & Infrastructure Expansion Are you a Linux aficionado ready to take ownership of a growing...data parsing and analytics. + Modernize Infrastructure: Upgrade legacy systems and implement best practices for scalability and security.… more
    TEKsystems (10/02/25)
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  • Linux System Administrator

    TEKsystems (Boulder, CO)
    …working hours Skills Linux , python, shell script, perl, Red hat, Scripting, System administrator Additional Skills & Qualifications Works as a team member ... DNS, DHCP, LDAP, SMTP, Federated identity configurations, and authentication systems * Advanced skill in allocating system ...systems administration skills will be supporting and configuring Linux systems , DNS and DHCP. Initiates and… more
    TEKsystems (10/09/25)
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  • Lead Linux Systems

    Insight Global (Aurora, CO)
    Job Description Overview: Insight Global is seeking a Lead Systems Administrator to lead operations at Buckley Space Force Base, CO. This role involves system ... degree) * Linux : Hands-on experience deploying, configuring, and troubleshooting Linux systems , preferably RedHat 6/7/8/9 * Hardware: Experience with NetApp,… more
    Insight Global (10/06/25)
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  • Linux System Administrator

    KIHOMAC (Colorado Springs, CO)
    …(eg Security+) Experience: + 5+ years of directly related experience in UNIX and/or Linux systems administration + Experience administering a Red Hat Linux ... + Design, implement, troubleshoot, and sustain Linux based physical and virtual machines for the...repositories/registries + Oversee and perform the hardening of operating systems and STIG compliance + Collaborate with cybersecurity, DevSecOps,… more
    KIHOMAC (10/09/25)
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  • Linux Systems Administrator

    Deloitte (Colorado Springs, CO)
    …Colorado Springs, CO. + 3+ years of cyber security experience with emphasis on Linux Systems Administration. + 3+ years of background /familiarity with Linux ... routers, switches, firewalls, IDS, etc. + Administer, implement and maintain Linux Servers in support of cybersecurity operations. + Maintain and continuously… more
    Deloitte (09/19/25)
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  • Linux System Administrator

    KIHOMAC (Colorado Springs, CO)
    …+ Build, configure, deploy, administer, maintain and troubleshoot virtual and physical servers/ systems + Ensure system changes are completed in accordance with ... tasks and troubleshooting efforts + Install, configure, and manage RHEL and other Linux -based systems + Assist integration leads and managers in problem… more
    KIHOMAC (10/04/25)
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  • Linux System Administrators Careers

    Northrop Grumman (Aurora, CO)
    …role. It is for you to speak with a Talent Advisor here at Northrop Grumman.** ** Linux Systems Administrator ** : + Manage and maintain secure operation of ... and applications for several program or project areas. **Principal Linux Systems Administrator ** + Serve...**Background and Experience Needed For All System Administrator Positions:** + Experience maintaining Classified Linux more
    Northrop Grumman (09/14/25)
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  • Linux Elastic Systems

    KIHOMAC (Colorado Springs, CO)
    …develop, and maintain insightful and actionable dashboards in Kibana to monitor system performance, security events, and application health + Participate in on-call ... rotation for after-hours support + Document system configurations, procedures, and troubleshooting steps + Develop strategic insights from large data sets + Present… more
    KIHOMAC (10/05/25)
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  • Cleared IT Systems Administrator

    BAE Systems (Broomfield, CO)
    …BAE Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support the implementation, troubleshooting and ... **Preferred Education, Experience, & Skills** + Red Hat Certified System Administrator (RHCSA). + Linux ...based on position level and/or job specifics. **Cleared IT Systems Administrator Senior** **115020BR** EEO Career Site… more
    BAE Systems (09/09/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …DISA STIGs and SRGs + Excellent oral and written communication skills Desired: + Linux System Administrator + DevSecOps + Risk Management Framework ... Title: System Administrator Belong. Connect. Grow. with...our national security. KBR, is seeking a highly motivated Systems Administrator to join us in supporting… more
    KBR (08/22/25)
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