• 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 (11/11/25)
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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 (10/09/25)
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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 (11/07/25)
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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 ... 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 (10/23/25)
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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 ... 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 (10/23/25)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …be supporting a Raytheon program in a classified environment as a **Principal** ** Linux System Administrator in Aurora, CO.** Responsibilities include ... We support critical programs with unclassified, classified, and proprietary information system capabilities and create end-to-end solutions to solve complex digital… more
    RTX Corporation (12/09/25)
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  • Linux Unix Systems

    Lumen (Denver, CO)
    …as we digitally connect the world and shape the future. **The Role** As the Linux /Unix Systems Administrator , you will be responsible for managing and ... **Admin Responsibilities:** ** System Management:** Install, configure, and maintain Linux /Unix servers and related hardware. Ensure systems are running… more
    Lumen (12/03/25)
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  • Linux System Administrator

    TEKsystems (Boulder, CO)
    …hours Skills Linux , python, shell script, perl, Red hat, Scripting, System administrator Top Skills Details Linux ,python,shell script,perl Additional ... 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 (12/05/25)
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  • Linux Systems Administrator

    Epsilon, Inc (Lakewood, CO)
    …Status Submit a Referral (https://careers-epsilon.icims.com/jobs/3768/ linux - systems - administrator ... shared during your recruiter conversation. **Responsibilities** **An average day:** AsLinux Systems Administrator II, you will support the reliability, security,… more
    Epsilon, Inc (12/03/25)
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  • Systems Administrator / Linux

    Lockheed Martin (Littleton, CO)
    …Martin Enterprise Operations \(EO\) position will support the Theater Strike Weapons System \(TSWS\) program\. Work location for this position is Littleton, CO\. The ... Multi\-Function Information Systems Analyst assists users with resolving technical issues with applications, connectivity and other IT related issues\. The… more
    Lockheed Martin (12/04/25)
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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 (12/11/25)
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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 (11/20/25)
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  • Systems Administrator 2…

    Oracle (Denver, CO)
    …technical teams. **Requirements:** + Seeking over 2+ years of experience working with Unix/ Linux Servers and system administration + Must have background in ... with the focus on excellence. Oracle's Federal Operations Production Service System Administrators provide system implementation, support, monitoring, and… more
    Oracle (11/25/25)
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  • Telecommunications Network System

    Tri-State Generation and Transmission Association, Inc. (Westminster, CO)
    …or CCNP + CompTIA Network+ Nokia NRS I / II + Red Hat Certified System Administrator (RHCSA) + Linux Professional Institute Certification (LPIC-1 or LPIC-2) ... position will be filled at one of four job grade levels: Telecommunications Network System Administrator I, job grade T3; Telecommunications Network System more
    Tri-State Generation and Transmission Association, Inc. (11/24/25)
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  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …responsibilities will include, but not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + ... part of our mission. Northrop Grumman is seeking a ** Systems Administrator ** **Level 2** to join our...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (10/22/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …(BU). This position is located in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able to build these environments ... Space Systems (NGSP) seeks to fill a ** Systems Administrator (Level 2 or 3)** supporting...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/06/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    …and a competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator II ( Linux ) Candidate must have an active ... Systems Administrator II Location Aurora, CO...Configures and manages UNIX and Linux operating systems and installs/loads operating system software, troubleshoots,… more
    DCCA (11/21/25)
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  • Consulting Member of Technical Staff

    Oracle (Denver, CO)
    …analyzing system crashes and boot flows to identify problems and including Linux system administrator skills. Career Level - IC5 **Responsibilities** + ... Looking for a candidate with deep knowledge of the Linux Operating systems including device drivers and...5+ years of experience in the Linux operating system , including working knowledge of… more
    Oracle (11/25/25)
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  • GNOSC Watch Officer/Network Engineer IRES - Ssfb

    Amentum (Colorado Springs, CO)
    …change management, and problem investigation. * Have previous work experience as a Windows/ Linux System Administrator supporting a large Enterprise with ... 24/7 Global Network Operations and Security Center. * Execute network, system , and cloud systems monitoring/surveillance, environmental monitoring, incident… more
    Amentum (12/04/25)
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  • Systems Administrator

    Infinity Systems Engineering (Colorado Springs, CO)
    …WE ARE MORE - now, come be more with us! Job Summary: The Systems Administrator is responsible for the maintenance, configuration, and reliable operation of ... system performance and security, and providing technical support to internal users. The Systems Administrator will work closely with the IT team to ensure all… more
    Infinity Systems Engineering (12/05/25)
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