• 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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)
    - Save Job - Related Jobs - Block Source
  • 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. (09/25/25)
    - Save Job - Related Jobs - Block Source
  • Sr Principal Systems Administrator

    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. + ... our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (09/11/25)
    - Save Job - Related Jobs - Block Source
  • 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 (08/22/25)
    - Save Job - Related Jobs - Block Source
  • Systems Engineer L3

    NTT America, Inc. (Denver, CO)
    …related experience. **REQUIRED EXPERIENCE** + Minimum 5-7 years of experience as a Linux or Windows Systems Administrator /Engineer in an Enterprise Data ... guide and inspire junior team members. + Advanced knowledge of Windows and/or Linux operating systems , virtualization, and cloud platforms. + Proficiency in… more
    NTT America, Inc. (09/27/25)
    - Save Job - Related Jobs - Block Source
  • Engineer, Software & Information Platform

    Cardinal Health (Denver, CO)
    …determines causes and takes timely corrective action. + Works with the Unix/ Linux /Windows Administrator on capacity planning and performance tuning of servers ... Experience with solution manager and OSS Experience with TMS (Transport Mgmt System ) modules Knowledge of Linux /DB2 database administration preferred. +… more
    Cardinal Health (09/18/25)
    - Save Job - Related Jobs - Block Source
  • System Administrator

    DCCA (Denver, CO)
    System Administrator Location Denver, CO Job...System Deployment and configuration for RHEL7/8 and SuSE Linux + System security management using RMF ... compensation and benefits package. Visit our website at: www.dcca.com System Administrator Candidates MUST have an active...(or higher) - baseline (ex. Security+) and CE (ex. Linux +) + Linux Administration (RHEL 7/8) Desired… more
    DCCA (09/22/25)
    - Save Job - Related Jobs - Block Source