• Linux Systems Administrator II

    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. Together, ... Solution Architecture, and Project Management. **An average day:** As Linux Systems Administrator II, you will support the reliability, security, and performance… more
    Epsilon, Inc (10/09/25)
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  • Principal Linux Systems…

    Northrop Grumman (Aurora, CO)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all… more
    Northrop Grumman (09/23/25)
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  • Linux System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …in the space domain? We need your help. Our team is looking for a ** Linux System Administrator ** . In this role you will support multiple operating locations ... (CONUS) locations. The qualified applicant will design, implement and maintain the Linux Information Technology (IT) systems (Red Hat Enterprise Linux (RHEL))… more
    Parsons Corporation (09/04/25)
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  • Senior Linux System Administrator

    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 position ... USD $135,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6348/senior- linux -system- administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6348_ **Category** _IT… more
    GovCIO (08/08/25)
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  • Senior Linux Systems Administrator

    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 & ... a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (10/09/25)
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  • Senior Linux Systems Administrator

    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 & ... a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (09/18/25)
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  • Sr Principal Linux Systems…

    Northrop Grumman (Boulder, CO)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively ... Office (CIDO) organization is seeking a highly experienced **Senior Linux Server Admin** to join its dynamic team of...be a condition of continued employment + Must have Linux Operating Systems support experience + Linux more
    Northrop Grumman (10/09/25)
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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 ELINT ... issues at Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform… 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 ... issues at Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform… more
    ManTech (08/08/25)
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  • Sr. Principal Linux System…

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

    TEKsystems (Denver, CO)
    Contract-to-Hire | Data Center & Infrastructure Expansion Are you a Linux aficionado ready to take ownership of a growing infrastructure in a high-impact role? Join ... next five years-and then double again. This is your chance to be the go-to Linux expert in a collaborative, forward-thinking IT environment. What You'll Do: + Lead … more
    TEKsystems (10/02/25)
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  • Linux System Administrator /ONSITE

    TEKsystems (Boulder, CO)
    …LDAP, Email, Google Workspace, Identity Management, RADIUS) and drive Linux -based environments. Provide systems administration in Enterprise Infrastructure and ... specification, design, implementation, testing, administration, maintenance and documentation of Linux -based compute hosts, file servers, storage subsystems and related… more
    TEKsystems (10/09/25)
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  • Lead Linux Systems Administrator

    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 ... in support of mission-critical ground systems. The environment is Linux -based, with a mix of bare metal and virtual...system processes and guiding team operations Sustain and troubleshoot Linux and virtual systems, (HW, SW, and OS) Perform… more
    Insight Global (10/06/25)
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  • Linux System Administrator

    KIHOMAC (Colorado Springs, CO)
    + Design, implement, troubleshoot, and sustain Linux based physical and virtual machines for the Missile Defense Space Center + Administer container platforms such ... obtain within 60 days of hire, a computing environment Linux certification + Must have, or obtain within 60...5+ years of directly related experience in UNIX and/or Linux systems administration + Experience administering a Red Hat… more
    KIHOMAC (10/09/25)
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  • Linux Systems Administrator - TS/SCI…

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

    KIHOMAC (Colorado Springs, CO)
    …and troubleshooting efforts + Install, configure, and manage RHEL and other Linux -based systems + Assist integration leads and managers in problem definition, ... analysis, requirement development and implementation as needed + Advise team members and leadership and make appropriate technical recommendations regarding system development issues and improvements, optimization tools and methods, process creation and… more
    KIHOMAC (10/04/25)
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  • Linux System Administrators Careers

    Northrop Grumman (Aurora, CO)
    …It is for you to speak with a Talent Advisor here at Northrop Grumman.** ** Linux Systems Administrator ** : + Manage and maintain secure operation of Linux ... workstations, and applications for several program or project areas. **Principal Linux Systems Administrator ** + Serve as primary Linux Systems … more
    Northrop Grumman (09/14/25)
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  • Linux Elastic Systems Administrator

    KIHOMAC (Colorado Springs, CO)
    …+ Able to occasionally reach with hands and arms + Prolonged periods of computer screen use, while sitting or standing at a desk + Adhere to safety protocols when in ... + Analyze data sources to provide actionable recommendations + Deploy, configure, and maintain the Elastic stack (Elasticsearch, Logstash, Kibana) in a scalable and highly available environment + Develop and maintain data pipelines to ingest, process, and… more
    KIHOMAC (10/05/25)
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  • Cleared IT Systems Administrator Senior

    BAE Systems (Broomfield, CO)
    …REQUIRED** BAE Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support the implementation, troubleshooting and ... Education, Experience, & Skills** + Red Hat Certified System Administrator (RHCSA). + Linux Foundation Certified System Administrator (LFCS). + Experience… more
    BAE Systems (09/09/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …STIGs and SRGs + Excellent oral and written communication skills Desired: + Linux System Administrator + DevSecOps + Risk Management Framework implementation + ... Title: System Administrator Belong. Connect. Grow. with KBR! KBR's National...1 hypervisors, eg KVM, ESXi + Demonstrated experience with Linux (eg Red Hat Enterprise Linux ) +… more
    KBR (08/22/25)
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