• Linux Administrator - TS/SCI w/ Poly…

    V2X (Chantilly, VA)
    …versions of the relevant operating systems + Building and hardening Linux servers, and establishing configuration baselines + Applying all appropriate security ... configuration and all other areas of responsibility **Qualifications:** + Strong Linux administration experience + Experience working in an organization with… more
    V2X (11/08/25)
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  • Senior Linux Administrator

    RTX Corporation (Mckinney, TX)
    …world. **What You Will Do:** + Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions. + Work with Cyber to maintain and monitor ... system availability, performance, and logs using enterprise tools. + Configure and maintain STIG-compliant systems in accordance with DoD security standards. + Automate system tasks using Ansible and Bash shell scripting + Troubleshoot hardware and software… more
    RTX Corporation (11/21/25)
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  • Linux System Administrator

    Actalent (Poway, CA)
    Job Title: System Administrator Job Description We are seeking an experienced System Administrator with a strong understanding in deploying and managing ... Azure, and AWS). + Proactively maintain and develop all Linux infrastructure technology to maintain a 24x7x365 uptime service....a 24x7x365 uptime service. + Install and set up Linux systems and servers in a hybrid cloud environment.… more
    Actalent (12/05/25)
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  • Linux Systems Administrator II…

    TEKsystems (Riverside, CA)
    A large Beverage company in Corona, CA is hiring a System Administrator II -the highest technical support layer for their global IT infrastructure. This role is a ... Servers (Windows Server 2016 and newer) and 120 SUSE Linux servers (SLES 12 and SLES 15), including patching,...and efficiency. Qualifications: + 5-7+ years as a System Administrator with deep expertise in Windows Server 2016 or… more
    TEKsystems (12/09/25)
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  • Linux Systems Administrator II

    Epsilon, Inc (Phoenix, AZ)
    …Submit a Referral (https://careers-epsilon.icims.com/jobs/3766/ linux -systems- administrator -ii/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834329987) ... your recruiter conversation. **Responsibilities** **An average day:** AsLinux Systems Administrator II, you will support the reliability, security, and performance… more
    Epsilon, Inc (12/03/25)
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  • Principal Linux Systems…

    RTX Corporation (El Segundo, CA)
    …problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams to support ... Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and Microsoft Windows environment. + Collaborate in a...for a security clearance. + Must have experience with Linux systems administration + Experience with one of the… more
    RTX Corporation (12/05/25)
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  • Linux System Administrator with CI…

    Parsons Corporation (Centreville, VA)
    …what's possible. **Job Description:** Our Special Programs and Systems team is hiring Linux System Administrators with a passion for mission excellence in our High ... This role includes system design, configuration, and debugging of Linux systems. Note: this is a full time in-office...role. **What You'll Be Doing:** + Configure and maintain Linux mission systems + Triage system alerts and initiate… more
    Parsons Corporation (11/21/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **MANTECH** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the **Fort Meade, MD** area. ... in computer science or a related discipline may be substituted. + Heavy Linux administration experience. + Experience using Ansible or comparable tools. + Experience… more
    ManTech (12/02/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    **ManTech** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the Fort Meade, MD area. ... years' experience might be substituted for a degree. + Heavy Windows and Linux administration experience + Highly proficient with Active Directory + Experience with… more
    ManTech (11/22/25)
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  • Endpoint Linux Systems Administrator

    US Tech Solutions (Milpitas, CA)
    **Job Description:** + The client is deploying security tools on Windows and Linux endpoints so that all endpoint systems are managed and in compliance with cyber ... CA location. + This individual will be accountable for Windows endpoints, Linux endpoints in various Engineering Groups. + Responsibilities on the above systems… more
    US Tech Solutions (10/17/25)
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