• Software Systems Integrator

    L3Harris (Greenville, TX)
    …and/or Rockwall,TX Schedule: 9/80 Job Description: L3Harris is seeking a hybrid Windows/ Linux Systems Administrator to support Mission System integration in ... systems will include the install and configuration of the Operating Systems and Mission software, Infrastructure services, and Cyber Security hardening. A… more
    L3Harris (01/06/26)
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  • Principal System Administrator

    BAE Systems (Nashua, NH)
    …impats in the following ways_** + Administer patch management for RHEL-based Linux systems , including vulnerability scanning, patch deployment, and compliance ... protection and ePO integration. + Deploy and configure Splunk Universal Forwarders on Linux systems ; manage log ingestion and index routing. + Reset LDAP… more
    BAE Systems (12/19/25)
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  • Journeyman Engineer Systems

    Huntington Ingalls Industries (Fort Meade, MD)
    …equivalent and 7 years relevant experience. Applicable industry certifications for Microsoft or Linux Must have an Active Secret Security Clearance US Citizen 3+ ... Time/Salaried/Exempt Anticipated Salary Range: $83,092.00 - $120,000.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides with Warfare… more
    Huntington Ingalls Industries (12/19/25)
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  • Operating Systems Engineer

    CAE USA INC (Arlington, TX)
    …Engineering, or related discipline. + 2-5 years of professional experience in systems engineering, Linux system administration, or software development. (2 years ... This Role Summary This is a hands-on software engineering position in CAE's Systems and Software Engineering Center ( SSWEC ) organization. This group is responsible… more
    CAE USA INC (01/07/26)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    … automation or DevOps tooling, including Ansible, Jenkins, or Terraform + Top Secret clearance + Bachelor's degree in Information Systems , Computer Science, or ... Systems Administrator The Opportunity: In this role, you'll... that power national-security missions. From enterprise Windows and Linux servers to virtualization, storage, and backup environments, you'll… more
    BOOZ, ALLEN & HAMILTON, INC. (12/23/25)
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  • Senior Systems Engineer

    BAE Systems (Fairview Heights, IL)
    …and Linux operating systems , preferably Red Hat Enterprise Linux (RHEL). The ideal candidate will support infrastructure deployments across multiple ... **Job Description** BAE Systems is seeking a Senior Systems ...architecture and design + Active Security Certification + Active Secret Clearance **Preferred Education, Experience, & Skills** + Bachelor… more
    BAE Systems (11/14/25)
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  • Senior Classified Systems Administrator

    The MITRE Corporation (Bedford, MA)
    …compliant, and available. The department designs, operates, and sustains classified infrastructure , including systems , networks, storage, and access controls, ... have experience in: + Patching and updating Windows and Linux (RHEL, Ubuntu) server and desktop operating systems...of related education and work experience. + Active Top Secret clearance with the ability to obtain a SCI.… more
    The MITRE Corporation (01/13/26)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Information Technology (IT) Systems , Linux ... . You will provide hands-on administration and operational support for Windows and Linux environments across both enterprise and fielded systems . This role… more
    General Dynamics Information Technology (12/18/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …is smarter. Our work depends on a ** Systems Administrators** with Linux and Windows Infrastructure experience to manage and maintain mission-critical ... for after-hours support.** **Responsibilities:** + Provides Tier II support of IT infrastructure systems and custom mission applications based on a mixed… more
    General Dynamics Information Technology (12/06/25)
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  • Virtualization Systems Administrator

    Integration Innovation, Inc. (i3) (Huntsville, AL)
    Linux environments. + Manages the functionality of servers and computers running Windows/ Linux operating systems such as (RHEL, Windows 11, Windows Server) ... virtual computing environment. + Ability to build, standardize, and configure Windows and Linux Operating Systems in various technical use cases. Preferred: +… more
    Integration Innovation, Inc. (i3) (12/09/25)
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