• Systems Administrator ( Linux

    RTX Corporation (Mckinney, TX)
    …intelligent solutions for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a ... highly collaborative, multi-platform and multi-disciplined environment. The Systems Administrator is required to have an...Administration in a heterogeneous Redhat 7 & 8 Enterprise Linux environment. + Understanding and knowledge of Linux more
    RTX Corporation (12/02/25)
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  • Software Systems Integrator

    L3Harris (Greenville, TX)
    …TX and Rockwall,TX Schedule: 9/80 Job Description: L3Harris is seeking a hybrid Windows/ Linux Systems Administrator to support Mission System integration in ... Essential Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows, and Network operations +… more
    L3Harris (12/04/25)
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  • Principal Linux Administrator (Top…

    RTX Corporation (Richardson, TX)
    …RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure ... and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security policies specific to … more
    RTX Corporation (12/12/25)
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  • Multi Cloud Linux Engineer

    NTT America, Inc. (Plano, TX)
    …Responsibilities** **Cloud Linux Operations & Support** Provide support for Linux -based systems across on-premises and cloud environments (AWS, Azure, GCP, ... Skills** In-depth expertise in provisioning, configuring, securing, supporting, and optimizing Linux -based systems (RHEL, CentOS, Ubuntu, etc.) in enterprise… more
    NTT America, Inc. (10/02/25)
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  • PDM/PLM Application Administrator

    RTX Corporation (Plano, TX)
    …technologies, tools, or methodologies: PTC Windchill, Oracle database, Apache web server, Linux & Windows server operating systems , Shell scripting, CAD tools ... security clearance​ **Security Clearance:** Top Secret - Current **Application System Administrator (PDM/PLM - Windchill) - Active TS Clearance required** **Business… more
    RTX Corporation (11/24/25)
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  • Senior Specialist, Network Systems Engineer

    L3Harris (Greenville, TX)
    …cyber domains in the interest of national security. Job Title: Senior, Network Systems Engineering Job Code: 31328 Job Location: Greenville, Texas Schedule: 9/80 Job ... Description: The Senior Specialist, Systems Engineering - Network Engineer (NE) performs technical planning,...Professional (ACE-P) + Palo Alto Networks Certified Network Security Administrator (PCNSA) + Current Top Secret security clearance +… more
    L3Harris (12/03/25)
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  • Principal Engineer - Endpoints

    Toyota (Plano, TX)
    …engineering, or a related IT role + Proven experience managing multiple operating systems (Windows, macOS, Linux /Unix, iOS, Android) and diverse environments at ... of this role is to configure, install, maintain and upgrade computer systems hardware and software, administer and maintain security of operating systems more
    Toyota (11/22/25)
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  • Site Reliability Engineer

    Cisco (Richardson, TX)
    …or Certified Kubernetes Security Specialist (CKS). + You have a good understanding of linux systems (network stack, file system, OS services) and networking (L2 ... golang (go) or python. Knowledge of working with and automating linux systems tasks using this language is required, including working with configuration… more
    Cisco (11/27/25)
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  • Database Engineer II (Onsite)

    RTX Corporation (Richardson, TX)
    …Management Systems (RDBMS) solutions, such as Oracle. + Experience working with Systems and Software. + Experience using Linux command line to perform ... (STEM) and a minimum of 2 years of Database Engineering experience. + Experience with Database Administrator (DBA) duties. + Experience with Relational Database… more
    RTX Corporation (10/15/25)
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