• Specialist , Systems

    L3Harris (Melbourne, FL)
    …land, sea and cyber domains in the interest of national security. Job Title: Specialist , Systems Administration Job Code: 32348 Job Location: Melbourne, FL ... and service level agreements. + Manages and directs proactive and reactive systems administration activities to ensure the availability, integrity, and… more
    L3Harris (12/21/25)
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  • Senior Systems Administrator - Windows/…

    ManTech (Fairmont, WV)
    …seeks a motivated and customer-oriented **Senior Systems Administrator - Windows/ Linux Dual-Stack Specialist ** to join our team in **Boulder, CO** ... Linux environments. + Lead efforts to integrate Linux systems into the overall IT architecture...+ Bachelor's degree and 4+ years of experience in Systems Administration , with demonstrated expertise in both… more
    ManTech (11/05/25)
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  • Senior Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …other classified environments. Key Responsibilities: + Install, configure, and maintain Linux /Unix operating systems across physical and virtual server ... GSEC certification required + At least 8 years of hands-on experience administering Linux /Unix systems in secure or enterprise environments + Proficiency with… more
    S4 Inc. (10/08/25)
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  • HPC Systems Administration

    Argonne National Laboratory (Lemont, IL)
    …, tools, and software stacks. **Position Requirements** + Strong background in Linux systems administration , including cluster management, performance ... SDKs like MPI, CUDA, BLAS, or FFTW + Familiarity with version control systems for managing configurations and custom package definitions + Knowledge of the… more
    Argonne National Laboratory (12/24/25)
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  • Sr. Specialist , System…

    L3Harris (Clifton, NJ)
    systems administration skills with extensive knowledge of Windows and Linux desktop operating systems , as well as Windows server operating systems ... in the interest of national security. Job Title: Sr. Specialist , System Administration Job Code: 31015 Job...and server systems , performing all levels of systems administration tasks, and ensuring the configuration,… more
    L3Harris (11/08/25)
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  • Specialist , System Administration

    L3Harris (Rochester, NY)
    …degree, minimum of 8 years of prior related experience. + 4 years of Windows or Linux systems administration experience. + 1 year of experience with VMWare ... Administrator responsible for maintaining, managing, configuring, and troubleshooting Windows and/or Linux systems in secure program areas. Duties include… more
    L3Harris (12/04/25)
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  • Information Technology Specialist 4…

    Iowa Department of Administrative Services (Des Moines, IA)
    …an after-hours call-back list for on-call support, resolving issues related to databases, Linux systems , and application servers as needed. + Manage server and ... (JDK) on Linux servers to maintain application compatibility. + System Administration + Support the reverse proxy servers for secure access to applications. +… more
    Iowa Department of Administrative Services (12/09/25)
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  • Video Management System (VMS) Systems

    M. C. Dean (Atlanta, GA)
    …engineering, and cybersecurity industries. We are seeking a **Video Management System (VMS) Systems Specialist 2** to join our Security and Electronic Systems ... and engineering team + Using advanced knowledge of networking principals and system administration skills to troubleshoot systems and operating systems +… more
    M. C. Dean (11/28/25)
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  • Sr. Specialist , Network Systems

    L3Harris (Greenville, TX)
    …and cyber domains in the interest of national security. Job Title: Sr. Specialist , Network Systems Engineering Job Code: 32043 Job Location: Greenville, Texas ... technical planning, system integration, verification and validation, and troubleshooting for total systems and or subsystems. The Sr. Specialist NE is part… more
    L3Harris (12/12/25)
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  • Senior IT Support & Executive Services…

    3D Systems, Inc. (Rock Hill, SC)
    …* We are seeking a highly skilled*Senior IT Support & Executive Services Specialist *to provide dedicated IT support to our executive leadership team in a fast-paced ... point for complex technical issues, ensuring seamless operation of critical systems , networks, and applications. The ideal candidate combines advanced technical… more
    3D Systems, Inc. (12/19/25)
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  • Cyber Defense Specialist

    Trace Systems Inc (Shaw AFB, SC)
    …Location: Shaw AFB, SC This position is pending contract award. Job Responsibilities Trace Systems is seeking a dynamic Cyber Defense Specialist to join our team ... AFC, SC. This role offers the opportunity to management, administration and implementation of cybersecurity Mission Defense programs to...source code, malware, trojans); + Conduct analysis of host systems (Windows and Linux ) for indications of… more
    Trace Systems Inc (11/14/25)
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  • Specialist , Info Security Systems

    L3Harris (Broomfield, CO)
    …sea and cyber domains in the interest of national security. Job Title: Specialist , Information Security Systems Engineer Job Code: 31060 Job Location: ... Boulder/North Denver, CO Job Schedule: 9/80 Job Description: Applies current systems security engineering methods, practices and technologies to the architecture,… more
    L3Harris (11/12/25)
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  • Sr. Specialist Systems Engineer

    Waystar (Louisville, KY)
    …and infrastructure in enterprise datacenter environments + Advanced proficiency with both Linux and Windows Server administration and support + Proven ability ... hardware and software. This role will be responsible for working with the Systems Engineering Manager to design, develop, configure, and document existing, as well… more
    Waystar (11/03/25)
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  • WMS Technical Support Specialist

    City of New York (New York, NY)
    …WMS Front-End application. - Successfully schedule 2000-3000 batch runs daily; perform Unix/ Linux System Administration functions to support new installation and ... is comprised of the administrative units of the New York City Human Resources Administration (HRA) and the Department of Homeless Services (DHS). HRA is dedicated to… more
    City of New York (11/07/25)
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  • DevOps Application Specialist

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …with Poly highly desired * Operating Systems : Strong understanding of Linux fundamentals and system administration . * Cloud Platforms: Experience with major ... **DevOps Application Specialist ** **Category:** Project Management **Main location:** United States,...desired * Operating Systems : Strong understanding of Linux fundamentals and system administration . * Cloud… more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • SURTASS Field Support Team (FST) Network…

    V2X (Virginia Beach, VA)
    …other network technologies. + Five years of combined experience in the management, administration , maintenance, and repair of UNIX / LINUX and Windows-based ... is seeking an experienced Field Support Team (FST) Network Specialist to work at the Integrated Undersea Surveillance System...server and router configuration and management. + UNIX / LINUX based processing systems management. + Application… more
    V2X (12/04/25)
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  • Senior Azure System Specialist

    The Boeing Company (Hazelwood, MO)
    … with expertise in Azure and cloud environments. The selected candidate will support Linux and Windows administration and work with automation tools, focusing on ... cloud infrastructure, ensuring optimal performance and security + Administer Linux and Windows operating systems in hybrid...etc. + 5+ years of experience in performing system administration tasks on Windows and Linux hosts… more
    The Boeing Company (12/25/25)
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  • Cyber Security Specialist

    Evertec Group, LLC (IA)
    …Network Devices, DB, etc.), and analyzes the findings. Special focus on Unix and Linux systems . *Able to create and maintain scan policies/templates according to ... Cyber Security Specialist Colombia - Medellin Responsabilidades Generales *Designs and...three (3) years of experience working in Cyber Security, Windows/UNIX/ Linux /Network Devices Administration , Cloud Security, PCI DSS,… more
    Evertec Group, LLC (11/22/25)
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  • PDM/PLM Application Administrator (Windchill)…

    RTX Corporation (Plano, TX)
    …(DT) Engineering Digital Solutions (EDS) group is seeking a motivated Business Systems & Transformation Technologist (Principal Specialist ). This candidate will ... field and minimum 3 years' experience + Experience with Linux /Unix commands, operations, and administration + Experience...or methodologies: PTC Windchill, Oracle database, Apache web server, Linux & Windows server operating systems , Shell… more
    RTX Corporation (11/24/25)
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  • SURTASS Operations & Maintenance (O&M) Technician…

    V2X (Reston, VA)
    …network technologies. + Two years of combined experience in the management, administration , maintenance, and repair of UNIX/ LINUX and Windows based computer ... As an O&M Technician Crewmember - Communications & Network Specialist of the SURTASS team, you will be responsible...server and router configuration and management. + UNIX / LINUX based processing systems management. + Other… more
    V2X (11/13/25)
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