• 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. (01/07/26)
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  • Systems Administration

    NTT DATA North America (Mahwah, NJ)
    …inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Systems Administration Specialist to join our team in Mahwah, ... - Hybrid in Mahwah, NJ** **Job Description:** **Middleware administrator with Linux background** - Installation, configuration and maintenance of IBM Websphere… more
    NTT DATA North America (01/14/26)
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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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  • 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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  • Senior Specialist , Cyber Infrastructure…

    L3Harris (Broomfield, CO)
    …principles into ground-up builds and ongoing security administration . + Integrate Linux and Windows systems within a unified IDM/Active Directory Domain and ... in the interest of national security. Job Title: Senior Specialist , Cyber Infrastructure Systems Engineer Job Code:...with a solid understanding of basic networking principles and Linux administration . This role requires a hands-on… more
    L3Harris (12/26/25)
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  • Information Technology Specialist 2…

    New York State Civil Service (Latham, NY)
    …application and/or database team(s) to assist in installation and configuration of their software.- Linux systems and servers may require a high level of risk ... an ITS3 (G23) within the Data Center Services (DCS) Linux Unit, the Information Technology Specialist 2...you will be required to install, configure, and maintain Linux operating systems for several state agencies.… more
    New York State Civil Service (01/07/26)
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  • Specialist , Systems Engineer…

    L3Harris (Offutt AFB, NE)
    …or Security+ certification + Familiarity with LINUX and UNIX-based operating systems using command line and Oracle database administration + Active Top ... land, sea and cyber domains in the interest of national security. Job Title: Specialist , Systems Engineer - RC-135 Computer Systems Administrator Job Code:… more
    L3Harris (01/10/26)
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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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  • 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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  • 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. (12/30/25)
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  • Computer Specialist Series

    MTA (Queens, NY)
    …two years of satisfactory full-time computer software experience in computer systems development and analysis, applications programming, database administration , ... Computer Specialist Series Job ID: 14062 Business Unit: New...skills in managing user permissions, software installation, and troubleshooting Linux -based systems + Familiarity with scripting languages… more
    MTA (01/03/26)
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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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  • 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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  • 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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  • 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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