• Information System Security Engineer…

    Amentum (San Antonio, TX)
    …Security, & Intel space? If so, look no further. Amentum is seeking an Information System Security Engineer - Senior to join our team of passionate individuals ... for transformative change. **Responsibilities:** The duties and responsibilities of the Information System Security Engineer - Senior include, but are not… more
    Amentum (08/29/25)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    …Qualifications:** * Proficient with Windows and Linux /Unix operating systems configuration and troubleshooting\. * IT System /Software Troubleshooting ... related discipline, or equivalent experience/combined education **Desired Skills:** * Systems administration experience with servers and network… more
    Lockheed Martin (07/26/25)
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  • Senior Information Security System

    Citigroup (Irving, TX)
    …**Qualifications:** + 6+ years of relevant experience + BS/CS - or equivalent experience + Administration of Linux and Splunk + Strong understanding of Linux ... growth and progress together. The Info Sec Tech Lead Analyst is a senior level professional position responsible for driving efforts to prevent, monitor and respond… more
    Citigroup (08/23/25)
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  • Senior Information Systems Engineer…

    RTX Corporation (Mckinney, TX)
    …Mathematics (STEM) + Minimum five (5) years of relevant experience + Experience with systems administration of Linux , Networking, and/or Windows (in desktop ... RedHat Satellite Servers + Troubleshooting ability with all Microsoft Windows and Linux systems + Customer service and training skills, including oral… more
    RTX Corporation (09/13/25)
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  • Senior IT System Administrator/…

    Amentum (Houston, TX)
    …+ ** System Administration :** Proven experience administering Windows 2019+/ Linux systems in a complex environment. + **Solution Design:** Develop ... Analyst** will: We are seeking a skilled and experienced ** Senior Systems Analyst** to join our IT...translate them into detailed technical requirements and specifications. + ** System Analysis:** Analyze existing systems and processes… more
    Amentum (09/22/25)
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  • Senior Information Systems Security…

    RTX Corporation (Richardson, TX)
    …investigations, or Border Patrol + Project or program management, office management, senior administration , or account management **Qualifications We Prefer** + ... that create a safer, more secure world. Our cybersecurity team is seeking a ** Senior Information Systems Security Officer (ISSO) II** to support our team **100%… more
    RTX Corporation (08/29/25)
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  • Senior Software/ System Architect

    TISTA Science and Technology (Austin, TX)
    …implementing, and managing automation solutions using Ansible. + Hands-on knowledge of Linux administration in cloud environments. + Strong scripting skills in ... Overview Are you a Senior Software/ System Architect who would like...experience in high volume and high availability networks and systems . + Experience in creating and conveying to team… more
    TISTA Science and Technology (09/05/25)
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  • Senior Endpoint Security Engineer

    AIG (Dallas, TX)
    …. + Intermediate to Expert level knowledge on Windows & Active Directory, Unix/ Linux Operating Systems . + Good scripting knowledge using PowerShell, Python, ... help customers to manage risk. Join us as a Senior Endpoint Security Engineer to play your part in...excellence. The team is responsible for shielding the company's systems from security risks, while designing technology strategies that… more
    AIG (08/27/25)
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  • Senior IT Manager (Windows Server)

    Fiserv (Irving, TX)
    …in designing, installation, configuration, administration and troubleshooting of Windows/ Linux Infrastructure and systems security in a fast-paced, high-tech ... across multiple Datacenters. Some of those duties include 24X7 systems administration , compliance management, immediate response, and/or investigation… more
    Fiserv (09/12/25)
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  • Network Support Technician - Senior

    General Dynamics Information Technology (Killeen, TX)
    …and garrison sites + Perform server and desktop installation, basic cabling + Perform systems administration of desktop and server systems connected to local ... monitoring, security, operating system (OS) installation, and other local area system administration related functions + Be capable of running an entire… more
    General Dynamics Information Technology (09/16/25)
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