• Senior Network Engineer

    ManTech (San Antonio, TX)
    …high network availability with minimum downtime. + Enhance and maintain network security by managing the LAN/WLAN - WAN barrier systems to prevent unauthorized ... access. + Configure and manage critical security infrastructure, including network firewalls, VPN devices, and Intrusion...such items as current supported versions of Microsoft OS, Windows Active Directory, UNIX and OpenVMS and employ routers,… more
    ManTech (12/30/25)
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  • Associate, Software Engineer (Greenville, TX)

    L3Harris (Greenville, TX)
    …space, air, land, sea and cyber domains in the interest of national security . Job Title: Associate, Software Engineer Job Location: Greenville, TX Job Description: + ... C#, C, Java, Ruby, HTML5, XML, SQL, Perl, Python, Ajax, Qt) on Windows , Linux, mobile platforms, and/or embedded real time operating systems (VxWorks, Linux, QNX,… more
    L3Harris (12/21/25)
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  • Cloud Engineer III

    Sierra Nevada Company, LLC (Plano, TX)
    The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and ... change control processes, and ensuring that services meet SLA and security compliance requirements. Additionally, you will collaborate closely with teams in… more
    Sierra Nevada Company, LLC (10/24/25)
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  • Middleware Team Lead

    GovCIO (Austin, TX)
    …SW products and operating system configuration in LINUX, UNIX and Windows environments. Once deployed, responsible for maintaining the infrastructure to meet ... as new installations of mid-tier infrastructure. Responsible for developing security standards in the mid-tier and ensuring all systems...RDBMS is a plus. + Knowledge of UNIX and Windows administrations skills. + Knowledge of Python and PowerShell… more
    GovCIO (12/25/25)
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  • System Administrator Intermediate (PS)

    BEAT LLC (San Antonio, TX)
    …Microsoft Certified: Azure Administrator Associate or Microsoft Certified: Windows Server Hybrid Administrator Associate Position Description: The Tier ... standardized operating system builds. By integrating OS imaging with enterprise security requirements and modern cloud-native deployment models, this role enables… more
    BEAT LLC (12/21/25)
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  • Systems Administrator

    Robert Half Technology (Boerne, TX)
    …individual with expertise in managing diverse operating systems, ensuring system security , and driving automation processes. The ideal candidate will possess strong ... * Oversee the administration and maintenance of multiple operating systems, including Windows Server, Windows 10/11, Linux, macOS, and Chrome OS. *… more
    Robert Half Technology (12/06/25)
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  • Information Technology Administrator

    Robert Half Technology (San Antonio, TX)
    …network management, and automation while maintaining compliance with security standards. Responsibilities: * Provide advanced-level technical support for ... Windows , Mac, and Linux systems, addressing issues both remotely...routers, switches, VPNs, and failover systems to ensure network security and reliability. * Implement and maintain cloud-based tools… more
    Robert Half Technology (12/04/25)
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  • Technical Application Manager

    CBRE (Dallas, TX)
    …and collaborating with internal and external auditors. + Implementing and maintaining security measures to protect sensitive data and stay in sync with industry ... provisioning, access reviews, and implement comprehensive audit controls to ensure security and compliance. + Develop a detailed operational framework, defining… more
    CBRE (11/27/25)
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  • Systems Engineer / System Administrator…

    Straight Edge Technology, Inc. (Corpus Christi, TX)
    …System Administrator that is Humble, Hungry, and Smart! Do you want to work at a Security focused MSP that is growing, an MSP that has a framework to build processes ... critical infrastructure and ensuring the highest levels of availability, performance and security . Qualified systems engineers will have a background in IT, computer… more
    Straight Edge Technology, Inc. (11/22/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Austin, TX)
    …and upgrades; monitors and reviews logs; applies appropriate operating system security measures; designs and implements high availability solutions and plans data ... of projects. + Designs, implements and performs UNIX authentication and security audits while providing solutions and remediation for identified discrepancies. +… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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