• Mainframe Network Engineer

    Travelers Insurance Company (Austin, TX)
    …of the evaluation, configuration, security, implementation, and support of the z/ OS operating system, RACF, disk/tape storage and subsystems, and Communications ... renewals, encryption key management and activation, as well as other z/ OS supporting tools. + Evaluates systems specifications regarding customer requirements,… more
    Travelers Insurance Company (08/01/25)
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  • Professional Services III

    Amazon (Dallas, TX)
    …legacy systems and with technologies such as COBOL, JCL, CICS, DB2 for z/ OS , Assembler, PL/I, Java, REXX, flat/sequential files, GDGs, or VSAM. Amazon.com is an ... systems and with technologies such as COBOL, JCL, CICS, DB2 for z/ OS , Assembler, PL/I, Java, REXX, flat/sequential files, GDGs, or VSAM.#0000 Preferred… more
    Amazon (07/29/25)
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  • Senior, Software Engineer

    Walmart (Dallas, TX)
    …develop, and deliver intuitive embedded UI interfaces and applications on the Vizio OS /TV platform. Join our dynamic team and drive innovation in video ad insertion ... develop, and deliver high-quality embedded UI interfaces/applications on the Vizio OS /TV platform. Collaborate with UX designers, software engineers, and other… more
    Walmart (07/24/25)
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  • Engineering Lead Analyst

    Citigroup (Irving, TX)
    …Productivity Facility (ISPF), and Spool Display Service Facility (SDSF); Working on z/ OS operating system with Unix System Services (USS) and zSeries(R) File System ... (REXX), Common Business Oriented Language (COBOL), or Assembler) on the z/ OS operating system. 40 hrs./wk. Applicants submit resumes at https://jobs.citi.com/ .… more
    Citigroup (07/24/25)
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  • Vulnerability Researcher/CNO Developer (Onsite)

    Nightwing (San Antonio, TX)
    …C++ 3 or more of the following desired skills Desired Skills + Understanding of OS Internals (any major OS ) + Experience reading or writing assembly (x86, x64, ... ARM, PPC, MIPS, SPARC, 68k, or others) + Experience developing embedded systems + Understanding of network protocols (TCP/IP stacks, wire-level protocols, RF communications, BGP, routing protocols, or others). + Understanding of exploit mitigations such as DEP… more
    Nightwing (07/24/25)
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  • Senior Software Engineer (DB2 DBA)

    Citigroup (Irving, TX)
    …and compliance requirements related to data security and access control. + Manage OS upgrades and minimize their impact on database systems. + Maintain expertise in ... management, FID/Policy access management, and audit/compliance requirements. + Experience managing OS upgrades and their impact on database systems. + Excellent… more
    Citigroup (07/23/25)
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  • Linux Systems Administrator SME

    GovCIO (San Antonio, TX)
    …Responsibilities + Responsible for server operations inclusive of hardware, operating system ( OS ), and utilities on the server. + Has expertise in one or ... + Analyzes and fixes performance issues related to networking and OS and provides application upgrades. + Responsible for configuration management, monitoring,… more
    GovCIO (07/21/25)
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  • VMware Zabbix Systems Administrator

    GovCIO (San Antonio, TX)
    …TX. **Responsibilities** + Responsible for server operations inclusive of hardware, operating system ( OS ), and utilities on the server. + Has expertise in one or ... + Analyzes and fixes performance issues related to networking and OS and provides application upgrades. + Responsible for configuration management, monitoring,… more
    GovCIO (07/21/25)
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  • Software Engineer

    Butler America (Fort Worth, TX)
    …Engineering/Science related discipline * Experience using C++ * Experience with Red Hat Linux OS Kernel * Experience with XML based open standards * Agile ... * Experience using C++ * Experience with Red Hat Linux OS Kernel * Experience with XML based open standards * Open Systems Architecture Development Butler… more
    Butler America (07/13/25)
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  • Project Field Tech Engineer

    Hoffman Construction Company (Amarillo, TX)
    …routers, switches, WAPs, etc. + In depth knowledge of Microsoft Windows Desktop OS , Server OS & O365 applications + Strong analytical and problem-solving ... skills + Must be able to work multiple tasks and between a variety of environments + Must be a strong team player, self-starter, flexible and be able to work well with a variety of personalities, with minimal instruction, and minimal direct supervision + Must… more
    Hoffman Construction Company (07/11/25)
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