• System Test Engineer

    CACI International (Lisle, IL)
    System Test Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: ... Under direct supervision, test software in various aspects of IP/telecommunication systems on multiple hardware platforms utilizing Linux and/or Unix-based operating… more
    CACI International (06/25/25)
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  • Sr Lead IT Systems Security Engineer

    Lumen (Springfield, IL)
    …services or Internet settings. + Strong knowledge of Unix-based operating systems (Linux, Solaris ). Experience with virtualization technologies (VMWare, Red ... shape the future. **The Role** The Senior Lead IT Systems Security Engineer is a critical role within our...for overseeing and enhancing the security of our IT systems . This position requires a highly skilled and experienced… more
    Lumen (07/03/25)
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  • Voice and Mobility Technician

    SAIC (Scott AFB, IL)
    …maintenance, installing cabling and resolving repair issues. + Undertaking telecommunications systems upgrades and answering queries related to system controls ... to facilitate the operations and modernization of the combatant command's infrastructure, systems , and applications. This support will be provided to the USTC… more
    SAIC (06/03/25)
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  • Senior Technical Support Engineer

    Rocket Software (Springfield, IL)
    …Secret. + Operating systems : IBM z/OS, Windows, Red Hat Linux, Sun Solaris . + Knowledge of Network topology. + Knowledge/experience with the following is a plus: ... or VSAM. + SQL, Data Virtualization, CDC + Operating system knowledge: Windows, Unix, Linux. + Database knowledge in...knowledge: Windows, Unix, Linux. + Database knowledge in open systems (Windows, Unix, Linux) and cloud solutions. + Possess… more
    Rocket Software (07/04/25)
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  • Senior Infrastructure Architect

    Ensono (Chicago, IL)
    …storage area networks, virtualization, server hardware, mainframe, operating systems , networking, business applications, and security infrastructure to help ... (situational) + ITSM + Mainframe - IBM + Open systems **Preferred Qualifications** + Detailed knowledge of Ensono products....Physical Servers and Blade Technology + Unix (RHEL, AIX, Solaris , HPUX, LDAP) + Microsoft (AD, Windows, Sharepoint, DNS)… more
    Ensono (06/25/25)
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  • Lead IT Infrastructure Engineer

    Lumen (Springfield, IL)
    …of this position is to serve as a Linux and virtual infrastructure system administrator, for both on-premise and cloud based infrastructure. Primary functions are to ... etc.) administration + Minimum of 6 years of experience with Unix ( Solaris , HP-UX, etc.) administration + Experience with automation and orchestration technologies… more
    Lumen (07/15/25)
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