• Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). ... related applications. Design, configure, implement, and maintain the secure operating systems , networks, and applications for the SPF classified NSS. **Position… more
    DirectEmployers Association (11/22/25)
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  • Network Administrator

    Morris Hospital (Morris, IL)
    + DESCRIPTION OF POSITION + The Network Administrator works under the direction of the Sr. Network Administrator and Director of Information Technology ... Infrastructure and Operations. The Network Administrator will work with IT and...Voice Systems , Cell Phones, faxing technologies, Cisco Network Systems -LAN/WAN/Wi-Fi/ACI, Nurse Call Systems ,… more
    Morris Hospital (12/11/25)
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  • Project Engineer - Internal IT

    Proven IT (Tinley Park, IL)
    …of project execution - including system design, server configuration, and network integration - while ensuring performance, security, and scalability. Ideal ... Proxmox), and hybrid cloud environments. + Design and implement advanced network solutions including firewalls, routing, switching, VLAN segmentation, VPNs, SD-WAN,… more
    Proven IT (11/07/25)
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  • Tier 3 Engineer

    Proven IT (Tinley Park, IL)
    …Type Full-time Description The Tier III Engineer is responsible for server, network , application, and virtual CIO support related to technical troubleshooting and ... Tier III Engineer has an expert understanding of the hardware, software and systems that the customer has on site. Responsibilities will range from support,… more
    Proven IT (11/19/25)
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  • Tier 2 Engineer

    Proven IT (Tinley Park, IL)
    …diagnostics and qualifying questions over the phone + Solves complex system and network problems using logic and knowledge + References and contributes to Proven IT ... to solve client issues + Tier II assists in server administration, network backups, installs, and special projects + Supports wireless access points, switches,… more
    Proven IT (10/30/25)
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  • SiteOps Data Center Production Operations Engineer

    Meta (Aurora, IL)
    …IT experience within an infrastructure environment, in a role such as Systems Administrator , DevOps Engineer, or Site Reliability Engineer 19. Intermediate-level ... the data center, ranging from automated tooling to hardware failures and network issues 3. Collaborate with cross-functional teams on projects and initiatives… more
    Meta (12/20/25)
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