> Markdown version of [/jobs/ext/4625871-systems-administrator-i](https://www.wearedevelopers.com/jobs/ext/4625871-systems-administrator-i). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Administrator I - **Company:** The Cortina Companies - **Location:** Franklin Park, IL, United States - **Experience:** Experienced - **Salary:** $75,000 - $85,000 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Backup Devices, Business Software, Dynamic Host Configuration Protocol, Desktop Computing, Disaster Recovery, Domain Name System (DNS), Multi-Factor Authentication, Hyper-V, Virtual Private Networks (VPN), Windows Servers, Network Architecture, Networking Cables, Network Connections, Azure Active Directory, Software Deployment, TCP/IP, Virtual Local Area Networks, Wireless Access Point, Wireless Networks, Wi-Fi Technology, Office365, Software Troubleshooting, Firewalls (Computer Science), Patch Management, Laptops, Fortinet, Cisco, User Accounts, Vmware - **Published:** November 7, 2026 - **Apply:** https://www.juju.com/job/2_174259265 ## About the Role * 3+ years of System Administration, Infrastructure, or IT Support experience * Working knowledge of Windows Server, Windows workstations, Active Directory, & Microsoft 365 * Working knowledge of TCP/IP, DHCP, DNS, Wi-Fi, switches, VPNs, & wireless networking * Experience troubleshooting software, network connectivity, & hardware such as computers, printers & phones * Ability to lift & install IT equipment & work with network cabling when needed * Understanding of backup, disaster recovery, & cybersecurity best practices * Work independently with strong troubleshooting, problem-solving & multi-tasking skills * Valid driver's license & ability to drive between company facilities PREFERRED KNOWLEDGE/SKILLS: * Microsoft infrastructure technologies, including Entra ID (Azure AD), VMware, and Hyper-V virtualization * Cisco or Fortinet networking/firewalls, VLAN configuration and managed switches * Backup, disaster recovery, endpoint security & cybersecurity xrbllit systems/solutions * Manufacturing, warehouse, or industrial IT environments ## Description * Provide day-to-day technical support for employees across multiple locations * Install, configure, troubleshoot, and maintain desktops, laptops, printers, scanners, mobile devices, Microsoft 365 applications, & other end-user technologies * Create, modify, & manage user accounts, permissions, email services, Teams, and file-sharing platforms in accordance with company policies * Assist with the administration & maintenance of Windows servers, Active Directory, backups, business applications, & routine system updates * Troubleshoot & support network infrastructure, including Wi-Fi, VPN connectivity, switches, wireless access points, racks, & structured cabling * Perform software installations, patch management, hardware upgrades, & preventative maintenance activities * Support cybersecurity initiatives like endpoint protection, multi-factor authentication, & security best practices * Maintain IT inventory, asset records, & technical documentation * Assist with technology projects, equipment deployments, & infrastructure improvements * Take ownership of issue resolution, escalating complex problems when necessary