Systems Administrator I

The Cortina Companies; Franklin Park (IL); On-site; USD 75,000 - 85,000; Full time

Job summary

The Cortina Companies in Illinois seek an experienced IT Systems Administrator to support employees at Franklin Park and Aurora locations. The role covers end-user computing, AD/M365 management, and network troubleshooting.

You will administer Windows servers, backups, and security practices; install and maintain hardware; and collaborate on technology projects. Travel between sites is required. Salary $75,000–$85,000 yearly.

Qualifications

• 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

Responsibilities

• Provide day-to-day technical support for employees across multiple locations
• Install, configure, troubleshoot, and maintain desktops, laptops, printers, scanners, mobile devices, M365 apps, & other end-user technologies
• Create, modify, & manage user accounts, permissions, email services, Teams, and file-sharing platforms
• Assist with administration & maintenance of Windows servers, Active Directory, backups, business apps, & routine system updates
• Troubleshoot & support network infrastructure, including Wi‑Fi, VPN connectivity, switches, wireless APs, racks, & cabling
• Perform software installations, patch management, hardware upgrades, & preventative maintenance
• Support cybersecurity initiatives like endpoint protection, MFA, & security best practices
• Assist with technology projects, equipment deployments, & infrastructure improvements
• Take ownership of issue resolution, escalating complex problems when necessary

Skills

Windows Server

Active Directory

Microsoft 365

TCP/IP

VPN

Wi‑Fi

Multi-tasking

Driver's license

Tools

Azure AD / Entra ID

VMware

Hyper‑V

Cisco/Fortinet networking

VLANs and switches

Job description

KEY RESPONSIBILITIES/ESSENTIAL JOB FUNCTIONS

• 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
• Assist with technology projects, equipment deployments, & infrastructure improvements
• Take ownership of issue resolution, escalating complex problems when necessary

POSITION REQUIRMENTS:

• 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 systems/solutions
• Manufacturing, warehouse, or industrial IT environments

WORK ENVIRONMENT/ PHYSICAL REQUIREMENTS:

• Regular Business Hours, Monday-Friday
• In office with moderate noise levels & prolonged computer use. Occasional presence in non‑climate‑controlled, high‑noise production & warehouse areas where appropriate PPE must be worn
• Hands‑on position requiring system administration & physical IT support for Franklin Park & Aurora locations
• Compensation: $75,000 - $85,000

This Job Description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee and may be revised at any time by the Company.