Network and Systems Administrator

Position Summary

The Network & Systems Administrator is responsible for supporting and maintaining the organization’s network, cloud, hardware, software, cybersecurity, and end-user technology environment. This is a hands-on, on-site position based in Naperville, Illinois, supporting both local and remote employees.

The position provides technical support across Microsoft Azure, Windows, Microsoft 365, Active Directory, network infrastructure, endpoint security, and Dell desktop and laptop systems. The Network & Systems Administrator will ensure employees have reliable and secure access to the systems, equipment, and resources needed to perform their work.

Essential Duties and Responsibilities

• Administer and support Microsoft Azure, Windows, Microsoft 365, and Active Directory environments.
• Create, modify, and deactivate employee accounts, permissions, security groups, and system access.
• Set up and configure laptops and desktops for new employees, including software, email, Microsoft 365, security applications, and network connectivity.
• Support Dell desktops, laptops, docking stations, monitors, and related equipment.
• Diagnose hardware issues and perform upgrades, including adding or replacing memory and other computer components.
• Administer and support endpoint monitoring and management through NinjaOne.
• Support and monitor endpoint cybersecurity protection using CrowdStrike.
• Configure, maintain, and troubleshoot Cisco Meraki routers, switches, wireless access points, firewalls, and related network equipment.
• Support Comcast internet and telecommunications services and coordinate with service providers when troubleshooting outages or connectivity issues.
• Install, renew, configure, and troubleshoot SSL certificates and secure connections.
• Troubleshoot LAN, WAN, Wi-Fi, VPN, DNS, DHCP, internet, and other connectivity issues.
• Configure and support secure connectivity for employees working remotely.
• Monitor network and system performance and proactively identify security, capacity, connectivity, and equipment concerns.
• Apply operating system, software, firmware, and security updates and patches.
• Maintain device inventory and assist with equipment deployment, replacement, upgrades, and retirement.
• Troubleshoot Microsoft 365 applications, Windows operating systems, email, printers, and other end-user technology issues.
• Provide responsive technical support to employees with varying levels of technical knowledge.
• Maintain documentation related to network configurations, user access, equipment, procedures, licenses, and IT assets.