On‑Site Network Infrastructure Engineer (CCNA) | 24/7 Support

Net56, Inc.; Barrington (IL); On-site; USD 85,000 - 120,000; Full time

Job summary

Net56, Inc. in Barrington, IL seeks a Network Infrastructure Engineer to support and maintain client and internal network systems, ensuring uptime and security.

This on-site role requires hands-on troubleshooting, site visits, monitoring, and clear communication with clients and the NOC team. Responsibilities include configuring Cisco/HP switches, routers, VMware/Hyper‑V servers, and FortiGate/Meraki devices; documenting changes in ConnectWise; and participating in after-hours support and

Qualifications

• CCNA certification required or in progress.
• Strong experience with Cisco/HP switches and firewalls.
• VMware vCenter and Hyper‑V server virtualization knowledge.

Responsibilities

• Act as first point of contact for client network issues and outages.
• Respond to on-premises outages with on-site travel when needed.
• Monitor networks, maintain inventory, and document firmware/software versions.
• Configure Cisco/HP switches, routers, and related devices; manage credentials and access.
• Document processes and changes in ConnectWise and coordinate with internal teams.

Skills

Troubleshooting

Communication

CCNA knowledge

Education

CCNA certification

Tools

Cisco switches

HP switches

VMware vCenter

Hyper-V

Linux

FortiGate firewalls

Meraki

Juniper Mist

Job description

Net56, Inc. in Barrington, IL seeks a Network Infrastructure Engineer to support and maintain client and internal network systems, ensuring uptime and security.

This on-site role requires hands-on troubleshooting, site visits, monitoring, and clear communication with clients and the NOC team. Responsibilities include configuring Cisco/HP switches, routers, VMware/Hyper‑V servers, and FortiGate/Meraki devices; documenting changes in ConnectWise; and participating in after-hours support and