Chicago-Based Network Engineer — Cisco, SD-WAN & Meraki

Old Republic; Chicago (IL); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Old Republic is seeking a Network Engineer to design, deploy, and support enterprise routing and switching across data centers, offices, and subsidiaries. This hands-on role covers Layer 2/3, Cisco Catalyst, Meraki, and SD-WAN, with collaboration across IT teams to maintain performance and documentation.

You will lead end-to-end network changes, troubleshoot complex issues, and ensure secure connectivity with VPNs, cloud connections (Azure ExpressRoute), and firewall integrations.

Qualifications

• 3 to 5 years of hands-on enterprise network engineering experience.
• Strong working knowledge of BGP and OSPF in production.
• Hands-on experience with Cisco IOS-XE switching and routing platforms.
• SD-WAN experience, preferably Silver Peak / Aruba EdgeConnect.
• Hands-on experience administering Cisco Meraki, including AutoVPN.
• Knowledge of VRFs, VLANs, QoS, and high-availability.
• Experience with IPsec VPNs and hybrid cloud connectivity (Azure ExpressRoute).
• Familiarity with firewall and SSE platforms (Palo Alto, Zscaler).
• Strong troubleshooting, packet capture, and documentation skills.

Responsibilities

• Design, configure, and support Layer 3 routing including BGP/OSPF and VRF segmentation.
• Deploy and maintain Cisco Catalyst switching and Meraki devices across sites.
• Operate and expand SD-WAN fabric and branch connectivity.
• Build and maintain site-to-site VPNs and cloud connectivity (Azure ExpressRoute).
• Lead network changes end-to-end with change records and rollback plans.
• Troubleshoot complex Layer 1-3 issues and drive root cause to closure.
• Maintain DNS, DHCP, and IPAM records for routed environments.
• Produce as-built diagrams, runbooks, and build guides for subsidiaries.

Skills

BGP

OSPF

Troubleshooting

Documentation

Network security

Education

Bachelor's degree or equivalent

Tools

Cisco IOS-XE

Cisco Catalyst (9200/9300/9500)

Meraki (MX/MS/MR)

SD-WAN (Silver Peak/ Aruba EdgeConnect)

Azure ExpressRoute

Palo Alto

Zscaler

Job description

Old Republic is seeking a Network Engineer to design, deploy, and support enterprise routing and switching across data centers, offices, and subsidiaries. This hands-on role covers Layer 2/3, Cisco Catalyst, Meraki, and SD-WAN, with collaboration across IT teams to maintain performance and documentation.

You will lead end-to-end network changes, troubleshoot complex issues, and ensure secure connectivity with VPNs, cloud connections (Azure ExpressRoute), and firewall integrations.