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# Network Infrastructure Engineer in Mundelein

- **Company:** Energy Jobline
- **Location:** Mundelein, IL, United States
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** JIRA, Catalyst (Software), Cyber Security, Data Centers, Network Security, Network Architecture, Network Monitoring, Routing, Cisco Nexus Switches, Wireshark, Diagnostic Tools, Computer Networking Systems, Identity Services Engine, Computer Network Operations, SolarWinds (Software), Cisco, Servicenow
- **Published:** October 31, 2026
- **Apply:** https://www.energyjobline.com/job/network-infrastructure-engineer-mundelein-32122073

## About the Role

The successful candidate will likely have a blend of network operations and network engineering experience, with a background supporting enterprise or mission-critical environments. They will have led network upgrades, migrations, and infrastructure projects rather than solely performing day-to-day operational support., * 5+ years of experience supporting and engineering enterprise-scale network environments.
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 * Strong hands-on Cisco networking experience including Catalyst, Nexus, wireless, and network security technologies.
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 * Expertise in enterprise routing and switching protocols
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 * Experience supporting multi-site WAN and campus network environments.
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 * Strong knowledge of network security principles
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 * Experience with Cisco ISE, Cisco DNA Center, Meraki, Palo Alto, or similar platforms.
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 * Experience using network monitoring and troubleshooting tools such as SolarWinds and Wireshark.
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 * Familiarity with ITSM platforms including ServiceNow and Jira.
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 * Strong documentation and network diagramming skills.
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 * Excellent troubleshooting and problem-solving abilities.
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 * Ability to work independently while collaborating effectively with cross-functional teams.
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## Description

Our direct client is in need of a Network Operations & Infrastructure Engineer who combines deep hands-on networking expertise with the ability to lead infrastructure modernization initiatives across a complex multi-site environment.

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This individual will be responsible for maintaining, optimizing, and evolving the firm's network infrastructure while acting as a key technical resource for routing, switching, security, wireless, and data center initiatives. The ideal candidate is equally comfortable troubleshooting production issues, designing scalable network solutions, collaborating with Information Security teams, and driving infrastructure projects from planning through execution.

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This is an opportunity to join a highly collaborative IT organization where you'll play a central role in shaping the future state of the network while ensuring stable day-to-day operations.