Network Security Engineer

  • Mount Prospect, IL
  • Posted 11 hours ago | Updated 11 hours ago

Overview

On Site
Depends on Experience
Full Time

Job Details

Seeking a Senior Network Security Engineer to spearhead a major network infrastructure standardization and security initiative. This is a unique opportunity for a highly autonomous and experienced engineer to own and redefine the network strategy for a multi-site enterprise. The ideal candidate will leverage their deep technical expertise in firewalls, hybrid cloud networking, and security to drive significant, long-term operational improvements.

Key Responsibilities

  • Network Standardization: Lead a year-long project to evaluate, clean up, and standardize all network architecture, including IP subnetting and VLAN configurations, across multiple physical locations.

  • Security and Monitoring: Manage day-to-day firewall maintenance, review security logs, and implement a Security Information and Event Management (SIEM) solution to visualize and secure internal (east/west) network traffic.

  • Infrastructure Management: Oversee the migration to and maintenance of Cisco network devices and manage the operation of the hybrid cloud environment, including connectivity like ExpressRoutes to the cloud platform.

Required Qualifications

  • Proven hands-on experience with Palo Alto firewall administration and maintenance.

  • Expertise in managing a hybrid network environment with strong cloud service (e.g., Azure/EntraID) integration.

  • Demonstrable competency in core networking concepts, including VLANs and IP subnetting.

  • Familiarity with network device patching, security hardening, and leveraging SIEM tools for security monitoring.

  • Demonstrated ability to function as a highly independent, senior resource capable of self-managing large-scale, strategic projects.

This is a pivotal role for a security-minded Network Engineer to design, secure, and fully own the network infrastructure for a growing company.

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