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Location: Illinois, Chicago Area Type: Direct Hire Job #11273 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. #11273 #LI-HN1 Apply Now