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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - **Company:** Addison Group - **Location:** Chicago, IL, United States - **Experience:** Expert - **Salary:** $125,000.0 - $140,000.0 - **Contract:** Temporary contract - **Skills:** Artificial Intelligence, Amazon Web Services, VoIP, Cloud Computing, Cloud Engineering, Cyber Security, DevOps, Python (Programming Language), Network Security, Network Segmentation, Software Engineering, Computer Networking Systems, High Performance Computing, Sysadmin, ReactJS, Information Technology, Routing & Switching, SailPoint, Open Network Automation Platform, Cisco - **Published:** August 24, 2026 - **Apply:** https://addisongroup.gosnaphop.com/jobs/l/login/19e62b1f-e3e6-11eb-be56-42010a8a0031/b99673e5-9f9e-11f1-ad55-024201c20d84/false?applyId=fb08b9f4-9cdb-11f1-9509-02420a6c7775&apply=true&returnUrl=/l/recruiting/jobapplication/fb08b9f4-9cdb-11f1-9509-02420a6c7775/b99673e5-9f9e-11f1-ad55-024201c20d84/false?step=1 ## About the Role * 5+ years of enterprise network/security engineering * Strong firewall experience * Strong Cisco networking knowledge * Deep understanding of TCP/IP and routing/switching * Experience with segmentation and network-security architecture * Ability to independently troubleshoot difficult network/security issues * Experience in a large, complex enterprise environment * Strong communication and documentation skills * Healthcare experience is helpful but not required * Interested in strong engineers coming from banking, insurance, universities, large corporations or other complex 24x7 environments, * 5+ years of enterprise network/security engineering * Strong firewall experience * Strong Cisco networking knowledge * Deep understanding of TCP/IP and routing/switching * Experience with segmentation and network-security architecture * Ability to independently troubleshoot difficult network/security issues * Experience in a large, complex enterprise environment * Strong communication and documentation skills * Healthcare experience is helpful but not required * Interested in strong engineers coming from banking, insurance, universities, large corporations or other complex 24x7 environments This organization is making a major investment in modernizing its infrastructure, creating an opportunity to help build and secure the future-state network rather than simply maintain the old one. Important: This is primarily an onsite position in downtown Chicago/Streeterville five days per week. Candidates should not consider this a remote opportunity. #NetworkSecurity #Cybersecurity #Cisco #Firewall #NetworkEngineering #ChicagoJobs #Infrastructure #InfoSec ## Description Confidential search for a Senior Network Security Engineer for a highly respected Chicago organization undergoing a significant modernization of its technology infrastructure. The ideal candidate is someone who lives at the intersection of enterprise networking and cybersecurity. This is not a GRC, policy or compliance position. We're looking for someone who can get into the technology and understand how to build, secure and troubleshoot a large enterprise network. What You'll Work With: * Cisco enterprise networking * Enterprise firewalls * Network segmentation * Routing & switching * VLANs / ACLs * VPN / secure connectivity * IDS / IPS * Network Access Control * SIEM / security monitoring * Vulnerability management * Network hardening and security architecture, Job Title: Network Engineer Location: Oklahoma City, OK Assignment Type: Direct Hire | Full-Time Pay: $80,000 - $100,000 annually depending on experience Work Schedule: Monday-Friday, Business Hours Benefits: This position is eligible for medical, dent... Recommended *, Lead VoIP / Unified Communications Engineer Chicago, IL - Onsite Base Salary: $150K-$160K No Remote No Sponsorship offered I'm conducting a confidential search for a Lead VoIP / Unified Communications Engineer to join a highly respected, mission-driven... 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