> Markdown version of [/jobs/ext/4008407-network-security-engineer](https://www.wearedevelopers.com/jobs/ext/4008407-network-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Security Engineer - **Company:** TEKSYSTEMS INC. - **Location:** Chicago, IL, United States - **Salary:** $145,600.0 - $156,000.0 - **Contract:** Temporary to permanent - **Skills:** Application Firewall, Configuration Management Databases, Cyber Security, Network Security, Windows Servers, Network Architecture, Network Attached Storage (Server Appliance), Oracle (Applications), Red Hat Enterprise Linux, Computer Network Operations, SolarWinds (Software), Palo Alto Networks, Fortinet, Servicenow - **Published:** October 29, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/il/chicago/18044d2d-ed61-4667-8e6b-1cc654d154ae ## About the Role Paloalto, Palo Alto, Fortinet, Network Security Engineering, Security Operations, ITIL, ServiceNow, firewall administration, Security architecture, Enterprise infrastructure support, ITIL Certification, Dell Compute Technologies, SAN, NAS, Oracle, Windows Server, RedHat, Rubrik, Infoblox, Solarwinds, SOC, CMDB Top Skills Details Paloalto,Palo Alto,Fortinet,Network Security Engineering,Security Operations,ITIL,ServiceNow,firewall administration,Security architecture,Enterprise infrastructure support Additional Skills & Qualifications ITIL Certification Dell Compute Technologies SAN/NAS Technologies Oracle Windows Server RedHat, Vendor Management Capacity Planning Change Management CMDB Administration, Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. ## Description Topology Fortinet Operations Mentorship ServiceNow SolarWinds Coordinating Windows Servers Network Security Change Management Business Valuation Incident Management ITIL Certifications Enterprise Security Security Engineering Regulatory Compliance IT Service Management Full Stack Development Network Infrastructure Business Transformation Firewall Administration IT Security Architecture Continuous Improvement Process Troubleshooting (Problem Solving) Information Technology Infrastructure Library Health Insurance Portability And Accountability Act (HIPAA) Compliance $145,600 - $156,000 / yr Posted yesterday, Network Security Engineer responsible for managing firewall and network infrastructure security, topology design, and engineering operations across a large-scale enterprise environment. Leads a security engineering team responsible for security appliances, network operations, incident management, compliance, and infrastructure projects. Oversees technical operations, advanced troubleshooting, security architecture, cloud connectivity, change management, ServiceNow ITSM integration, vendor coordination, and regulatory compliance including PCI, HIPAA, and CJIS. This role serves as the highest escalation point for complex engineering challenges while mentoring engineering staff and driving continuous improvement of enterprise security infrastructure.