Network EngineerLocation: Downtown Chicago, IL (Onsite) Duration: 6+ Months ContractJob Summary: We are seeking an experienced Network Engineer to support design, implementation, maintenance. The ideal candidate will possess strong expertise in routing, switching, firewalls, SD-WAN technologies, and network troubleshooting. This role requires hands-on experience with Fortinet and Cisco networking environments and the ability to ensure high availability, performance, and security across the enterprise network.Required Qualifications:Strong experience with enterprise networking and network security.Hands-on experience with FortiGate Firewalls and SD-WAN deployments.Extensive knowledge of routing and switching technologies including OSPF, BGP, VLANs, STP, HSRP, and Nexus switching.Experience configuring and troubleshooting IPSec VPNs and firewall security policies.Knowledge of Cisco Wireless Controllers and wireless networking technologies.Experience with FortiCloud EMS, FortiAnalyzer, and Forti Load Balancer.Strong troubleshooting and analytical skills in complex network environments.Excellent verbal and written communication skills.Technical Skills:Fortinet: FortiGate 400F, 61E, 61F, FortiAnalyzer, FortiLoad BalancerCisco: ASA 5050, 5512 Firewalls, Wireless ControllersRouting: OSPF, BGP, Static Routing, Default RoutingSwitching: Nexus, vPC, STP, VLAN, VTP, HSRP, Switch StackSecurity: VPN, IPSec, NAT, Firewall Policies, SD-WAN, SD-VPNHigh Availability: Active/Passive HA, Load Balancing, Backup & RestoreMonitoring & Reporting: FortiAnalyzer Dashboards and Custom Reports