IT Infrastructure Engineer / Network & Systems Specialist

Position Title: IT Infrastructure Engineer / Network & Systems SpecialistKane County, IllinoisType: Long Term ContractRole SummaryKane County is seeking experienced IT Infrastructure resources to support County-wide network and infrastructure operations including voice/data networks, wireless systems, cybersecurity technologies, data center operations, virtualization, backup/disaster recovery, and system administration.Key ResponsibilitiesMaintain and support enterprise network infrastructure (voice, data, fiber, wireless/cellular). Configure and troubleshoot routers, switches, firewalls, VPNs. Support SIEM tools, security monitoring, incident response. Perform infrastructure assessments and recommend improvements. Support data center operations, server patching, capacity planning. Manage backup systems and contribute to disaster recovery planning/testing. Support virtual environments (VMware/Hyper-V) and system administration tasks. Document infrastructure processes, diagrams, and configurations. Required SkillsNetwork operations: LAN/WAN, VPN, VLAN, routing/switchingVoice/Data/Fiber/Wireless networkingCybersecurity: firewall, endpoint security, SIEM monitoringDisaster recovery / business continuity practicesVirtualization: VMware / Hyper-VWindows/Linux server administrationPreferredGovernment or County-level infrastructure experienceCertifications: CCNA/CCNP, Security+, Network+, Azure/AWS certsExperience working in large organizations / enterprise environments