Network/Systems Administrator

We are looking for a Network/Systems Administrator to provide onsite support for core infrastructure operations in Chicago, Illinois. This Long-term Contract position focuses on keeping server, virtualization, storage, and network environments stable, secure, and well maintained while partnering with technical teams to resolve issues efficiently. The ideal candidate brings practical experience across VMware, Cisco networking, enterprise storage, and physical cabling, along with a dependable, hands-on approach to day-to-day infrastructure support.Responsibilities:• Manage virtual infrastructure by supporting VMware hosts, clusters, virtual machines, and associated platform components.• Track system health, investigate performance concerns, and carry out scheduled maintenance such as patching, upgrades, backups, and operational checks.• Provide administration for enterprise storage platforms, including monitoring utilization, addressing connectivity issues, and assisting with performance tuning.• Configure and troubleshoot Cisco network equipment, including switch ports, VLAN assignments, and general LAN connectivity.• Install and maintain copper and fiber cabling by tracing lines, labeling connections, organizing runs, and resolving physical network issues.• Perform hardware deployment tasks such as rack installation, equipment replacement, and upkeep of server rooms or network closets.• Diagnose infrastructure problems affecting servers, storage, network services, and user connectivity, escalating complex issues when needed.• Keep technical records current by updating diagrams, asset inventories, procedural documentation, and change history.• Follow established security standards, operational procedures, and change-control practices while coordinating with infrastructure, security, application, and support teams.