Control System programming and troubleshooting (Wonderware, APT, Workshop, DeltaV, Control Wave, Rslogix, Panelview, CL code, Display Builder, Control Builder). Maintain existing control systems and plant historian, including hardware, and software, (Siemens 505, Allen Bradley SLC500, Honeywell TPS and Experion, Emerson DeltaV, misc PLC's, Wonderware, and Pi historian). Maintain a LAN of MS Windows Servers 2012 with HyperV, Operator Workstations (Windows 10), Application Servers and Engineering Workstations and all software associated with each.