Can can use PsExec from http://technet.microsoft.com/en-us/sysinternals/bb897553.aspx
Or WMI:
object theProcessToRun() = { "YourFileHere" };
ManagementClass theClass = new ManagementClass(@"\\server\root\cimv2:Win32_Process");
theClass.InvokeMethod("Create", theProcessToRun);