jimc84,
While that particular PowerShell script is not available, there is another Alarm Clock PowerShell script that’s designed for use with SCCM.
https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=21696
The PowerShell script is called Alarm_Setter.ps1, and is located ../Content/Alarm_Setter/Alarm_Setter.ps1
-Alan