PowershellScheduledJobs.ps1

#$hourlyStartTimes = @('08:00','09:00','10:00','11:00','12:00','13:00','14:00','15:00','16:00','17:00','18:00','19:00')
$hourlyStartTimes = @(for ($i = 8; $i -le 19; $i++) { "$($i):00" } )
$hourlyTriggers = @($hourlyStartTimes | %{ New-JobTrigger -Daily -At $_ -RandomDelay '1:00' })
$nightlyTrigger = New-JobTrigger -Daily -At '0:00' -RandomDelay '4:00'

Register-ScheduledJob -Name 'Backup GIT Incremental' -Trigger $hourlyTriggers -ScriptBlock { C:\SourceGIT\backup.ps1 -LastDays 5 }

Register-ScheduledJob -Name 'Backup GIT' -Trigger $nightlyTrigger -ScriptBlock { C:\SourceGIT\backup.ps1 }

#Troubleshooting:
# List ScheduledJobs:
Get-ScheduledJob

# List Job executions:
Get-Job | Format-Table -AutoSize
Get-Job | select Id, Name, PSJobTypeName, State, HasMoreData, Location, Command, @{Name='PSBeginTime'; Expression={$_.PSBeginTime}}, @{Name='PSEndTime'; Expression={$_.PSEndTime}} | Format-Table -AutoSize

# Show Job errors & output
Receive-Job -Id xxx

# Force run 1 scheduled job:
(Get-ScheduledJob -Id xxx).Run()

# Force run all schedules jobs:
(Get-ScheduledJob).Run()

# Set credentials
$cred = Get-Credential
Get-ScheduledJob 2 | Set-ScheduledJob -Credential $cred

# Job is visible under Windows Scheduled tasks:
# -> Task Scheduler 
#   -> Task Scheduler Library 
#     -> Microsoft
#       -> Windows
#         -> PowerShell
#           -> ScheduledJobs