Execute-LimitedNumberOfPSJobs.ps1

$maxConcurrentJobs = 100 #Max. number of simultaneously running jobs
 
foreach($Object in $Objects) { #Where $Objects is a collection of objects to process. It may be a computers list, for example.
    $Check = $false #Variable to allow endless looping until the number of running jobs will be less than $maxConcurrentJobs.
    while ($Check -eq $false) {
        if ((Get-Job -State 'Running').Count -lt $maxConcurrentJobs) {
            $ScriptBlock = {
                #Insert the code of your workload here
            }
            Start-Job -ScriptBlock $ScriptBlock
            $Check = $true #To stop endless looping and proceed to the next object in the list.
        }
    }
}