gistfile1.txt

$computers = "se-c-w7o13-3", "se-c-w10o10" 
$scriptblock = {
    $usession = $using:session
    D:
    cd D:\scripts
    . .\Send-File.ps1
    Send-File -Source "\\source\msi\OfficeProPlus.msi" -Destination "C:\scripts\R\OfficeProPlus.msi" -Session $usession
}
$computers | % {
    $session = New-PSSession $_ 
    Invoke-Command -ScriptBlock $scriptblock -AsJob -Session $session
}