Start-PowerCLIJob.ps1

Function Start-PowerCLIJob {

param(
    [parameter(mandatory=$True)]
    [VMware.VimAutomation.ViCore.Impl.V1.VIServerImpl]
    $DefaultVIServer,
    [string]
    $JobName,
    [parameter(mandatory=$True)]
    [scriptblock]
    $ScriptBlock,
    [object[]]
    $ArgumentList,
    [psobject]
    $InputObject,
    [string[]]
    $Modules = "VMware.VimAutomation.Core"
)

$ScriptBlockPrepend = {import-module $using:Modules | out-null;
Set-PowerCLIConfiguration -DisplayDeprecationWarnings:$false -Scope Session -confirm:$False | out-null;
Connect-ViServer -Server $using:DefaultVIServer.name -session $using:DefaultVIServer.SessionSecret | out-null;
}

$ScriptBlock = [ScriptBlock]::Create($ScriptBlockPrepend.ToString() + $ScriptBlock.ToString())

$params = @{scriptblock=$ScriptBlock}
if ($JobName) {$params.Add('name',$JobName)}
if ($ArgumentList) {$params.Add('ArgumentList',$ArgumentList)}
if ($InputObject) {$params.Add('InputObject',$InputObject)}

Start-Job @params

}