Start a Script Block as background job:
$job = Start-Job -ScriptBlock {Get-Process}
Start a script as background job:
$job = Start-Job -FilePath "C:\YourFolder\Script.ps1"
Start a job using Invoke-Command
on a remote machine:
$job = Invoke-Command -ComputerName "ComputerName" -ScriptBlock {Get-Service winrm} -JobName "WinRM" -ThrottleLimit 16 -AsJob
Start job as a different user (Prompts for password):
Start-Job -ScriptBlock {Get-Process} -Credential "Domain\Username"
Or
Start-Job -ScriptBlock {Get-Process} -Credential (Get-Credential)
Start job as a different user (No prompt):
$username = "Domain\Username"
$password = "password"
$secPassword = ConvertTo-SecureString -String $password -AsPlainText -Force
$credentials = New-Object System.Management.Automation.PSCredential -ArgumentList @($username, $secPassword)
Start-Job -ScriptBlock {Get-Process} -Credential $credentials