Run SharePoint Timer jobs from PowerShell

Have a look at the Start-SPAdminJob cmdlet here

According to this article, it is the equivalent of execadmsvcjobs.

We ended up using this solution from Sohel's Blog

Try using something like this:

$wa = Get-SPWebApplication $urlGet-SPTimerJob | ?{$_.Name -match "VariationsCreateHierarchies"} | ?{$_.Parent -eq $wa} | Start-SPTimerJob

This snippet runs the Create Variations Hierarchies job for the the web application at $url

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