Managing a lot of SQL servers does not have to to be a burden. One or a hundred, should be the same, right?
This is how you can quickly update (on a bunch of servers) the IndexOptimize job which is created if you install the MaintenenceSolution from Ola Hallengren:
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						$servers = @(     'server_01',     'server_02',     'server_03',     'server_04',     'server_nn'     ) $newCommand = @' EXECUTE [dbo].[IndexOptimize] @Databases = 'USER_DATABASES' , @FragmentationLow = NULL , @FragmentationMedium = NULL , @FragmentationHigh = NULL , @UpdateStatistics = 'ALL' , @OnlyModifiedStatistics = N'Y' , @LogToTable = N'N'; '@ $ports = 10001..10005 foreach ($node in $servers) {     foreach ($port in $ports) {         $instance = "$node,$port"         $jobName = 'IndexOptimize - USER_DATABASES'         $job = Get-DbaAgentJob -SqlInstance "$instance" -Job $jobName         foreach ($Step in $Job.jobsteps.Where{ $_.Name -eq $jobName }) {             $Step.Command = $newCommand             $Step.Alter()         }     } }  | 
					
Erik Darling (t|b) has written a longer post here.
PS. Check out how to quickly install Ola’s maintenance solution on the dbatools.io website.