(Note :- Following example is demonstrated using Adventure-works sample database)
Public Sub Main()
Dim objServer As Server
Dim objDatabase As Database
objServer = New Server
objServer.Connect("localhost") 'Write the instance name of SSAS server"
objDatabase = objServer.Databases.FindByName("Adventure Works DW 2008R2")
Dts.TaskResult = ScriptResults.Success
Follow same steps a,b,c from "Using XMLA" (i.e. 1st approach) and in step d, under "Type", instead of Analysis Services command, select "SQL Server Integration Services Package" and mention the package path (if you want to select "Package source" as File system).Click on OK button of New job step wizard and then OK button of New job and your SQL Server job for processing SSAS database using SSIS package is ready.You can schedule a job as per your requirement.