Hi @Waleed Ebrahiem ,
Welcome to Microsoft Q&A forum and thanks for reaching out.
As @Rahul Metangale called out you might be having some scheduled ADF pipeline or a Runbook that is starting and stopping your integration runtime. Please make sure to disable/stop them to stop schedule and manually start it to run 24*7.
Please note that running Azure SSIS IR 24*7 increases usage cost. Please refer to pricing document here
In case if you query is not related to Azure SSIS IR, please provide few additional details about your IR (what type and how it is configured) so that we can better assist further.
Do let us know if you have further query.
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