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To get the Jira Administrator permission, you must be added to a Jira group which that has these permissions, such as the jira-administrator group. Another Jira Administrator or Jira Site Administrator can should be able to do this for you.
Once you have Jira Administrator permissions, you can add others to groups which that have this permission. Of course, this permission should only be granted to those who need high-level access to your Jira and Tempo site.
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