This guide will explain how to add both Jira Administrator and Project Administrator permissions to a user in Jira Cloud.
Step 1 — Head to https://admin.atlassian.com, locate your organisation and click Manage users
Step 2 — Find the user under the user list and click Show details
Step 3 — Ensure the user has their roles setup as follows — particularly the Roles and the Groups sections:
Step 1 — Whilst viewing your project, click Project settings from the left-hand side navigation
Step 2 — Click People from the left-hand side navigation
Step 3 — Click Add people, find the relevant user and assign to them the Administrators role
Step 4 — Verify your changes in the users list