PowerShell Automation – Microsoft Entra ID Group Cleanup

I need a hardened PowerShell script that an IT service-desk analyst can run to remove all applicable group memberships from a specified Microsoft Entra ID (Azure AD) user as part of the employee leaver/offboarding process... (Budget: £20 - £250 GBP, Jobs: API Integration, Automation, Azure, Change Management, Documentation, JSON, Microsoft Graph, Scripting, Security, Troubleshooting)