Here's further proof that anything can be managed using Windows PowerShell.
Microsoft has released a PowerShell module that allows for management of Lync Online deployments and user accounts.
You can get it here: Windows PowerShell Module for Lync Online
For the module to even install, you need to be
- Running Windows PowerShell 3.0, and
- Already have the Microsoft Online Services Sign-In Assistant installed.
P.S. the Online Services Sign-In Assistant does not yet support Windows 8 or Windows Server 2012.