You don't have to be working on your server machine to manage Microsoft Lync Server 2010 with PowerShell, all you really need is Windows PowerShell 2.0 and this Quick Start guide: Quick Start: Managing Microsoft Lync Server 2010 Using Remote PowerShell. This guide will take you through, step-by-step, setting up a remote connection to Lync Server PowerShell. You'll be up and running in no time.