OmniTI (omniti.com) - offices in Manhattan and Columbia, MD (remote ok for the right candidates)
We're a consultancy focusing on high scale web app design, ops support and the like, focusing on open source tools. We're growing and are hiring for a wide range of roles right now to try to keep up with client demand: front and back end dev roles, DBAs, PMs, and systems people.  Full role descriptions are here: <a href="http://omniti.com/is/hiring" >http://omniti.com/is/hiring</a>
careers@ if you want to submit a resume or you can reach me directly if you have questions at mjackson@
Ask HN: Who Is Hiring? (May 2012)