Autodesk Scaleform, makers of popular user interface libraries for video games, have two positions open in their Greenbelt, MD office:
Graphics/Rendering Engineer:
https://autodesk.taleo.net/careersection/ADSK_gen/jobdetail.ftl?lang=en&job=13WD13966
Software Engineer:
https://autodesk.taleo.net/careersection/ADSK_gen/jobdetail.ftl?lang=en&job=13WD13819