Several Linux Kernel/system programmer positions are open at Hewlett-Packard R&D, Bangalore, India. Please visit www.hp.com and follow the links for Jobs at HP, Location: India. You could also try this link directly:
http://h10055.www1.hp.com/jobsathp/content/search/search.asp?Lang=ENen

Specifically look at the job number 898705 if your interest is with linux kernel and clustering.