EMC has lost its backup and recovery systems executive head after BJ Jenkins jumped ship for a role heading up Barracuda Networks.Jenkins became the boss of EMC's BRS business in January this year, replacing Frank Slootman, the ex-CEO of acquired Data Domain. Jenkins reported to Pat Gelsinger, who was then EMC's Information Infrastructure Products business president and chief operating officer (COO). But Gelsinger is now VMware CEO and his responsibilities in Information Infrastructure Products have been largely taken over by Howard Elias, the new president and COO for Information Infrastructure and Cloud Services. Elias, in turn, reports to