Blizzard Entertainment, Inc. is an American video game developer and publisher founded February 8, 1991, under the name Silicon & Synapse by three graduates of the University of California, Los Angeles, Michael Morhaime, Frank Pearce, and Allen Adham and is currently a subsidiary of American company Activision Blizzard. Having launched the Overwatch League, you can expect jobs from Blizzard to have a theme of league and tournament operations. As a result, careers could include Event Management of their league or other events, Engineers to maintain the network and other jobs to ensure Blizzard's events run smoothly.