Zamora

I. FACTS

At all relevant times, SIS provided security staffing services to major corporations, including Apple Computer, Inc. (Apple) and other technology companies. SIS hired Zamora as a “standard deployment field supervisor” assigned to Apple’s main campus in Cupertino, California. He started on May 26, 2010. His duties included supervising mobile officers and security specialists on his shift, responding to security calls and client requests, conducting shift briefing meetings, evaluating and administering discipline to subordinates, driving, and providing “security for top-level employees.” Zamora testified that the physical requirements of the job included walking four to six hours per day, standing seven hours a day, climbing (including onto the roof), stooping, bending, kneeling, and lifting up to 50 pounds. SIS employed 19 supervisors at Zamora’s worksite. The supervisors reported to watch commanders, and according to Zamora, there were three watch commanders, one for each shift. The watch commanders in turn reported to the site manager, Marty Vaughn. On June 2, 2010—eight days after he was hired—while running to answer a medical call with four coworkers, Zamora tripped…