About 10 masked protesters silently stood in front of booths with signs criticizing companies including Caterpillar, Kratos Defense, Leidos and Texas Instruments. “If this is the way that they’re going to do it, then I think that’s fine. “Everyone has the right to an opinion — I like how they’re expressing theirs at a job career fair,” Barcenas said. “I am an engineering student as well, and I’ve also lined up for career fairs,” Zou said. “I understand the grind just as well as any other student, but I understand that I’m an engineer with morals.