Why do we need you. Manufacturing Engineer II- Omniseal - Garden Grove, CA. If you want to reshape the world and discover your greatest potential, Saint-Gobain provides one-of-a-kind opportunities for innovative problem solvers. We're one of only two companies in the world that is consistently recognized as both a top Global Employer and a Top 100 Global Innovator, but Saint-Gobain's remarkable story and culture of innovation begins with a team o...