PAC-3 Capacity Systems Engineer (Experienced or Lead) Company: The Boeing Company Patriot Advanced Capability-3 (PAC-3) is seeking a knowledgeable Experienced or Lead Capacity Systems Engineer to define seeker level testing and interfaces on the Seeker Integrated Product Team (IPT) across its production, capacity expansion, and development programs in Huntsville, AL. The PAC-3 program is an air-defense, missile system designed to counter tactical ballistic missiles, cruise missiles, and advan