Overview: Nakupuna Companies is seeking a Systems Engineer to function as the Modular Open Systems Architecture (MOSA) Engineer for Platform Delivery Office (PDO) 20 (Surface Fleet Delivery) Program Office (previously known as PMW 760), to support the Government in establishing and implementing repeatable modular architecture practices across Navy mission systems and shipbuilding activities. The position develops and uses models, architecture products, engineering data, and digital artifacts to align requirements, interfaces, technical products, schedules, and platform constraints across product offices, warfare centers, ship-design organizations, shipbuilders, and other technical stakeholders.