The NC Programmer Sr position at Lockheed Martin involves utilizing TruNest nesting software to generate NC programs for CNC routers, punch presses, and waterjets in the manufacturing of aircraft components. The role requires collaboration with production technicians to address technical queries, make program revisions, and troubleshoot issues, while also focusing on process improvements to enhance efficiency and product quality. The position operates on a structured schedule with potential stretch assignments to meet departmental needs.