The Field Sales Support Systems Engineer Staff (Level 4) at Lockheed Martin is responsible for leading project engineering efforts in a high-paced environment, specifically supporting the F-35 Sustainment program for international customers including Norway, Korea, and Japan. The role involves acting as a Subject Matter Expert (SME) for proposal and contract work, ensuring compliance with export regulations, and coordinating with various internal and external stakeholders to facilitate the export of engineering products and data. The position requires strong communication skills, problem-solving abilities, and the capacity to mentor junior team members while managing customer interactions across the F-35 fleet.