NSF is seeking qualified candidates for several Physical Scientist (Program Director) positions in the Division of Earth Sciences (EAR) supporting the Chemical Evolution of the Solid Earth and Volcanology (CESEV) and Structure and Physics of the Solid Earth (SPSE) programs. NSF program officers oversee the merit review process, make proposal recommendations, identify emerging trends and long-range plans for the field, communicate advances in supported research, and partner with programs across NSF and with other federal agencies and organizations. The Division of Earth Sciences welcomes applications from experts with experience in basic research who can help shape, invigorate, and manage portfolios that support basic research an