The National Science Foundation (NSF) is seeking qualified candidates for an Astronomer (Program Director) position within the Directorate for Mathematical and Physical Sciences (MPS), Division of Astronomical Sciences (AST), located in Alexandria, VA.  This position is eligible for a few days telework per week but is not fully remote.  Applications will be considered from all US citizens who meet citizenship and eligibility requirements.  NSF is committed to building and maintaining a diverse and inclusive workplace environment and encourages applications from women, racial and ethnic minorities, individuals with disabilities and veterans. NSF is an Affirmative Action, Equal Opportunity Employer. The mission of AST is to support forefront research in ground-based astronomy; to h