The Accelerator Directorate at SLAC National Accelerator Laboratory seeks candidates at the Staff Scientist level (Tier 3 in scientific staff career path) with a proven track record of scientific achievement to lead R&D efforts in accelerator operations and accelerator science that will support the Megaelectronvolt Ultrafast Electron Diffraction (MeV-UED) facility and enhance its science program. The successful candidate will have the opportunity to conduct cutting-edge research at the MeV-UED photoinjector-based electron accelerator, which is part of SLAC's Linac Coherent Light Source (LCLS) national user facility. LCLS is one of the world’s premier research environments, providing an internationally leading capability in the form of the world’s first hard X-ray free electron laser, co