SLAC Job Postings Position overview: The Linac Coherent Light Source (LCLS) Experimental Operations Division is seeking Science and Engineering Associates to join our team and provide leadership and support to scientific instruments and experiments. The Linac Coherent Light Source (LCLS) is a science Directorate at SLAC National Accelerator Laboratory. LCLS is the world s first hard X-ray free electron laser (FEL). LCLS is operated as an international user facility, attracting hundreds of scient