The Physics Division of the Lawrence Berkeley National Laboratory (LBNL) is seeking a postdoctoral fellow to participate in the ATLAS Experiment at the Large Hadron Collider (LHC) at CERN. The ATLAS Group at LBNL has important roles in the silicon tracking detectors and in physics simulation and preparations for data analysis for ATLAS. The successful applicant is expected to be involved in the production and commissioning of the ATLAS pixel detector and in analysis of the first data from the LHC. This is a two-year term position with the possibility of renewal up to a total of five years. To qualify, you should have a PhD in Experimental High Energy Physics or equivalent experience and demonstrated strong potential for outstanding achievement as an independent researcher. Interested applicants should submit via email (our preferred method) a curriculum vitae, publication list, and three letters of recommendation to gensciemployment@lbl.gov or mail to Lawrence Berkeley National Laboratory, Attn: Merrill Martin, 1 Cyclotron Road, MS 937-0600, Berkeley, CA 94720-8152. Applications should reference job number PH/016923. Questions related to job content and responsibilities should be directed to M. Gilchriese (MGGilchriese@lbl.gov). Applications are accepted until the position is filled. LBNL is an Affirmative Action/Equal Opportunity Employer committed to the development of a diverse workforce.