The X-ray Science Division of the Advanced Photon Source (APS)  at Argonne National Laboratory (ANL) is offering an Assistant Physicist position to conduct research and development of the cavity-based x-ray free-electron lasers (CBXFELs) -- CBXFEL x-ray cavities in particular. CBXFELs are future fully coherent hard x-ray sources of utmost spectral brightness. The R&D will be performed in a framework of a collaborative project of ANL and SLAC (SLAC  National Accelerator Laboratory). The project is focused on demonstration of a test CBXFEL integrated into LCLS FEL at SLAC. 

The successful candidate will:

• Play a role in development, accomplishment, and characterization of x-ray optics and x-ray diagnostics components for the CBXFEL x-ray cavity  as well as  in deployment of these components into the test CBXFEL x-ray cavity.

• Play a role in preparation of the x-ray cavity system for the CBXFEL experiments.

• Contribute towards the  execution of the CBXFEL test experiments at LCLS.

• Contribute to the development of x-ray cavity alignment procedures – with application of machine learning tools in particular.

• Contribute to R&D activities for realization of  the real full fledged CBXFELs (beyond the test device).

• Document research results; present them at meetings and conferences; and  publish research results in the refereed journals and conference proceedings.

Position Requirements

• Bachelors + 5yrs, Masters +3yrs, PhD + 0yrs required, PhD in physics with 2+ years of postdoctoral experience preferred

• Solid knowledge in optics (x-ray optics in particular), free-electron laser physics, photon detectors, and x-ray techniques

• Strong skills in experimental physics and experience in controlling complex  systems at synchtrotron or XFEL facilities

• Competence in using complex software and ability to develop new software tools

• Ability to understand abstract physical concepts and the ability to synthesize experimental results into a proper theoretical framework

• Good written and oral communication skills for presenting new ideas, writing scientific papers, and presenting research results at scientific meetings

• Proficiency in  Linux operating system, EPICS-based controls environment, Matlab, Python and other programming languages,  LaTeX document preparation system, and advanced graphical tools

• Role model Argonne’s Core Values

• Understand, value, and promote diversity

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As an equal employment opportunity and affirmative action employer, and in accordance with our core values of impact, safety, respect, integrity and teamwork, Argonne National Laboratory is committed to a diverse and inclusive workplace that fosters collaborative scientific discovery and innovation. In support of this commitment, Argonne encourages minorities, women, veterans and individuals with disabilities to apply for employment. Argonne considers all qualified applicants for employment without regard to age, ancestry, citizenship status, color, disability, gender, gender identity, gender expression, genetic information, marital status, national origin, pregnancy, race, religion, sexual orientation, veteran status or any other characteristic protected by law.

Argonne employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. You will be asked to disclose any such participation in the application phase for review by Argonne's Legal Department.  

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