Assistant Physicist

Assistant Physicist – Accelerator Operations and Physics (AOP) Group

The Accelerator Systems Division of the Advanced Photon Source (APS) at Argonne National Laboratory invites applications for the staff Assistant Physicist position.

• Play a significant role in maintaining the high‑reliability operation of the APS storage ring.
• Perform general accelerator physics activities, including independently conducting machine studies to diagnose and resolve operational issues.
• Support APS performance improvements by conducting accelerator experiments, processing and analyzing data, and performing simulations and/or theoretical studies.
• Maintain positive and effective working relationships with APS technical staff through active communication and collaboration.
• Participate in research and development activities for future accelerator facilities.
• Document research outcomes and present results at meetings and conferences; publish findings in refereed journals and conference proceedings.
• May be required to perform other duties as assigned.

• Ph.D. in accelerator physics or a closely related field with 2+ years of postdoctoral experience.
• Demonstrated experience operating an accelerator independently and conducting beam experiments.
• Strong knowledge of accelerator theory, accelerator modeling and simulation, beam control, and beam diagnostics.
• Familiarity with EPICS‑based control systems in a Linux environment.
• Capability to embody Argonne’s core values of impact, safety, respect, integrity, and teamwork.
• Excellent interpersonal, oral and written communication skills; ability to interact with people at all levels.

Job Family:
Research Development (RD) | Job Profile:
Physics 2 | Worker Type:
Regular Time | Full time

Expected hiring range: $94,486.00 – $ (general guideline). The pay offered will be determined based on scope and responsibilities, qualifications, business considerations, internal equity, and external market pay for comparable jobs. Comprehensive benefits are part of the total rewards package.

As an equal employment opportunity employer, Argonne National Laboratory is committed to a safe and welcoming workplace that fosters collaborative scientific discovery and innovation. We encourage all qualified applicants, regardless of any characteristic protected by law, to apply.