Cryogenic/Polarized Target Scientist

Come join our team at Jefferson Lab, where great mindsmatter.

Posting Date:06/27/2025

Salary Range:$78,600 - $139,200 (SS I)

Work Location Type: Dedicated On-Site (working 100%on-site)

What your job will be like:

The Jefferson Lab Target Group is seeking a highly motivated and enthusiastic scientist to contribute to the development and implementation of advanced target systems for JLab's experimental nuclear physics program. This position offers an exciting opportunity to work alongside experienced scientists, engineers, and technicians on state-of-the-art instrumentation, with an emphasis on liquid hydrogen and other cryogenic targets. The successful candidate will support the operation of existing targets in Jefferson Lab's four experimental end stations and will be involved in all aspects of new target development, from preliminary design, through construction, testing, and installation.

In this role you will:

• Coordinate with Jefferson Lab scientists and users to define target requirements and configurations for upcoming experiments that utilize existing cryogenic target systems and oversee any necessary modifications to those systems.
• Schedule the transport, installation, preparation, and removal of targets to and from the experimental halls. Oversee the day-to-day operation of target systems during experiments and provide on-call support when needed.
• Prepare written procedures and other work-control documents for target operation, installation, and maintenance.
• Work with Target Group scientists, engineers, designers, and technicians to develop future targets at Jefferson Lab.
• As time permits, participate in JLab's experimental physics program.
• Use CAD software to generate 3D models and fabrication-ready drawings for new and replacement target system components.
• Perform mechanical and thermal engineering analysis calculations for target components and assemblies.
• Check drawings and calculations performed by other Target Group staff for accuracy and completeness.

Qualifications we require:

Education

• Ph.D. Physics or Engineering

Knowledge, Skills and Abilities

• Working knowledge of cryogenic systems, vacuum technology, process piping, heat transfer and fluid dynamicsutilized in nuclear or particle physics experiments
• Demonstrated experience with process control and data acquisition
• Ability to communicate clearly and share ideas with scientists, engineers, and technicians, via verbal or written instructions and oral presentations
  

Please send at least 2 reference letters, a cover letter to astatement of research interest toChris Ross(cross@ jlab.org) and
Chris Keith (ckeith@ jlab.org)

Total Rewards at Jefferson Lab

At Jefferson Lab, we believe that a comprehensive employee benefits
program is an important and meaningful part of the compensation
employees receive. Our benefits program includes, but is not limited to:

* Medical, Dental, and Vision Care Plans * Flexible Spending Accounts

* Paid Time-off and Leave Programs (Paid Parental, vacation, holidays, and sick leave)

* 401(k) Plan - 9% Lab Contribution; 100% vested * Flexible Work Arrangements (Remote & Alternate Work Schedules available)

* Tuition Assistance, Training and Professional Development Programs

* Live near the waterways of the Chesapeake Bay region with access to
nearby beaches, mountains, and all major metropolitan centers on the
East Coast

Jefferson Science Associates, LLC (JSA) manages and operates the
Thomas Jefferson National Accelerator Facility (Jefferson Lab). JSA is
an Equal Opportunity Employer.

JSA is committed to providing
reasonable accommodations for persons with disabilities (unless doing so
will result in an undue hardship). If you need a reasonable
accommodation for any part of the employment process, please send an
e-mail to recruiting @jlab.org or contact Human Resources by calling
(757) 269-7100 and selecting option 1 between 8 am - 5 pm EST to provide
the nature of your request.

Employment with JSA is conditional upon DOE approval if at any
time during your employment you are participating in a Foreign
Government Talent Recruitment Program or Affiliated activity. Generally,
such programs/activities include any foreign-state-sponsored attempt to
acquire U.S.-funded scientific research through programs run or funded
by the government that target scientists, engineers, students,
academics, researchers, and entrepreneurs of all nationalities working
or educated in the United States. This includes positions or
appointments, both domestic and foreign, titled academic, professional,
or institutional appointments whether or not remuneration is received
and whether full-time, part-time or voluntary.