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Post Doctoral Fellow
Job ID #: 12316 Location: Newport News, VA
Functional Area: Science Division: Accelerator Ops, R & D
Position Type: Term Education Required: Doctorate (Professional)
Experience Required: 2+ years Relocation Provided: Yes

SALARY RANGE: $58,300 - $87,500 (PD)

The electron ion collider (EIC) is a new project under construction in partnership between Jefferson Lab and Brookhaven National Lab. It is a technically challenging machine that will be the flagship for nuclear physics and the only operating collider in the USA for the foreseeable future. Jefferson Lab will have a lead role in developing the new SRF systems for EIC. This position is an opportunity to get in on the ground floor of this exciting development in designing, prototyping and RF validation.

Working under general direction, participate in SRF cavity and system development for the EIC, including RF structure modeling, design, prototyping and testing, higher-order mode (HOM) coupler development, fundamental power coupler (FPC) development, system integration and controls. Fellow is expected to participate in broader SRF R&D activities such as complex cavity design, material analysis, process development, RF testing, training and accelerator support Jefferson Lab.

Documents results through tech notes, journal papers and conference papers. Presents results at team meetings, project meetings and conferences. Travel may be required to attend collaboration meetings, conferences, workshops and schools. Occasional off-shift work may be required for testing, commissioning or accelerator operations.

Essential Job Functions:

  • Typically plans, coordinates and/or completes small projects independently, or as part of a team.
  • Proven experience and ability with RF simulations such as CST, ACE3P, COMSOL, HFSS, etc.
  • Competence in RF measurements and equipment such as network analyzer, spectrum analyzer, TDR, etc.
  • Familiarity with general principles of accelerators as pertains to RF system specification and design.
  • Good understanding of RF superconductivity and microwave related loss in superconductor.
  • Practical experience of accelerator component R&D and testing such as lab work, bench measurement, rf test in cryogenic environment.
  • Proven record of publications and documentation of work and results.
  • Ability to communicate and work as part of a diverse team and interface with a wide variety of technical groups, partners, vendors etc.



1. Education, Certifications and Experience:

a) Ph.D. degree in either accelerator physics and SRF/NCRF technologies or a closely related discipline.

b) Able to communicate clearly in writing (e.g. email, memos, explanations, drawings) and explain work to his/her supervisor and others in the group.

c) Interacts well with work group.

d) Can represent work associated with specific projects at professional meetings.

 JSA will not sponsor H1B visas for this position


• Ability to comprehend, formulate, and communicate highly abstract concepts
• Ability to express or exchange complex ideas by means of spoken and written communication
• Ability to analyze and interpret complex data and develop models

• Ability to traverse across various locations on the laboratory site and access work areas
• Ability to lift up to 10 pounds frequently and 25 pounds occasionally
• Ability to stoop, bend over and climb ladders
• Ability to work on a computer for extended periods
• Visual capabilities sufficient to use computer workstations, read documents, and see safety alarms
• Auditory capabilities to hear safety alarms

Jefferson Science Associates, LLC (JSA) manages and operates the Thomas Jefferson National Accelerator Facility (Jefferson Lab). JSA is an Equal Opportunity Employer and does not discriminate in hiring or employment on the basis of race, color, religion, ethnicity, sex, sexual orientation, gender identity, national origin, ancestry, age, disability, or veteran status or on any other basis prohibited by federal, state, or local law. As part of the JSA’s equal employment opportunity policy, we also take affirmative action as called for by applicable laws and Executive Orders to ensure that minority group individuals, females, disabled veterans, recently separated veterans, other protected veterans, Armed Forces, and qualified disabled persons are introduced into our workforce and considered for promotional opportunities.

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 or call (757) 269-7598 to provide the nature of your request. Reasonable accommodations are considered on a case-by-case basis.

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.

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