Jefferson Lab

Come join our team at Jefferson Lab, where great minds matter.

Posting Date: 05/03/2024
Salary Range: $113,200 - $178,700 (SE-III)
Work Location Type: Hybrid (combination of on and off-site work based on business needs)

What your job will be like:

As a Vacuum Engineer, you will provide support for the development, operation, and improvement of all vacuum systems for superconducting (SRF) cavities and accelerator facilities, from low to ultra-high vacuum (UHV) and particulate free. Contribute to reliable implementation and operation for superconducting cavity development, CEBAF and other Jefferson Lab initiatives.

In this role you will:

  • Design, develop, and evaluate vacuum systems and its components, including procedures for integration and operation, calculate vacuum gas loads, pressure profiles, pumping speeds, safety features and utility requirements.
  • Develop methods for particle free assembly and surface cleaning of vacuum systems and superconducting cavities, including development of plasma processing methods.
  • Develop methods to improve vacuum system efficiency and reliability, including radiation hardness.
  • Plan and coordinate integration and maintenance of the vacuum systems.
  • Train staff on the best-practice handling, assembly, and operation of vacuum systems.
  • Develop and maintain functional requirements and technical documentation for vacuum systems.

Qualifications We Require:


  • Bachelor's degree in Engineering or Physics


  • 10 years of relevant experience
  • Experience supervising staff, setting and managing expectations, performance, and professional development.

Knowledge, Skills and Abilities

  • Can use mathematical methods including calculus and differential equations, to simulate pump-down curves, vacuum pressure profiles, and differential pumping schemes.
  • Able to work independently and in teams.
  • Able to effectively train people outside his/her work group.
  • Able to give effective presentations to critical/high level customers and effectively represent work group on review panels and cross-organizational teams.
  • Can write convincing proposals and reports with all necessary backup material for external consumption.

Qualifications We Desire:


  • Ph.D. in Physics or Engineering


  • Experience in large-scale accelerator projects or facilities
  • Experience in leading a project with cost and schedule responsibilities.
  • Use of cleanroom techniques and procedures. Methods for particle free connections.
  • Modelling and analysis tools for thermo-mechanical simulations.
  • Data collection and analysis.

About Jefferson Lab

Join a community with a common purpose of solving the most challenging scientific and engineering problems of our time. ¿The Jefferson Lab campus is located in southeastern Virginia amidst a vibrant and growing technology community.

A career at Jefferson Lab is more than a job. You will be part of “big science” and work alongside top scientists and engineers from around the world unlocking the secrets of our visible universe. Managed by Jefferson Science Associates, LLC; Thomas Jefferson National Accelerator Facility is entering an exciting period of mission growth and is seeking new team members ready to apply their skills and passion to have an impact. You could call it work, or you could call it a mission. We call it a challenge. We do things that will change the world.

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 (vacation, holidays, sick leave)
  • 401(k) Plan – 9% Lab Contribution; 100% vested
  • Flexible Work Arrangements (Hybrid & 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 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 employment @ or call (757) 269-7100 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.