Jefferson Lab

As a matter of corporate policy, all JSA employees are required to be vaccinated against COVID-19. All successful hires will be required to provide COVID-19 vaccination verification as a condition of employment, subject to limited legally recognized exemptions to the COVID-19 vaccination.

Re-Posting Date: 01/20/23
Salary Range: $85,500 - $135,300 (SE-II) ; $110,300 - $174,200 (SE-III)
Work Location Type: Flexible On-site (working more than 60% on-site)

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

What your job will be like:
Are you a skilled, self-motivated individual ready to provide a "laser" focus on accelerator components and system design and engineering? As a Mechanical Engineer, you will collaborate with a multi-disciplinary and diverse team of designers, technicians, engineers, and scientists in the design and testing of instrumental systems in the performance of the Continuous Electron Beam Accelerator Facility (CEBAF), the Electron-Ion Collider (EIC) project, and accelerators worldwide. We are open to filling this position at the Staff Engineer (SE) II or III level based on field experience.

In this role you will:

  • Design and analyze systems and components employed in particle accelerators systems to include; SRF components, cryomodules, normal conducting magnets, superconducting magnets, vacuum systems, cryogenic systems, cooling water systems, gas systems, precision alignment elements, and equipment support structures
  • Perform engineering analyses including heat transfer, fluid flow, vibration, and stress analysis
  • Utilize CAE tools such as finite element analysis software (ANSYS)
  • Design systems in accordance with applicable codes and standards, including: ASME piping, ASME Boiler and Pressure Vessel Codes, and JLab Pressure and Vacuum System Rules
  • Present technical status reports, defend designs at engineering design and safety reviews
  • Serve as the responsible technical representative for the design, procurement, and fabrication of components and systems
  • Document the final design, fabrication, installation, commissioning, and maintenance of assigned systems

This position may be hired at either the SEII or SEIII level based on criteria below.

Qualifications We Require:

Education and Experience:


  • Bachelor’s degree in Engineering or related scientific field and 4 years of relevant work experience in the design, analysis, and fabrication of complex mechanical systems in an SRF or related field


  • Bachelor’s degree in Engineering or related scientific field and 10 years of relevant work experience in the design, analysis, and fabrication of complex mechanical systems in an SRF or related field

Knowledge, Skills and Abilities:


  • Able to effectively train his/her work group and effectively lead work teams within the work group.
  • Able to give effective presentations to general audiences and write convincing proposals and reports with all necessary backup material


  • Able to effectively train people outside of assigned work group.
  • Able to give effective presentations to critical/high level customers and effectively represent work group on review panels and cross-organizational teams
  • Able to write convincing proposals and reports with all necessary backup material for external consumption

Qualifications We Desire:

  • A Master’s degree in a related field is preferred (SE II / SE III)
  • Experience in large-scale accelerator projects or facilities is highly desirable (SE II / SE III)
  • Experience in leading a project with cost and schedule responsibilities (SE III)

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 (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 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) 269-7598 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.