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Vacuum/Mechanical Engineer

Job ID 2005 Date posted 01/06/2020

Brookhaven National Laboratory is a multipurpose research institution funded primarily by the U.S. Department of Energy’s Office of Science. Located on the center of Long Island, New York, Brookhaven Lab brings world-class facilities and expertise to the most exciting and important questions in basic and applied science—from the birth of our universe to the sustainable energy technology of tomorrow. We operate cutting-edge large-scale facilities for studies in physics, chemistry, biology, medicine, applied science, and a wide range of advanced technologies. The Laboratory's almost 3,000 scientists, engineers, and support staff are joined each year by more than 4,000 visiting researchers from around the world. Our award-winning history, including seven Nobel Prizes, stretches back to 1947, and we continue to unravel mysteries from the nanoscale to the cosmic scale, and everything in between. Brookhaven is operated and managed by Brookhaven Science Associates, which was founded by the Research Foundation for the State University of New York on behalf of Stony Brook University, and Battelle, a nonprofit applied science and technology organization.

The mission of the Instrumentation Division is to develop state-of-the-art instrumentation required for experimental research programs at Brookhaven Lab and to maintain the expertise and facilities in specialized high technology areas essential for this work. Development of facilities is motivated by present Brookhaven research programs and anticipated future directions of research. Our work has a significant impact on programs throughout the world that rely on state-of-the-art radiation detectors and readout electronics.

The Instrumentation Division has an opening for a Vacuum/Mechanical Engineer to work on Thin Film Photocathode Systems for accelerator and detector applications. The successful applicant will, design and develop custom Ultra-High Vacuum (UHV) systems for the growth of photocathodes, assist with operation of systems to produce photocathodes, and perform quality testing of the fabricated films. Vacuum design will include both specification of appropriate available commercial systems and design of custom parts, including the use of computer aided design (CAD) software. The position may require occasional work of off-hours/shifts to meet program requirements.

Essential Duties and Responsibilities:

  • Work with scientists and technical staff to produce photocathodes on a schedule to meet RHIC operational needs
  • Maintain and operate a set of complex vacuum deposition tools
  • Provide high-level technical service to analyze and solve complex system problems
  • Draw vacuum systems with 3D CAD tools, and produce 2D drawings 
  • Prepare job orders, requisitions, cost estimates
  • Coordinate work with other working groups
  • Work with division staff to meet the BNL laboratory needs
  • Maintain a safe and respectful workplace environment

  • Minimum three (3) years progressively responsible related work experience is required. 
  • Bachelor’s Degree in mechanical engineering or related field
  • Experience with CAD software (Autodesk Inventor or Solidworks 3D)
  • Experience with the design and fabrication of UHV systems
  • Experience with UHV systems including pump systems and leak checking equipment
  • Experience with Microsoft Office (Word, Excel, Power-point)
  • Excellent communication skills
  • Able to support team with diverse skills and talents during all phases of construction, testing, repair and upgrade of existing   equipment, and operations support

Preferred Knowledge, Skills, and Abilities:

  • Knowledge of process control software
  • Experience with Residual gas analyzer (RGA)
  • Experience in XHV systems
  • Experience in thin film deposition
  • Experience in photocathode growth
  • Knowledge of material properties for use in UHV systems
  • Machine fabrication experience (Drill/Lathe/Mill, etc.)
  • Interest/willingness to learn optical measurement techniques


  • Must have a valid driver license
  • Occasional domestic and/or international travel

Environmental, Health & Safety Requirements:

  • Will require radiation training and very occasional work in a radiological controlled area
  • Will require the ability to lift 30 lbs., and to stand for an hour

Selected candidate will be placed at the appropriate grade level dependent upon depth and breadth of relevant knowledge and skills, as well as years of relevant experience.

At Brookhaven National Laboratory 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 Plans
  • Dental Plans
  • Vacation
  • Holidays
  • Life Insurance
  • 401(k) Plan
  • Retirement Plan
  • Paid Parental Leave
  • Swimming Pool, Weight Room, Tennis Courts, and many other employee perks and benefits

We invite you to consider Brookhaven National Laboratory for employment. To be considered for this position, please apply online at BNL Careers and enter the job title into the Keyword Search.

Brookhaven National Laboratory (BNL) is an equal opportunity employer committed to ensuring that all qualified applicants receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, status as a veteran, disability or any other federal, state or local protected class.

BNL takes affirmative action in support of its policy and to advance in employment individuals who are minorities, women, protected veterans, and individuals with disabilities.

*VEVRAA Federal Contractor

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Brookhaven employees are subject to restrictions related to participation in Foreign Government Talent Recruitment Programs, as defined and detailed in United States Department of Energy Order 486.1. You will be asked to disclose any such participation at the time of hire for review by Brookhaven. The full text of the Order may be found at:

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