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Physics Associate II for ATLAS Research

Job ID 2692 Date posted 06/03/2021

Brookhaven National Laboratory ( delivers discovery science and transformative technology to power and secure the nation’s future. Brookhaven Lab is a multidisciplinary laboratory with seven Nobel Prize-winning discoveries, 37 R&D 100 Awards, and more than 70 years of pioneering research. The Lab is primarily supported by the U.S. Department of Energy’s (DOE) Office of Science. Brookhaven Science Associates (BSA) operates and manages the Laboratory for DOE. BSA is a partnership between Battelle and The Research Foundation for the State University of New York on behalf of Stony Brook University.

Organizational Overview

The Omega Group in the Physics Department at Brookhaven National Lab (BNL) focuses on the ATLAS experiment at CERN in Geneva, Switzerland. BNL is the host laboratory for the U.S. ATLAS Operations Program, the U.S. ATLAS HL-LHC Upgrade Project, an ATLAS Tier-1 computing facility, and is designated as part of the U.S. ATLAS Support Center. The Omega Group in the Physics Department at BNL leads several physics analyses on the ATLAS experiment and has major responsibilities in operations, trigger, and software development. The group has leading roles in the ATLAS Phase-I and HL-LHC upgrade projects (silicon-strip detector, liquid argon calorimeter readout, and trigger/data acquisition electronics) and has strong R&D programs on trigger/data acquisition, high-performance computing, and silicon detectors.

Position Description

The Omega Group in BNL’s Physics Department has an opening for a Physics Associate II to join the current BNL effort on the ATLAS experiment. The successful candidate will be interested in participating in the LHC scientific program and significant experience in detector development for hadron collider experiments. The selected candidate will participate in studies related to Electroweak and Higgs physics, and take a leading role in the upgrade of the Liquid Argon Calorimeter and Trigger/DAQ and electronics. This position has a high level of interaction with an international and multicultural scientific community.

Essential Duties and Responsibilities:

  • Participation in the ATLAS scientific program with a focus on trigger and detector performance for Electroweak and Higgs physics.
  • Participation in developing, constructing, installing, integrating, and commissioning hardware, firmware, and software for the HL-LHC Upgrade of the ATLAS detector. 

Position Requirements

Required Qualifications:

  • A Bachelor’s degree in particle and nuclear physics or related fields.
  • Five (5) years progressively responsible related full time work experience, including supporting research programs, following established methods and standards for investigation and experimentation.
  • Experience with data analysis and understanding of statistical techniques.
  • Solid foundation in detector system design, detector performance, or trigger systems for high energy or nuclear physics experiments.
  • Experience in readout system development of scientific detector systems.
  • Experience with computing and software development for high energy or nuclear physics experiments.
  • Experience programming FPGAs or heterogeneous devices.
  • Understanding of mixed-signal circuits, digital signal processing, and modern circuit components.
  • Experience with laboratory equipment, HDL-based design, simulation, and testing.
  • Ability to work in a large international collaboration.
  • Hands-on problem-solving skills and clear and concise verbal and written communication skills.   

Preferred Qualifications:

  • Master's degree or Ph.D. in particle and nuclear physics or related fields.
  • Analysis with LHC data based on C/C++ and Python.
  • Experience with machine learning techniques and tools.
  • Experience programming GPUs, or HPC machines.
  • Experience characterizing detector performance with complex circuit boards with multiple high speed (25 Gb/s) optical links with FPGAs and ASICs.
  • Understanding of EDA tools for circuit simulation, schematics entry, and PCB layout design.


  • Domestic and international travel should be expected.                                  

Candidates seeking to apply must submit an electronic application to this opening. Your application must include the following items as a single Word document or PDF:

1) A letter of intent outlining your interests and experience, not to exceed five pages, and
2) A CV including a list of publications. 

Please arrange to have three letters of recommendation sent to with a subject line referring to this job posting (Req# 2692). 

The application is complete when all of these items have been received. 

Consideration of applications will begin July 15, 2021 and continue until the position is filled.

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, Dental, and Vision Care Plans
  • Flexible Spending Accounts
  • Paid Time-off and Leave Programs (vacation, holidays, sick leave, paid parental leave)
  • 401(k) Plan
  • Flexible Work Arrangements
  • Tuition Assistance, Training and Professional Development Programs
  • Employee Fitness/Wellness & Recreation:  Gym/Basketball Courts, Weight Room, Fitness Classes, Indoor Pool, Tennis Courts, Sports Clubs/Activities (Basketball, Tennis, Softball, Table Tennis)

Brookhaven Science Associates requires proof of a COVID-19 vaccination for all employees. Proof of full vaccination as recognized by the CDC and/or WHO, inclusive of the two-week waiting period, is required at the start of your employment.

Brookhaven National Laboratory (BNL) is an equal opportunity employer that values inclusion and diversity at our Lab.We are 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.We ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.Please contact us to request accommodation.

*VEVRAA Federal Contractor

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 486.1A. 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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