{"id":3437172,"url":"https://alion.io/job/fermilab-radiation-transport-research-associate","title":"Radiation Transport Research Associate","company":{"id":3856694,"name":"Fermilab","domain":"fermilab.ai","url":"https://alion.io/company/fermilab","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":11,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":18,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Science & Research","role_family":"Science & Research","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":69800,"max":92600,"currency":"USD","period":"year","gross":null,"usd_annual":92600},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-28T00:00:00Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-10-31T01:22:54Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"The expected hiring range for this position is:\n$69,800.00-$92,600.00.Please note that the pay range information is a general guideline only. The pay offered to a selected candidate will be determined based on factors such the scope and responsibilities of the position, qualifications of the selected candidate, business considerations, internal equity, and external market pay for comparable jobs.\nThis position is not available for relocation assistance, sponsorship assistance or our referral bonus program.\nAbout the Role:\nThe Target Physics Group of the Accelerator Directorate's Target Systems Division seeks a Postdoctoral Research Associate to assist in radiation transport calculations and related activities. The successful candidate will primarily:\nUnder general direction and in consultation with more experienced scientists, you will conduct research related to the overall mission of the Laboratory. Research may be within any scientific or technology development activity of the appointee’s Division. Appointees do not have specific line or organizational responsibilities.\nAppointment is for a specific term, calculated from the time of arrival at Fermilab. Term may be extended as appropriate.\nWhat your day-to-day as a Radiation Transport Research Associate at Fermilab will look like:\nPerforming radiation transport calculations needed to complete the safety and shielding calculations for the Long Baseline Neutrino Facility (LBNF). Advanced working knowledge of multiple radiation transport codes (e.g. FLUKA, PHITS, Geant4, etc.) is expected.\nContributing to radiation transport calculations for other projects and accelerator operations. Demonstrated proficiency in programming languages and high-performance computing are required.\nParticipating in the development and execution of experiments to improve our knowledge of radiation transport and protection.\nDemonstrating an interest and experience in the application of AI/ML techniques to software development, experiment control, and data acquisition and analysis is desirable. Broad knowledge and curiosity in relevant specialties of the group, including radiation protection, target station design, tritium\nDesigning, building, installing or commissioning new or upgraded elements of experiments or particle accelerators.\nParticipating in data acquisition, conduct analysis and present/publish outcomes at conferences and/or in refereed journals.\nPerforming other duties as assigned by supervisor.\nAbiding by and being responsible for performing all duties in accordance with all environmental, health and safety regulations and practices pertinent to this position.\n\nSkills and Attributes for Success:\nAppointees usually have recently completed their PhD (often within the last two years) or are expected to complete it within the current calendar year.\nApplicable Knowledge, Skills and Abilities Required:\nDemonstrated potential to make contributions to the Laboratory that will subsequently qualify them for appointment as an Associate Scientist.\nExperience with multiple radiation transport codes\nWork Arrangement:\nPlease note that the described work arrangement is subject to change based on business needs and is not guaranteed to be final.\nOnsite: This is an onsite role, and the candidate must be able to work from our Batavia office.\nBenefits/Perks:\nFermilab offers a competitive and comprehensive benefits program, including:\nMedical, Dental, Vision and Flexible Spending Accounts\nPaid time off\nLife insurance\nShort and Long-term disability insurance\nRetirement benefits \nOnsite day care\nWhy Fermilab:\nFermilab is America’s premier laboratory for particle physics and accelerator research, funded by the U.S. Department of Energy. We support discovery science experiments in Illinois and locations around the world, including deep underground mines in South Dakota and Canada, mountaintops in Arizona and Chile, CERN in Europe and the South Pole.\nPre-Employment Screening:\nDrug-Free Workplace & Pre-Employment Screening\nFermilab is dedicated to fostering a safe, productive and drug-free environment. An offer of employment is contingent upon the successful completion of a background check and drug screening.\nHSPD-12\nIn accordance with Homeland Security Presidential Directive 12 (HSPD-12) new employees are required to obtain and maintain a HSPD-12 Personal Identity Verification (PIV) Credential. To obtain this credential, new employees must successfully complete and pass a federal background check investigation. This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture. This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws. Failure to obtain or maintain such government access authorization could result in the withdrawal of a job offer or future termination of employment.\nForeign Government Sponsored Activities\nFermilab employees, and certain guest researchers and contractors, are subject to particular restrictions related to participation in Foreign Government Sponsored or Affiliated Activities, as defined and detailed in United States Department of Energy Order 486.1A. Such individuals will be asked to disclose any participation for review by Fermilab's Office of General Counsel.\nREAL-ID Requirement for access to Fermilab Campus\nFermilab requires all members of the public to produce a REAL-ID, or equivalent, to access the Fermilab Campus for interviews or career events. A list of acceptable forms of ID can be found here: https://get-connected.fnal.gov/wp-content/uploads/2021/09/REALID-Documents.pdf. If a candidate is selected for an interview but does not possess any of the equivalent documents, we may schedule a virtual interview.\nEqual Opportunity Statement\nFermilab is an equal opportunity employer. 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