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Postdoctoral Research Associate
Los Alamos National Security in
Date Posted 01/14/2021
Admin-Laboratory and Research
Employment Type
Application Deadline Open until filled

What You Will Do

The Advanced Nuclear Technology Group (NEN‐2) conducts research, development, training and operations in the application of passive and active nuclear measurement techniques, as well as radiography. Applications of primary interest to the group include weapons of mass destruction, emergency response programs, intelligence support activities, and international treaty verification. NEN‐2 also conducts nuclear criticality research supporting basic research in nuclear chain‐reacting systems and contributing to arms control and treaty verification, waste assay, safeguards and accountability, and environmental restoration. A key component of the NEN‐2 mission is to teach a wide variety of personnel how to safely handle, detect, characterize, and manage nuclear materials. NEN‐2 staff members conduct classes in criticality safety, nuclear materials handling methods, and nuclear instrumentation. NEN critical thinking approach ‐ improving collaboration and safety culture/questioning attitude. NEN‐2 works closely with NCERC Facility Operations (NCERC‐FO) and Mission Support and Test Services, LLC (MSTS) at the Nevada National Security Site (NNSS) to execute unique nuclear critical and subcritical experiments. NEN‐2 likewise works closely with the Nuclear Criticality Safety Division.

The successful Post Doctoral candidate will perform the following duties in this position:

  • Apply the scientific method to R&D projects focused on the mission areas of NEN-2 given above. This may include: o Performing simulations (Monte Carlo and/or Deterministic) to aid in experiment design, validation, and methods development. o Performing data acquisition and analysis with neutron and/or gamma detection systems. o Assist in developing new radiation detectors. o Perform research on methods applied to data acquired from neutron and/or gamma detection systems. o Assisting in critical experiment design and execution. o Becoming a qualified Fissionable Material Handler. o Performing simulations to aid in criticality safety knowledge.

  • Present R&D results to peers via internal, conference, or journal papers

What You Need

Minimum Job Requirements:

Knowledge in one or more of the following technical areas:

  • Familiarity with neutron and/or gamma detection systems including operations and software (MAESTRO, etc.)

  • Knowledge of the physics associated with radiation detection (scintillators, semi-conductors, proportional counters, etc.)

  • Knowledge of neutron data analysis (neutron noise methods, etc.)

  • Knowledge of gamma detection analysis (photopeak identification, etc.)

  • Knowledge of radiation interaction with matter (cross-sections, mean free paths, etc.)

  • Familiarity with reactor physics including multiplication, keff, delayed neutrons, etc.

  • Knowledge of criticality safety

  • Familiarity with radiation transport codes (MCNP, SCALE, OPENMC, GAENT, etc.)


  • Ability to schedule, execute, and meet milestones

  • Ability to communicate effectively both orally and in writing

  • Demonstrated experience planning and executing research projects

Ability to obtain Q Clearance.

Education/Experience : PhD in Nuclear Engineering or Physics at time of hire with a cumulative GPA of at least 3.2 on a 4.0 scale.

Additional Details

Q Clearance: Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements

  • for access to classified matter.

  • Eligibility requirements: To obtain a clearance, an individual must be at least 18 years of age; U.S. citizenship is required except in very limited circumstances. See DOE Order 472.2 for additional information.

New-Employment Drug Test: The Laboratory requires successful applicants to complete a new-employment drug test and maintains a substance abuse policy that includes random drug testing.

Equal Opportunity: Los Alamos National Laboratory is an equal opportunity employer and supports a diverse and inclusive workforce. All employment practices are based on qualification and merit, without regard to race, color, national origin, ancestry, religion, age, sex, gender identity, sexual orientation or preference, marital status or spousal affiliation, physical or mental disability, medical conditions, pregnancy, status as a protected veteran, genetic information, or citizenship within the limits imposed by federal laws and regulations. The Laboratory is also committed to making our workplace accessible to individuals with disabilities and will provide reasonable accommodations, upon request, for individuals to participate in the application and hiring process. To request such an accommodation, please send an email to or call 1-505-665-4444 option 1.

Where You Will Work

Located in beautiful northern New Mexico, Los Alamos National Laboratory (LANL) is a multidisciplinary research institution engaged in strategic science on behalf of national security. Our generous benefits package includes:

§ PPO or High Deductible medical insurance with the same large nationwide network

§ Dental and vision insurance

§ Free basic life and disability insurance

§ Paid maternity and parental leave

§ Award-winning 401(k) (6% matching plus 3.5% annually)

§ Learning opportunities and tuition assistance

§ Flexible schedules and time off (paid sick, vacation, and holidays)

§ Onsite gyms and wellness programs

§ Extensive relocation packages (outside a 50 mile radius)

Appointment Type



Contact Details
Contact Name
Work Telephone
Vacancy Name: IRC83326
Organization Name NEN-2/Advanced Nuclear Technology
Minimum Salary
Maximum Salary
Req ID: IRC83326
Category: Postdoc

*Please mention to employers when applying for this job*
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