Los Alamos National Laboratory Jobs

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Job Information

Los Alamos National Laboratory MCNP User Support Specialist / (Scientist 1) in Los Alamos, New Mexico

What You Will Do

Do you have extensive experience using Los Alamos’ MCNP simulation code and want to share that experience to make a positive impact on the world-wide community of nuclear science and engineering? If the answer is “yes” we encourage you to learn more about our opening for a MCNP User Support Specialist (Scientist 1) in XCP-3 (Monte Carlo Codes).

XCP-3 provides the Monte Carlo particle transport capability needed to accurately predict the interaction of radiation with matter. Our work supports a variety of Laboratory missions, including stockpile stewardship, nonproliferation, threat reduction, and energy and environmental sciences. We deliver technology, methods, production quality codes, and training to sponsors, primarily U.S. federal agencies, through research, development, and maintenance of high-quality software and documentation. Our predictive capability is the nation’s foremost predictive tool for nuclear criticality safety simulations and plays a central role in tying nuclear weapon simulations to the nuclear test database. XCP-3 maintains and develops the MCNP Monte Carlo simulation software which is widely used in a number of missions at Los Alamos and throughout the DOE complex. For more information about MCNP follow this link:https://mcnp.lanl.gov

You will be an important member of the MCNP team. You will be primarily responsible for user support, including outreach to users and stakeholders throughout Los Alamos and the world-wide community of users. Additionally, you will participate in MCNP training classes, software issue tracking, user support tracking, user code manual, documentation, and website maintenance. You will be expected to participate in the development and maintenance of MCNP.

What You Need

Minimum Job Requirements:

Engineering/Scientific Background

You must haveknowledge and experience in one or more technical disciplines as well as an understanding of principles of scientific integrity.


For this role you will need proficiency in a programming language such as Fortran, C/C++, and/or Python.


Team work is essential to the success of our group. As such, you will need to have demonstrated the ability to function effectively in a team environment with a willingness to learn new skills and be flexible in work assignments. This includes exhibiting professional conduct in interactions with co-workers and supervisors.


Communication skills are critical to this position. Youwill be expected to lead outreach to users which will include: webpage development, in person and online training classes, user meetings, software user documentation,and conference presentations. Excellent written and oral communication skills are required.

Education/Experience : This position requires an advanced degree in a STEM field from an accredited college or university, or an equivalent combination of education and experience.Preference will be given to those withaBachelor’s degree with significant MCNP experience (at least 4 years) or aMaster’s degree in Nuclear Engineering, Computer Science, Physics, or Applied Mathematics, completed within the last five years or soon to be completed.

Desired Qualifications:

Additional Simulation and Software

In addition, it would be helpful if you had experience in performing modeling with other radiation transport simulation codes (e.g. GEANT, OPENMC, PARTISN, etc.).

User Support and Issue Tracking Tools

It would also be helpful, if you have experience with user support and issue tracking tools.

Note to Applicants:

For full consideration you need to submita CV, and a comprehensive cover letter describing your qualifications and you meet the required and desired (as appropriate) requirements for the position.

Additional Details

Directive 206.2 - Employment with Triad requires a favorable decision by NNSA indicating employee is suitable under NNSA Supplemental Directive 206.2 . Please note that this requirement applies only to citizens of the United States. Foreign nationals are subject to a similar requirement under DOE Order 142.3A.

Clearance: Q (Position will be cleared to this level). 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. SeeDOE Order 472.2for 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.

Regular position: Term status Laboratory employees applying for regular-status positions are converted to regular status.

Internal Applicants: Regular appointment employees who have served at least one year of continuous service in their current position are eligible to apply for posted jobs throughout the Laboratory. If an employee has not served the one year of continuous service, they may only apply for Laboratory jobs with the documented approval of their Division Leader.Please refer to LaboratoryPolicy P701for applicant eligibility requirements.

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 applyhelp@lanl.gov 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 Dieringer, Kimberley Ann
Email kdieringer@lanl.gov
Work Telephone
Vacancy Name: IRC82337
Organization Name XCP-3 / Monte Carlo Codes
Minimum Salary 83300
Maximum Salary 136200
Req ID: IRC82337
Category: Science