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Computing Software Engineer; Scientist

Job in Los Alamos, Los Alamos County, New Mexico, 87544, USA
Listing for: Los Alamos National Laboratory
Full Time position
Listed on 2026-06-14
Job specializations:
  • Science
    Research Scientist
Job Description & How to Apply Below
Position: High Performance Computing Software Engineer (Scientist 2)
** What You Will Do*
* The Eulerian Codes Group (XCP-2) is looking for exceptional candidates to develop and optimize cutting-edge algorithms for massively parallel multi-physics codes on heterogeneous high-performance computing platforms. XCP-2 staff span a wide range of computational physics disciplines including software engineering, numerical fluid and solid mechanics, materials science, radiation hydrodynamics, plasma physics, turbulence, magneto hydrodynamics, high explosives, nuclear physics and engineering, and neutral and charged particle transport.

The duties of our well-compensated professionals include research and development of applied physics and engineering models, the implementation of these methods into production codes using excellent software development practices, the testing and validation of these methods, and the education and support of users as they adopt these methods.

** What You Need*
* ** Minimum

Job Requirements:

*
* ** Technical Knowledge*
* For this role you must have demonstrated professional knowledge in software modernization and performance optimization.

** High Performance Computing*
* Demonstrated experience with massively parallel numerical development and simulation, and experience deploying numerical algorithms to heterogeneous computing architectures.

** Software Engineering & Design*
* You will need to have recognized proficiency with modern C++. Applicants with experience in Fortran and C languages and the development of multi-physics scientific codes, including software engineering practices and user support, will be given preference.

** Collaboration*
* Teamwork 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.

** Mentorship*
* At this level you will be expected to have experience mentoring students, postdocs and/or more junior staff.

** Education/Experience** :
Positions requires a bachelor' degree in a STEM field from an accredited college and university and 4 years of related experience, or equivalent experience directly related to the occupation.

** Desired Qualifications** :

+ Advanced degree (MS or PhD) in applied mathematics, physics, engineering or related field.

+ DOE Q Clearance

** C++ Expertise*
* Candidates that demonstrate experience in C++ template metaprogramming and compile time programming techniques along with C++ standards knowledge will be given preference.

** Mission Focus*
* Candidates that demonstrate experience with LANL's mission and research environment including impact on programmatic deliverables for the nuclear weapons program will be given preference.

** Work Location** :
The work location for this position is onsite and located in Los Alamos, NM. All work locations are at the discretion of management.

** Position commitment** :
Regular appointment employees are required to serve a period of continuous service in their current position in order to be eligible to apply for posted jobs throughout the Laboratory. If an employee has not served the time required, they may only apply for Laboratory jobs with the documented approval of their Division Leader. The position commitment for this position is 1 year.

** Note to Applicants** :

Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People's Republic of China-including the special administrative regions of Hong Kong and Macau-as well as citizens of the Islamic Republic of Iran, the Democratic People's Republic of Korea (North Korea), and the Russian Federation, who are not Lawful Permanent Residents ("green card" holders) are prohibited from accessing facilities that support the mission, functions, and operations of national security laboratories and nuclear weapons production facilities, which includes Los Alamos National Laboratory.

Applicants should submit a CV/Resume and cover letter. The cover letter should be composed of a one-page career narrative followed by a bulleted list…
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