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Computing Software Engineer; Scientist

Job in Los Alamos, Los Alamos County, New Mexico, 87545, USA
Listing for: Los Alamos National Security LLC
Full Time position
Listed on 2026-06-18
Job specializations:
  • Science
    Research Scientist
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: High Performance Computing Software Engineer (Scientist 1)

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 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 Recognized proficiency with modern C++. Experience in Fortran and C, development of multi‑physics scientific codes, software engineering practices, and user support is preferred.

Collaboration Demonstrated ability to function effectively in a team environment, willingness to learn new skills, and flexibility in work assignments. Professional conduct in interactions with co‑workers and supervisors.

Communication Excellent written and oral communication skills are required.

Clearance Ability to obtain a DOE Q Clearance, which typically requires US Citizenship.

Education/Experience Bachelor’s degree in a STEM field from an accredited college or university and 2 years of related experience, or an equivalent combination of education and experience directly related to the occupation.

Desired Qualifications

C++ Expertise Experience in C++ template metaprogramming and compile‑time programming techniques along with C++ standards knowledge is preferred.

Mission Focus Experience with LANL’s mission and research environment, including impact on programmatic deliverables for the nuclear weapons program is preferred.

Education B.S. degree in applied mathematics, physics, engineering or related field. M.S. or Ph.D. may be preferred.

Work Location

The work location for this position is onsite in Los Alamos, NM. All work locations are at the discretion of management.

Position Commitment

Regular appointment employees must serve a period of continuous service in their current position 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 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 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 of the applicant’s relevant experience for each requirement.
  • Contact: Brandon Smith (bmsmith)
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…
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