High Performance Computing Software Engineer (Scientist 3)

Los Alamos National Laboratory — Los Alamos, NM

Posted: 2026-10-08

Job Description

• Develop and optimize massively parallel multi-physics algorithms for heterogeneous high-performance computing platforms within LANL's Eulerian Codes Group (XCP-2).
• Research, implement, test, and validate applied physics and engineering models in production scientific codes, while educating and supporting users.
• Requires advanced software modernization and performance optimization expertise, massively parallel numerical simulation experience, modern C++ proficiency, and 6 years of relevant experience.
• Requires a Master's degree in a STEM field; an MS in Applied Mathematics, Physics, Engineering, or a closely related discipline is preferred.
• Requires eligibility for a Q clearance, generally including U.S. citizenship, federal background investigation, and a new-employment drug test; Los Alamos, NM; full-time.

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