Early-Career Software Simulation & Analysis Engineer

Sandia National Laboratories

New Mexico

On-site

USD 102,400 - 199,700

Full time

14 days+

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Benefits offered by this job

9/80 schedule

4/10 schedule

Telecommuting options

Relocation assistance

Generous vacation

Job summary

Sandia National Laboratories is seeking early‑career software engineers to modernize legacy systems and build high‑fidelity simulations for national security applications. You’ll work across the full software stack, from legacy Fortran/C/C++ to Python and GPU‑accelerated libraries, collaborating with multi‑disciplinary teams.

The role emphasizes Agile development, modern tooling, and opportunities to lead funded projects, with onsite requirements and competitive benefits.

Qualifications

Bachelor's degree in a relevant discipline or equivalent combination demonstrating independent R&D ability.
Ability to obtain and maintain a DOE Q clearance.
Graduate degree with independent research component preferred.
Experience across full software lifecycle with modern practices (Agile, CI/CD, version control).
Experience modernizing legacy code and scientific models to newer languages/platforms.

Responsibilities

Develop high‑fidelity modeling, simulation, and ML surrogates using Agile practices.
Refactor legacy code (Fortran, C, C++, MATLAB) to modern languages.
Translate/modernize older models to Python/C++/GPU‑accelerated libraries.
Collaborate with architects, developers, and customers to deliver extensible software.
Contribute to missions spanning signal processing, analytics, cloud, ML, and big data.
Provide model and system level expertise to users and partners.
Lead funded efforts for current and emerging needs.
Participate in leadership development and cross‑team initiatives.