Senior Scientific Software Engineer for HPC & Modeling

RE/SPEC Inc.; New Mexico; On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Flexible Work Schedules

Paid Parental Leave

401(k) & ESOP (with company match up0

Professional Development and Training

Tuition Reimbursement

Employee Assistance Program

Medical/Dental/Vision Insurance Plans

Job summary

RESPEC is seeking a Senior Scientific Software Engineer to support scientific computing work for a large National Laboratory. You will sustain and modernize computational modeling software, focusing on reliable, maintainable code and performance on Linux and HPC systems.

You will work in a 100% employee-owned company delivering high-impact solutions across energy transition, infrastructure resilience, and sustainability, collaborating with multidisciplinary teams to drive value and innovation.

Qualifications

• Master's degree in computer science, engineering, or related field with at least 5 years of computational modeling, software development, and documentation experience.
• Bachelor's degree in a related discipline with at least 10 years of relevant experience.
• Recent project experience within last 5 years involving computational modeling and software development in regulated, safety-critical environments.

Responsibilities

• Sustain, analyze, and modernize scientific software, including legacy systems.
• Refactor code to improve portability, efficiency, maintainability, and stability.
• Support computational modeling across conceptual, process, and numerical models.
• Debug, profile, benchmark, and assess software performance and scalability.
• Support Linux development, HPC workflows, and job-scheduler use.
• Apply software quality practices, testing, and verification and validation.
• Document source code, technical debt, risks, and software workflows.
• Support reproducible builds, scientific data workflows, and migration readiness.
• Perform work in accordance with applicable Nuclear Quality Assurance (NQA-1) requirements.

Skills

Scientific programming

Code maintenance

Documentation

Education

Master's degree in computer science, engineering, or related field

Bachelor's degree in a related discipline

Tools

Fortran

Python

C

C++

Linux

Slurm

Bash

Git

Doxygen

MPI (OpenMPI/MPICH/Intel MPI)

Job description

RESPEC is seeking a Senior Scientific Software Engineer to support scientific computing work for a large National Laboratory. You will sustain and modernize computational modeling software, focusing on reliable, maintainable code and performance on Linux and HPC systems.

You will work in a 100% employee-owned company delivering high-impact solutions across energy transition, infrastructure resilience, and sustainability, collaborating with multidisciplinary teams to drive value and innovation.