Senior Scientific Software Engineer - Fed Gov HPC

Jobgether; Oregon; Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Flexible schedules

Parental leave

401(k) match

ESOP

Professional development

Tuition reimbursement

EAP

Medical/dental/vision

Impactful projects

Collaborative environment

Job summary

Jobgether is seeking a Senior Scientific Software Engineer (Fed Gov) in the United States to develop, modernize, and maintain scientific software supporting computational modeling in a national laboratory environment. You will work with Fortran, Python, C, and C++ on Linux, HPC workflows, and MPI-based systems.

You will refactor legacy code, ensure reliability, and apply software quality practices with reproducible builds.

Qualifications

• Master's degree in Computer Science, Engineering, or related discipline with 5+ years in computational modeling and software development; or Bachelor's with 10+ years.
• Proven experience on at least one project in the last 5 years involving computational modeling in a regulated, safety-critical environment.
• Strong programming in Fortran, Python, and C/C++.
• Proficiency in Python 2 and Python 3, including modernization of legacy Python apps.
• Experience on GNU/Linux development and Linux build systems.
• Familiarity with HPC and job schedulers (Slurm or equivalent).
• Scripting in Bash or similar Unix shell.
• Experience with Git and reproducible builds; source documentation tools like Doxygen.
• Experience with OpenMPI/MPICH/Intel MPI and parallel computing frameworks.

Responsibilities

• Sustain, analyze, maintain, and modernize scientific software including legacy systems.
• Refactor code to improve portability, performance, maintainability, and stability.
• Support HPC workflows and job schedulers; develop and maintain software with MPI.
• Debug, profile, benchmark, and optimize performance of scientific software.
• Collaborate on Linux-based development and reproducible scientific workflows.
• Ensure quality with testing, verification, and validation practices.

Skills

Scientific programming

Fortran

Python

C/C++

GNU/Linux

Bash

MPI (OpenMPI/MPICH/Intel MPI)

Git

Software testing

Debugging/Profiling

Education

Master's degree in Computer Science/Engineering or related field

Bachelor's degree + 10 years experience

Tools

Slurm

GNU/Linux toolchains

Doxygen

OpenMPI

MPICH

Intel MPI

Job description

Jobgether is seeking a Senior Scientific Software Engineer (Fed Gov) in the United States to develop, modernize, and maintain scientific software supporting computational modeling in a national laboratory environment. You will work with Fortran, Python, C, and C++ on Linux, HPC workflows, and MPI-based systems.

You will refactor legacy code, ensure reliability, and apply software quality practices with reproducible builds.