Senior Scientific Software Engineer - HPC/Fortran+Python

RESPEC Inc.; Albuquerque (NM); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Flexible Work Schedules

401(k) & ESOP (with company match up t

Professional Development and Training

Tuition Reimbursement

Employee Assistance Program

Medical/Dental/Vision Insurance Plans

Job summary

RESPEC Inc. is seeking a Senior Scientific Software Engineer to support scientific computing for a large National Laboratory.

You’ll help sustain and modernize computational modeling software used in a high-consequence environment, with a focus on reliable, maintainable code and performance on Linux and HPC systems. The role emphasizes rigorous testing, documentation, and reproducible builds, with responsibilities spanning debugging, profiling, and optimizing software for scalable HPC workloads.

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.

Job description

RESPEC Inc. is seeking a Senior Scientific Software Engineer to support scientific computing for a large National Laboratory.

You’ll help sustain and modernize computational modeling software used in a high-consequence environment, with a focus on reliable, maintainable code and performance on Linux and HPC systems. The role emphasizes rigorous testing, documentation, and reproducible builds, with responsibilities spanning debugging, profiling, and optimizing software for scalable HPC workloads.