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RESPEC

Senior Scientific Software Engineer – Fed Gov

RESPEC

. Sustain, analyze, and modernize scientific software, including legacy systems .

Posted 11/2/2026full-timeRemote • New Mexico • United StatesSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in scientific programming, particularly with Fortran, Python, and C/C++, while ensuring software quality and compliance in high-consequence environments. Proficient in modernizing legacy systems and supporting computational modeling workflows in regulated settings.

Highest-signal resume keywords
Scientific Programming With FortranScientific Programming With PythonHPC Systems And Job SchedulersSoftware Quality Practices And TestingDebugging And Performance Analysis

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
FortranPythonCC++GNU/LinuxHPC WorkflowsBash ScriptingGitOpenMPIPerformance Analysis
Tools & Technologies
DoxygenSlurmMPICHIntel MPIVersion Control
Industry Keywords
Computational ModelingLegacy Code ModernizationNuclear Quality Assurance (NQA-1)Mission-Critical EnvironmentReproducible Builds

Tech Stack

Tools & technologies
LinuxPythonShell ScriptingUnixC++

About the role

Key responsibilities & impact
  • 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
  • Support scientific computing work for a large National Laboratory
  • Sustain and modernize computational modeling software used in a high-consequence environment

Requirements

What you’ll need
  • Master’s degree in computer science, engineering, or a related discipline, and at least 5 years of relevant experience; or Bachelor’s degree in a related discipline and at least 10 years of relevant experience
  • At least one project within the 5 years preceding the response deadline involving both computational modeling and software development in a regulated, safety-critical, high-consequence, or equivalent mission-critical environment
  • Ability to describe the project’s environment, tasks, responsibilities, and deliverables, and explain why the work was high-consequence or mission-critical
  • Scientific programming with Fortran, Python, and C and/or C++
  • GNU/Linux or equivalent development environments, including build, compilation, and debugging toolchains
  • HPC systems and job schedulers such as Slurm or equivalent
  • Bash or equivalent Unix/Linux shell scripting
  • Software quality practices, testing, and scientific data formats and workflows
  • Debugging, profiling, performance analysis, and legacy-code modernization
  • Git or equivalent version control and reproducible builds
  • Source-code documentation tools such as Doxygen or equivalent
  • Python 2 and Python 3
  • C and C++
  • OpenMPI, MPICH, or Intel MPI
  • Serial and parallel scientific codes
  • Work in accordance with applicable Nuclear Quality Assurance (NQA-1) requirements

Benefits

Comp & perks
  • 100% employee-owned company with ESOP
  • Flexible Work Schedules
  • Paid Parental Leave
  • 401(k) & ESOP with company match up to 4%
  • Professional Development and Training
  • Tuition Reimbursement
  • Employee Assistance Program
  • Medical/Dental/Vision Insurance Plans