Scientific Applications Programmer
RedLine Performance Solutions, LLC
full-time
Posted on:
Location Type: Hybrid
Location: College Park • Maryland • United States
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Tech Stack
About the role
- support the Environmental Modeling Center (EMC) of the National Centers for Environmental Prediction (NCEP)
- carry out research, development, and operational transition of ingest, processing, quality control, and handling of environmental observations
- develop, maintain, modernize, and expand workflows for mission-critical weather prediction systems
- work with a team of other software developers and physical scientists to develop cross-application tools
- contribute to the development of critical workflow infrastructure for major modeling systems
- comprehending and adhering to operational computing standards in support of operational code deliveries
- port workflows to new high-performance computing and/or cloud platforms
- develop user interfaces that allow scientists to easily set up experiments
- conduct profiling of performance-critical model code and identify and implement performance improvements
- maintain documentation standards that support community model development
- incorporate modern software management practices including unit testing, continuous integration, and agile development techniques
- maintain and modernize the CMake-based build systems
Requirements
- Candidates must be a U.S. Citizen or U.S. Permanent Resident (Green Card Holder)
- must have lived in the U.S. for 3-5 years prior to application
- must have the ability to obtain a Public Trust security clearance
- background in meteorology/NWP, physical sciences, mathematics, or closely related field with demonstrated numerical modeling and related scientific computing experience
- experience with data assimilation (JEDI, SOCA) is strongly preferred
- experience with ocean and sea ice models, coupled frameworks, and scientific data formats (HDF5, NetCDF, GRIB/2) are beneficial
- proficiency in shell scripting, automation (including templated approaches), version control systems (Git), and developing software in a Linux or similar environment
- expertise and demonstrated proficiency in Python and Fortran (including F95+)
- demonstrated working knowledge of modern software engineering practices (requirements gathering, design, prototyping, version control, integration, testing, and documentation)
- demonstrated experience in developing, working with, and running Earth system models or technically similar workflows on high-performance computing platforms including distributed-memory (MPI) and preferably also shared-memory (OpenMP, pthreads) parallelization
- experience with using parallel job schedulers (SLURM, PBS) is strongly preferred
- experience with using workflow managers (Rocoto, ecFlow, Cylc)
- GPU experience is a plus
- familiarity with cross-platform package management, build, and test systems, especially CMake/CTest and pip
- experience with using and developing environment modules (Tcl modules, Lmod) is strongly preferred
- experience with package managers (EasyBuild, Spack) and containers (Docker, Apptainer/Singularity, Charliecloud) is a plus
- good verbal and written communication skills in English
- ability to work effectively and professionally as part of a diverse, customer-focused team and collaborate with software engineers and scientists across different teams and agencies
- experience working in Agile/Scrum environments is preferred.
Benefits
- full benefits package including paid time off
- 401k match
- health care benefits
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
PythonFortranshell scriptingdata assimilationnumerical modelinghigh-performance computingparallelizationversion controlAgile developmentunit testing
Soft Skills
communication skillsteam collaborationcustomer-focusedprofessionalismproblem-solvingadaptabilityinterpersonal skillsorganizational skillsleadershipcritical thinking
Certifications
Public Trust security clearance