{"id":2117536,"url":"https://alion.io/job/peraton-scientific-software-developer","title":"Scientific Software Developer","company":{"id":722,"name":"Peraton","domain":"peraton.com","url":"https://alion.io/company/peraton","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":100,"open_postings":10,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":6,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":80000,"max":128000,"currency":"USD","period":"year","gross":null,"usd_annual":128000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"Bash","optional":false},{"name":"C++","optional":false},{"name":"Fortran","optional":false},{"name":"GCC","optional":false},{"name":"Git","optional":false},{"name":"HPC","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"MATLAB","optional":false},{"name":"Perl","optional":false},{"name":"Python","optional":false},{"name":"SLURM","optional":false},{"name":"Unix","optional":false},{"name":"Valgrind","optional":false},{"name":"C","optional":true}],"status":"live","first_seen_at":"2026-10-08T23:36:07Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-12T00:20:46Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Responsibilities\nPeraton requires a software systems engineer to support the Naval Research Labatory (NRL) ocean modeling team in Scientific Software Development at the Stennis Space Center, Mississippi.\nWhat you will do:\nUtilize METOC simulation pipelines, data assimilation systems, and high-performance computing to support the development and optimization of Navy ocean models, including the Hybrid Coordinate Ocean Model (HYCOM) and the Navy Coupled Ocean Data assimilation (NCODA) system\nDevelop, test, and debug scientific software using languages such as Fortran, Python, and C++, and integrate with Navy-specific systems like NCOM and NCODA-var to improve model performance and support the transition of research to operational systems. Improve model coupling, enhance data assimilation techniques, create and maintain comprehensive software documentation, and contribute to technical reports and publications as required to support the overall objectives of NRL Code 7320\nQualifications\nWhat you will need:\n5 years with BS/BA; 3 years with MS/MA\nSecret security clearance\nMust have specific experience in scientific software development, including:\nDemonstrated experience with meteorological and oceanographic (METOC) simulation pipelines, real-time data assimilation systems.\nDemonstrated experience with modern software programming languages: Fortran, Python, Java, C, C++, Assembly and Matlab.\nDemonstrated experience with Linux environment and scripting: Bash/KSH, Perl, NCAR Command-Language.\nDemonstrated experience with modern software development, deployment practices for scientific environments, compilers and workload managers/schedulers: MPI, PBS/Slurm, Netbeans, Eclipse, Vi, Ansible, Git/SVN, GCC/Gfortran, IFX/ICC/Ifort, make, NetCDF, BUFR, GRIB1/2, GDB, Valgrind, Linux/Unix.\nDemonstrated experience with modern software documentation: Javadocs, pydocs, Pod, manpages, custom help menu frameworks (KSH, Perl, Python, and Fortran).\nSpecific experience with Navy ocean modeling and data assimilation software systems: NCOM, NCODA-QC, NCODA-prep, NCODA-var\nDemonstrated experience with executing Navy scientific modeling and data assimilation systems on High-Performance Computing (HPC) platforms.\nDemonstrated ability to debug Navy scientific modeling and data assimilation computer codes.\nPeraton Overview\nPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.\nTarget Salary Range\n$80,000 - $128,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. 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