71 fortran jobs at 30 companies in California
2mo
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Senior Fortran Compiler Engineer
Hillsboro or Santa Clara or Washington or Massachusetts or Minnesota
$184k-$288k/yr HybridFull Time
6+ YOE6+ years on a production Fortran compiler, degree in CS/ECE or equivalent, strong compiler internals and semantic analysis, proficiency in C/C++ and parallel architectures.
LLVM Flang, Flang, Fortran, C, C++, OpenACC, OpenMP, CUDA
2mo
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Systems Architect Engineer
San Jose, California, United States
$160k-$200k/yr OnsiteFull Time
7+ YOEDesign and evaluate complex space systems; MBSE; Python/Julia/Fortran/C++; independent work; strong communication.
Python, Julia, Fortran, C++
6d
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Guidance/Navigation/Control Engineering Sr - E3
Sunnyvale, California, United States
$123k-$228k/yr OnsiteFull Time
3+ YOERequires 3+ years of related experience, Matlab/Simulink, Python, C, C++, or Fortran, control systems expertise, strong communication, U.S. citizenship, and eligibility for Secret clearance.
MATLAB, Simulink, Python, C, C++, Fortran, FPGAs, microcontrollers
1mo
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Postdoctoral Scholar in Computational Biophysics
Merced, California, United States
$71k-$86k/yr OnsiteFull Time
PhD in a related field, experience with Linux, programming (Python/Perl/C/Fortran), molecular dynamics software (CHARMM/OpenMM/NAMD/GROMACS), and a record of peer-reviewed publications.
Linux, Python, Perl, C, Fortran, CHARMM, OpenMM, NAMD, GROMACS
6d
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Staff Aerothermal CFD Methods Engineer
Playa Vista, California, United States
$161k-$221k/yr OnsiteFull Time
9+ YOEBachelor's degree or equivalent experience; 9+ years developing CFD methods and solvers; high-enthalpy flow, gas dynamics, chemistry, multiphase flow, numerical methods, and Fortran, C, or C++ experience.
US3D, Fortran, C, C++, MPI, KH-RT, TAB
3w
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Tool Development and Integration Engineer
Colorado Springs or El Segundo
OnsiteFull Time
1+ YOEBachelor's in STEM, ≥1 year relevant experience with space systems or algorithms, programming experience in MatLab/C/C++/Java/Python/FORTRAN, Microsoft Office proficiency, ability to obtain U.S. security clearance.
MatLab, C, C++, Java, Python, FORTRAN, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
3w
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R&D Engineering, Staff Engineer
Livermore, California, United States
$120k-$180k/yr HybridFull Time
4+ YOE4+ years developing computational mechanics or HPC simulation software; strong Fortran/C/C++ and parallel programming (OpenMP,MPI); GPU experience (CUDA/OpenACC) preferred; BS/MS in relevant field.
Fortran, C, C++, OpenMP, MPI, CUDA, OpenACC, OpenMP Offload, LS-DYNA
1mo
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Quantum Computing Simulation Postdoctoral Fellow
Berkeley, California, United States
$9k-$10k/mo HybridFull Time
PhD within last five years, less than 2 years paid postdoc experience, programming in Python/C++/Fortran/Julia, knowledge of quantum computing algorithms, strong communication and interdisciplinary collaboration skills.
Python, C++, Fortran, Julia, Itensor, CUDA-Q, Qiskit, PennyLane, Git, GPUs
1w
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Principal Software Engineer
Irvine, California, United States
$118k-$218k/yr OnsiteFull Time
PhD in a related engineering field plus expertise in nonlinear mechanics, finite element analysis, numerical methods, and software development using Fortran, C/C++, Python, Linux shell scripting, and commercial FEA software.
MSC Nastran, Marc, Microsoft Word, Microsoft Excel, Fortran, C, C++, Python, Linux
1mo
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Quantum Computing Simulation Postdoctoral Fellow
California, United States
$9k-$10k/mo HybridFull Time
PhD within last five years in physics, computational chemistry, computational science, applied mathematics or related; programming in Python/C++/Fortran/Julia; knowledge of quantum computing algorithms; strong communication and interdisciplinary teamwork.
Python, C++, Fortran, Julia, Itensor, CUDA-Q, Qiskit, PennyLane, Git
4w
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Developer Technology Engineer, Public Sector - New College Grad 2026
Santa Clara, California, United States
$124k-$242k/yr OnsiteFull Time
Pursuing or recently completed BS/MS/PhD in CS/engineering; fluency in C/C++ and/or Fortran; strong math fundamentals; experience with parallel programming (CUDA C/C++, OpenACC) and high productivity languages (Python).
C/C++, Fortran, Python, CUDA C/C++, OpenACC
1mo
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Principal Aeronautical Engineer or Sr. Principal Aeronautical Engineer (Stores Aerodynamics)
El Segundo, California, United States
$114k-$213k/yr OnsiteFull Time
5+ YOEDegree in STEM with 5+ years (principal) or 8+ years (sr principal) aerodynamics experience, knowledge of fixed-wing aerodynamics, MATLAB and programming (Fortran/C/C++/Python), ability to obtain US Secret clearance and SAP.
MATLAB, Fortran, C, C++, Python
2w
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Software Development Engineer - Contact Mechanics
Beijing or Illinois or California or Florida
$130k-$233k/yr HybridFull Time
PhD in computational/applied mechanics or related field, proven FEA contact mechanics development experience, strong continuum mechanics and algorithm skills, Fortran/C++/C development, HPC and parallelization experience, U.S. employment authorization required.
Simcenter Optistruct, Fortran, C++, C
4w
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RF Engineer
Hawthorne, California, United States
$80k-$120k/yr OnsiteFull Time
BS in RF/Electrical Engineering or Physics required; 2+ years RF experience desired; knowledge of electromagnetics, antennas, transmission lines; ANSYS HFSS, C/FORTRAN, MathCad/MATLAB and MS Office experience; eligible for US DoD clearance.
ANSYS HFSS, C, FORTRAN, MathCad, MATLAB, Microsoft Office
3w
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Nuclear Engineering Internship - Summer 2027
Alameda or Albuquerque or Oak Ridge
$30-$34/hr OnsiteInternship
Current student in engineering (nuclear/mechanical/materials/chemical/engineering science) with coursework or experience in reactor physics, thermal hydraulics, CFD, or related areas; familiarity with Python/MATLAB/C++/Fortran and Microsoft Office; strong communication and problem-solving skills.
Python, MATLAB, C++, Fortran, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint
1mo
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DevSecOps Engineer
Irvine, California, United States
$150k-$213k/yr HybridFull Time
3+ YOEBachelor's degree, 3+ years software experience (developers with <3 may apply with strong projects). Proficiency in C++, Python, CMake, MATLAB, Fortran, package managers (Conan), Git/GitLab; experience with CI/CD and build/test pipelines; U.S. citizenship or other ITAR-eligible status.
C++, Python, CMake, MATLAB, Fortran, Conan, Git, GitLab, Simulink, STK, Astrogator, GMAT, Orekit
1mo
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Structural and Dynamic Systems Tech Specialist - Analytical
Stoughton or Madison or Alabama or California or Florida or Idaho or Illinois or Indiana or Kansas or Kentucky or Massachusetts or Maine or Michigan or Minnesota or Missouri or Montana or Nebraska or New Hampshire or New Jersey or New York or Ohio or Oregon or Pennsylvania or Rhode Island or South Dakota or Tennessee or Texas or Utah or Washington or West Virginia or Wisconsin or Wyoming
$88k-$132k/yr OnsiteFull Time
Bachelor's in engineering required (Master's/PhD preferred), prior senior/lead engineer equivalent experience required, expertise in dynamics, vibration, fatigue, simulation (ANSYS, FE-Safe, GT-Suite, AVL Excite), Matlab, Python, APDL-ANSYS, FORTRAN, C, Windows/Linux, and durability testing.
Microsoft Office, Matlab, Python, APDL-ANSYS, FORTRAN, C, Windows, Linux, ANSYS, FE-Safe, GT-Suite, AVL Excite, AI tools
2w
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Trajectory Simulation & Analysis Aerospace Engineer
Santa Maria, California, United States
$64k-$128k/yr HybridFull Time
Bachelor's degree or higher in Aerospace Engineering, U.S. citizenship, astronautics coursework, flight mechanics analysis skills, and MATLAB proficiency; simulation, programming, optimization, or probability experience preferred.
MATLAB, Perl, Python, FORTRAN, C++
1w
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Computer Operator, Linux
Mountain View, California, United States
$24/hr OnsiteFull Time
0+ YOEU.S. citizenship, NASA background-check eligibility, foundational IT knowledge, technical customer service, communication and problem-solving skills, and flexibility for 24/7 shift-based operations; degree or relevant experience required.
Linux, High Performance Computing (HPC), Python, Bash, C, C++, Java, Perl, Ruby, Fortran
1w
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Principal Rotordynamics Engineer
San Diego, California, United States
$121k-$181k/yr OnsiteFull Time
Bachelor's degree in mechanical engineering or related field, extensive turbomachinery design experience, advanced lateral and torsional rotordynamics and CFD knowledge, and strong communication and teamwork skills.
CFD, Fortran, finite element analysis
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