91 comsol jobs at 56 companies in Sunnyvale, CA
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Si Photonics Design Engineer - Fremont, California, United States
Fremont, California, United States
$150k-$225k/yr OnsiteFull Time
2+ YOEMaster's in Electrical Engineering or Physics; 2+ years silicon photonics design; experience with photonic devices and CMOS backend; familiarity with Lumerical, COMSOL, and FIMMPROP
Lumerical, COMSOL, FIMMPROP
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Senior Package Reliability Engineer
San Jose, California, United States
$167k-$240k/yr OnsiteFull Time
8+ YOEMaster's in engineering or related plus 8+ years in semiconductor package thermal/thermomechanical analysis; experience with Ansys/Abaqus/COMSOL and Python; reliability statistics and failure analysis skills.
Ansys, Abaqus, COMSOL, Python
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RF/Plasma Engineer 3 (Fremont, CA)
Fremont, California, United States
$119k-$220k/yr HybridFull Time
5+ YOEMinimum 5 years of related experience with a Bachelor's; expertise in RF delivery systems and RF measurement equipment; high-voltage knowledge; proficiency with SPICE, LabView, HFSS/Comsol/MATLAB.
SPICE, LabView, HFSS, Comsol, Microwave Studio, MATLAB
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Simulation Engineer
San Carlos, California, United States
$120k-$204k/yr OnsiteFull Time
5+ YOEBachelor's or Master's in Mechanical/Aerospace engineering, 5+ years simulation experience (thermal/structural/dynamics), proficiency with ANSYS/Abaqus/COMSOL/MSC Adams, experience validating models with test data.
ANSYS, Abaqus, COMSOL, MSC Adams, Python, MATLAB
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Mechanical Engineer - (E4)
Santa Clara, California, United States
$147k-$203k/yr OnsiteFull Time
7+ YOEBachelor's degree, 7+ years engineering experience, FEA/thermal/structural/flow analysis experience (COMSOL or Ansys), 3D CAD design and release (NX/UG preferred), prototype build and testing experience.
FEA, COMSOL, Ansys, NX/UG
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Engineer I, Electrical Hardware Development
Sunnyvale, California, United States
$74k-$116k/yr OnsiteFull Time
3+ YOEBachelors in electrical engineering (or equivalent), minimum 3 years experience with PCB layout/construction/evaluation, familiarity with FDA/regulatory processes, lab test and verification experience, simulation software (SPICE, MATLAB, COMSOL) preferred.
SPICE, MATLAB, COMSOL, Oscilloscope, Spectrum Analyzer, Function Generator, LCR Meter, Power Supply, DSP
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Cryogenics Engineer (f/m/d)
Darmstadt or San Francisco
OnsiteFull Time
3+ YOEMSc or PhD in engineering or physics, 3+ years thermal & fluids cryogenics analysis (or equivalent PhD research), experience with cryogenic systems (hydrogen preferred), thermal modeling (Thermal Desktop, COMSOL), and mentoring/leading projects.
Thermal Desktop, COMSOL
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Thermal Mechanical Engineer
Milpitas, California, United States
$140k-$160k/yr OnsiteFull Time
5+ YOEM.Sc. or Ph.D. in engineering/physics, 5+ years semiconductor modeling and simulation experience, strong thermal and solid mechanics knowledge, proficiency with ANSYS/COMSOL and lab validation, and experience correlating FEA/CFD with test data.
ANSYS, ANSYS Mechanical, ANSYS Icepak, ANSYS Fluent, COMSOL, Ansys AEDT, Ansys Sherlock
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Staff Thermal Simulation Engineer
Berkeley, California, United States
$166k-$194k/yr OnsiteFull Time
8+ YOEPhD/MS/Bachelor in relevant field with industry experience (Bachelor+8+ years), deep CFD and thermal-fluid expertise, experience with Ansys Fluent/Star-CCM+/Comsol, Python or MATLAB scripting, and translating simulation to design.
Ansys Fluent, Star-CCM+, Comsol Multiphysics, Python, MATLAB
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Electromagnetic Engineer
Palo Alto, California, United States
OnsiteFull Time
3+ YOEExperience in electromagnetic modeling and magnetics, simulation software (MagNet, Comsol, Ansys), hands-on lab validation, MS degree in Electrical Engineering, minimum 3 years related experience, regulatory standards knowledge, written and oral reporting.
Infolytica MagNet, Comsol, Ansys
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Mechanical Engineer - (E4)
Santa Clara, California, United States
$147k-$203k/yr OnsiteFull Time
7+ YOEBachelor's degree, 7+ years experience, FEA/thermal/structural/flow analysis experience (COMSOL or Ansys), 3D CAD and NX/UG design, prototype build and test, strong problem solving and cross-functional collaboration.
FEA, COMSOL, Ansys, 3D CAD, NX/UG
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Mechanical Engineer 2
Fremont, California, United States
$73k-$159k/yr OnsiteFull Time
3+ YOEBachelor's in Mechanical or Mechatronics Engineering (Master's or 3 years experience for level 2). 3D CAD (CREO, NX), FEA (Creo Simulation, COMSOL), prototyping, test design, machining and sheetmetal familiarity; strong communication and problem solving.
CREO, NX, Creo Simulation, COMSOL
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Electron Optics Engineer
Milpitas, California, United States
$140k-$155k/yr OnsiteFull Time
Doctorate in physics/EE/ME/materials or related, strong electron optics fundamentals, hands-on electron microscopy and vacuum experiment experience, simulation (MEBS,SIMION,COMSOL,OPERA), scripting (Python,Matlab), CAD (SOLIDWORKS), and strong data analysis.
MEBS, SIMION, COMSOL, OPERA, Python, Matlab, SOLIDWORKS
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Research Scientist
Ann Arbor or Milpitas
$106k-$180k/yr OnsiteFull Time
Ph.D. in physics/materials science/EE or related; background in semiconductor physics, optics, light–matter interactions, vacuum equipment, materials characterization; experienced with optical test benches and simulations (Zemax, COMSOL, Lumerical); strong collaboration and communication skills.
Zemax, COMSOL, Lumerical
4d
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Materials Research Scientist/Engineer
Menlo Park, California, United States
$116k-$172k/yr OnsiteFull Time
0+ YOEPhD in physics/optics/EE or related, 0-2 years relevant experience, experience with full-wave EM modeling (Ansys HFSS or COMSOL Multiphysics), familiarity with inverse design/ML a plus, U.S. citizenship and ability to obtain DoD clearance.
Ansys HFSS, COMSOL Multiphysics
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Sr. Principal Photonics engineer
Santa Clara, California, United States
$128k-$224k/yr HybridFull Time
15+ YOEAdvanced degree in physics/EE/materials/photonics;15+ years photonics experience;deep expertise in optical I/O, silicon photonics, lasers, detectors;modeling experience with Python,COMSOL,Lumerical,Matlab;ability to translate research into technical recommendations.
Python, COMSOL, Lumerical, Matlab
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2026 PhD Residency - Non-Linear Physical Dynamics & Device Characterization (Future of Compute)
Mountain View, California, United States
$100k-$147k/yr OnsiteMultiple Commitments Available
Currently enrolled PhD in a relevant STEM field; hands-on nanoscale device characterization experience; scripting for automated measurements (Python/PyVISA, LabVIEW); device modeling (Python, MATLAB, COMSOL, Verilog-A); strong theoretical device physics and noise analysis skills.
Python, PyVISA, LabVIEW, MATLAB, COMSOL, Verilog-A
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Sr. Staff Thermo-Mechanical Engineer
Santa Clara or Irvine or Westlake Village
$118k-$177k/yr OnsiteFull Time
5+ YOEBachelor’s degree in Electrical/Computer Science or related field with 5-10 years experience, or Master’s/PhD with 3-5 years; strong thermo-mechanical FEA and multi-material systems experience; proficiency with ANSYS/Abaqus/COMSOL; semiconductor packaging knowledge.
ANSYS, Abaqus, COMSOL, Python, MATLAB
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Senior Quantum EDA R&D Engineer – Superconducting Hardware Design
Everett or Santa Clara or Calabasas or Cambridge
$120k-$199k/yr OnsiteFull Time
Hands-on experience designing, modeling, simulating, or validating superconducting quantum hardware; microwave/RF design applied to quantum/cryogenic/EM systems; experience with EM/circuit simulators (ADS, EMPro, HFSS, CST, COMSOL); Python for automation; C++ helpful; MS/PhD or equivalent experience preferred.
ADS, EMPro, HFSS, CST, COMSOL, QuantumPro, ADS Quantum Layout, Quantum Circuit Simulation, Quantum System Analysis, Python, C++
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Staff Mechanical Engineer
Milpitas, California, United States
$130k-$200k/yr OnsiteFull Time
10+ YOEMaster's in mechanical engineering (or equivalent), 10+ years designing complex R&D or semiconductor equipment, vacuum/thermal expertise, hands-on machining experience, vendor management, and willingness to travel and work occasional nights/weekends.
SolidWorks, NX, COMSOL, ANSYS, CNC
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