61 comsol jobs at 40 companies in San Rafael, 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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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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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
2mo
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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
2w
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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 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
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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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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RF and YIG Design Engineer
Santa Rosa, California, United States
$124k-$207k/yr OnsiteFull Time
6+ YOEBS/MS/PhD in Electrical Engineering or Physics, 6+ years relevant experience; strong RF/microwave theory, magnetics, and hands-on RF measurement experience; proficiency with RF simulation tools (ADS, EMPro, CST, HFSS, COMSOL); ability to lead technical investigations.
ADS, EMPro, CST, HFSS, COMSOL, network analyzers, spectrum analyzers, signal analyzers, Mentor, KiCad, C#, Python
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MTS Laser Physics Design & Development Engineer
Goleta or Fremont or Santa Barbara
$157k-$185k/yr OnsiteFull Time
7+ YOEMS or PhD in Electrical Engineering, Applied Physics, or Materials Science; 7+ years in laser diode design; strong modeling and simulation; DOE experience; proficient in Python/MATLAB; device characterization
Photon Design, COMSOL, Lumerical, MATLAB, Python, JMP
3w
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Hardware Verification Engineer — Electro-Optic Links
Boston or Mountain View
$195k-$250k/yr HybridFull Time
8+ YOE8+ years experience leading verification of high-speed electro-optic/serial links; hands-on lab characterization; expertise with SerDes, signal integrity, and automation using Python/MATLAB.
Python, MATLAB, VNA, BERTs, TDRs, ADS, HFSS, Cadence, COMSOL
1mo
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Acoustic Data Intern (Fall 2026)
San Francisco, California, United States
$62/hr OnsiteFull Time, Internship
Pursuing a Master's or PhD in EE/CS/Math/Physics or related; experience with Python and C/C++; machine learning and acoustic simulation experience; familiarity with data pipelines, SQL/Spark, and visualization; strong communication.
Python, C/C++, SQL, Spark, Databricks, COMSOL, Treble, pyroomacoustics, SMAART
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Mechanical Architect - Rack, System and Enclosure Design
Oregon or Fremont or Clearwater
$130k-$160k/yr OnsiteFull Time
10+ YOEBachelor's degree in mechanical engineering, 10+ years designing racks/servers/enclosures, expertise in 3D CAD (SolidWorks, Creo, Inventor), FEA/CFD, thermal/structural analysis, and manufacturing processes.
CAE, SolidWorks, ANSYS, COMSOL, Creo, Inventor, PLM
2w
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Lead Photonics Integrated Circuit Engineer
San Francisco or United States
HybridFull Time
PhD in physics/EE with deep expertise in quantum photonics, semiconductor process integration, PIC design/tape-out, modelling and characterization; experience with Cadence Virtuoso, verification flows and photonic simulation tools.
C++, Python, SKILL, TCL, HDL, MATLAB, Lumerical, COMSOL, MEEP, Cadence Virtuoso, Calibre, Hercules, ICV, Dracula, Primeyield, Verilog-A
4w
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Staff Thermal Systems Integration Engineer
Mountain View, California, United States
OnsiteFull Time
10+ YOE10+ years in thermal systems analysis, thermal modeling and simulation, cooling device design, system-level thermal architecture, and cross-functional integration with hardware and controls.
ANSYS Fluent, COMSOL, OpenFOAM, MATLAB, Simulink, Python, Flow, DOORS, Jama, Polarion
1mo
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Staff Scientist PIC Laser
Pleasanton, California, United States
$163k-$214k/yr OnsiteFull Time
3+ YOEPhD in physics/EE or related, 3+ years experience with ultra-stable cavities, frequency combs, or atomic clocks; U.S. person status required; expertise in metrology, nonlinear optics, fiber/bulk optics; proficiency with phase noise measurement and simulation tools.
Lumerical, COMSOL, Python, MATLAB, Phase Noise Analyzer
1d
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Summer 2027 Silicon Engineering Internship/Co-op
Irvine or Palo Alto or Redmond
$30-$40/hr OnsiteInternship
0.25+ YOEMust be enrolled in a bachelor’s or graduate program,3+ months relevant software/hardware/chip development experience,US work-authorization per ITAR,able to work onsite full-time for ≥12 consecutive weeks beginning May/June 2027.
C/C++, Verilog, VHDL, Python, Perl, Spice, Ansys, COMSOL, Timing, Synthesis
2mo
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Principal Process Engineer, ECO Synthesis
Redwood City, California, United States
$165k-$185k/yr OnsiteFull Time
10+ YOE10+ years in chemical/biochemical engineering; expertise in flow chemistry, biocatalysis, oligonucleotide synthesis; leadership in scale-up and tech transfer; strong modeling, analytics, and cross-functional collaboration.
Aspen Plus, SuperPro Designer, COMSOL, DynoChem, R, JMP, Python
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