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103 cfd engineer jobs at 39 companies in Diamond Bar, CA

1w
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Staff CFD Analysis Engineer
Torrance, California, United States
$180k-$220k/yr OnsiteFull Time
Valar Atomics
Valar Atomics: Developing scalable, high-temperature, grid-independent advanced nuclear power systems.
8+ YOEBachelor's in Mechanical/Aerospace/Nuclear Engineering,8+ years CFD production experience, V&V practice, turbulence and conjugate-heat-transfer expertise, scripting/automation (Python), experience under regulated quality programs.
Ansys Fluent, Flownex, Python, HPC, FEA
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3mo
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Staff Aerothermal CFD Engineer
Playa Vista, California, United States
$161k-$221k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
9+ YOEBachelor's in Aerospace or Mechanical Eng; 9+ years in hypersonic aerothermodynamics; CFD/DSMC; high-fidelity gas dynamics; meshing tools; non-equilibrium flows; data integration; uncertainty quantification; fast-paced environment.
SPARTA, DAC, MAP, Plasma simulation tools, Pointwise, Link3D, US3D, DPLR, LAURA, Python, Fortran, C++, MATLAB
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2mo
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Mechanical Designer - CFD Analyst
Los Angeles or Los Angeles or Orange or El Segundo or Denver or Sacramento or Addison or Boston or Chicago or Royal Oak or San Francisco or San Diego
$110k-$150k/yr HybridFull Time
HED
HED: Integrated architecture and engineering firm providing design services.
5+ YOEBachelor's in mechanical engineering; 5+ years in AEC; 3+ years CFD; Revit experience; strong communication; detail-oriented; team oriented.
CFD, Revit
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19h
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Aerothermal Engineer
Littleton or Irvine
$90k-$140k/yr OnsiteFull Time
Canopy Aerospace & Defense
Canopy Aerospace & Defense: Manufacturer of advanced thermal and signature-reducing aerospace materials.
2+ YOERelevant technical bachelor's degree and 2+ years of vehicle-level CFD experience, with thermal analysis, heat transfer, TPS sizing, Python, CFD tools, spacecraft lifecycle knowledge, and ability to obtain a Secret clearance.
Computational Fluid Dynamics (CFD), FIAT, CHAR, CBAero, TPSSizer, MINIVER, LAURA, Python, FUN3D, Star-CCM+, ANSYS Fluent, ANSYS
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2mo
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Hardware Development Engineer II
Long Beach, California, United States
$104k-$143k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
2+ YOEBS in science/engineering; 2+ years engineering exp; thermo, structures, CFD/FEA (ANSYS); manufacturing process development; hands-on hardware integration.
CFD, FEA, ANSYS
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3w
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Thermal Engineer
Los Angeles, California, United States
$92k-$140k/yr OnsiteFull Time
Hermeus
Hermeus: Develops high-speed and hypersonic aircraft for defense and transportation.
Bachelor's in mechanical/aerospace/thermal engineering, proficiency with ANSYS/CFD/Thermal Desktop, experience in thermal management for high-speed vehicles, strong analytical and communication skills, U.S. person required for export-controlled work.
ANSYS, CFD, Thermal Desktop
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2mo
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Turbomachinery Engineer II
El Segundo, California, United States
$108k-$130k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
3+ YOEBachelor's in Mechanical or Aerospace Engineering, 3+ years in aerospace propulsion, proficiency with Siemens NX and SolidWorks, experience with structural design, CFD/FEA analyses, test development, and hands-on turbomachinery work.
Siemens NX, SolidWorks, CFD, FEA, 3d-printing, GD&T
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1mo
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Aerodynamics Engineer, Air Vehicles (Fastwater Staffing)
Costa Mesa, California, United States
OnsiteFull Time
Hikinex
Hikinex: Provider of outsourced sales and administrative business solutions.
3+ YOEBS in Aerospace Engineering, 3+ years engineering experience, aerodynamic/CFD and performance analysis, wind/flight test experience, programming in MATLAB or Python, eligible for U.S. Secret clearance.
MATLAB, Python, CFD, StarCCM+, Missile DATCOM, OTIS, DYMOS
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1mo
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Senior Mechanical Engineer
Los Angeles, California, United States
$150k-$170k/yr OnsiteFull Time
PureTek
PureTek: Manufactures pharmaceuticals, nutritional supplements, and personal care products.
7+ YOEBachelor's in Mechanical Engineering, 7+ years mechanical design experience, strong CAD and simulation skills (SolidWorks, AutoCAD, FEA, CFD), PE preferred, experience with PLM and quality standards (ISO 9001/AS9100).
SolidWorks, AutoCAD, CAD, FEA, CFD, PLM
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2d
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Senior Propulsion Test Engineer
Lompoc or Palmdale
OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
10+ YOEBachelor's in engineering,10+ years propulsion experience,proficiency with 3D CAD and FEA/CFD,ability to obtain DoD Secret clearance,strong communication and teamwork skills.
3D CAD, FEA, CFD, Confluence, Jira
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1mo
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Senior Propulsion & Hydrodynamics Engineer
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOEBachelors in naval architecture/ocean/mechanical engineering, 5+ years in marine propulsion or hydrodynamics, experience with CFD and hydrodynamic modeling, familiarity with electric thrusters, and ability to obtain U.S. Secret clearance.
CFD, Lattice OS
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1mo
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Principal Mechanical Engineer
Torrance or Hawthorne
$200k-$230k/yr OnsiteFull Time
Salient Motion
Salient Motion: Develops modular electromechanical actuation systems for aerospace and defense.
10+ YOEUS citizen or permanent resident required. Bachelor's in Mechanical/Aerospace engineering, 10+ years product-lifecycle experience, expertise in mechanism design, qualification to DO-160/MIL-STD-810, SolidWorks and FEA/CFD familiarity, GD&T and DFM experience.
SolidWorks, Creo, Inventor, FEA, CFD, PDM, MBD, ASME Y14.5, GD&T, DO-160, MIL-STD-810, AGMA Standards, GSE
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2mo
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Turbomachinery Engineer (Raptor)
Hawthorne, California, United States
OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor’s in engineering; 1+ years turbomachinery design; Master’s preferred; CAD/CFD experience beneficial.
Siemens NX, Ansys
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1mo
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Mechanical Engineer, Data Centers - Remote (U.S.)
Arlington or Chicago or Columbus or Dallas or Los Angeles or Phoenix
$150k-$195k/yr RemoteFull Time
AECOM
AECOMNYSE: ACM: Global infrastructure consulting firm providing design and engineering services.
6+ YOEBachelor's degree with 6+ years or equivalent, PE required, experience in data center mechanical/HVAC systems, CFD, and standards (TIA 942, Uptime); occasional travel; no sponsorship.
Computational Fluid Dynamics (CFD)
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1mo
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Mechanical Engineer, Data Centers - Remote (U.S.)
Los Angeles or Arlington or United States
$150k-$195k/yr RemoteFull Time
AECOM
AECOMNYSE: ACM: Provides infrastructure consulting and engineering services for global projects.
6+ YOEPE registration required; Bachelor's degree with 6+ years' relevant experience (or equivalent). Experience in data center mechanical systems, HVAC and heat rejection design, CFD analysis, equipment installation/operation, and familiarity with industry standards.
Computational Fluid Dynamics (CFD)
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1w
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Senior Aerodynamics Engineer
El Segundo, California, United States
$120k-$220k/yr OnsiteFull Time
Icarus
Icarus: Builds solar-powered aircraft for stratospheric intelligence and connectivity.
2+ YOEBachelor's in aerospace/mechanical engineering, 2+ years running automated CFD workflows in STAR-CCM+, AWS/HPC experience, CATIA proficiency, strong fluid dynamics and communication skills.
STAR-CCM+, Java, Python, AWS, CATIA
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1mo
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Fire and Life Safety Engineer (Los Angeles, CA, US)
Los Angeles, California, United States
$107k-$130k/yr HybridFull Time
Mott MacDonald
Mott MacDonald: Global engineering and management consultancy for infrastructure and development.
5+ YOEBachelor's in fire protection/mechanical or equivalent, PE licensed in CA, 5+ years fire protection engineering, proficiency with building codes (CBC, IBC, NFPA), FDS/CFD and egress/smoke control modeling, project management and strong communication.
FDS, CFD
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2mo
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Aerodynamics Engineer
Los Angeles, California, United States
OnsiteFull Time
Furientis
Furientis: Develops cost-effective, high-volume interceptor missile systems.
7+ YOEB.S. in engineering or related (M.S./Ph.D. preferred); 7+ years missile/munitions or high-speed airframe aerodynamics with airframe ownership through wind tunnel and flight; CFD and DATCOM fluency; Python and scripting skills; U.S. Person required.
Star-CCM+, OVERFLOW, Cart3D, SU2, OpenFOAM, Missile DATCOM, AeroPredict, MISL3, RASAero, Python, NumPy, SciPy, C++, C, Rust, Claude Code, Codex, OpenCode
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3w
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Senior Fluid Engineer
El Segundo, California, United States
$150k-$250k/yr OnsiteFull Time
The Advanced Manufacturing Company of America
The Advanced Manufacturing Company of America: Manufacturer of critical components for aerospace and defense platforms.
5+ YOEBachelor's degree in engineering,5+ years designing fluid control hardware,proficiency with Creo/SolidWorks/NX and GD&T,CFD experience preferred,ability to carry designs through qualification,ITAR requires U.S. person.
Creo, SolidWorks, NX, GD&T, ANSYS Fluent, Simcenter STAR-CCM+
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3mo
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Staff Thermal Design Engineer
Palo Alto or Irvine
$149k-$187k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
4+ YOEMaster’s or PhD in Mechanical or Thermal Engineering; 4-8+ years (PhD 4-6+); extensive experience in electronic cooling, CFD/thermal analysis, and automotive reliability standards.
ANSYS Icepak, Fluent, Flotherm, Star-CCM+, ANSA, META
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