170 fluids engineer jobs at 38 companies in Los Angeles, CA

4w
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Mechanical Engineer, Fluids
El Segundo, California, United States
$115k-$150k/yr OnsiteFull Time
Forge Atomics
Forge Atomics: Develops technology to rapidly scale nuclear fission deployment to provide reliable low‑carbon energy.
1+ YOEBachelor's degree in mechanical engineering or related, 1+ years engineering experience, hands‑on fluids and thermal system experience, test instrumentation familiarity, ability to relocate to South Bay and travel interstate.
pressure transducers, thermocouples, resistance temperature detectors, relays, solenoid valves
1d
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Principal Stage Fluids Engineer
Long Beach, California, United States
$162k-$243k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
12+ YOEBachelor's degree in mechanical or relevant engineering, 12+ years in hardware-rich environments, fluid component design, manufacturing processes, welding, mechanical drafting, and GD&T.
Siemens NX, Teamcenter, JIRA, AS9100
1d
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Principal Stage Fluids Engineer
Long Beach, California, United States
$162k-$243k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
12+ YOEBachelor’s degree in mechanical or relevant engineering, 12+ years in hardware-rich environments, fluid component design, DfM/DfAM, machining, welding, mechanical drafting, and GD&T experience.
Siemens NX, Teamcenter, JIRA, AS9100
1mo
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Thermal/Fluids Engineer III - ZBO
Seattle or Los Angeles or Denver or Washington or United States
$120k-$183k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
5+ YOEBachelor's in engineering, 5+ years thermal/fluid design and analysis, strong heat transfer and fluid flow fundamentals, FEA/CFD experience (Ansys, Thermal Desktop), data reduction/analysis, U.S. work-authorization required.
Ansys, Thermal Desktop, MATLAB, AFT Arrow, Defense Biometric Identification System (DBIDS)
3mo
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Propulsion and Fluids Test Engineer
Long Beach, California, United States
$85k-$200k/yr OnsiteFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
Bachelor’s in aerospace, mechanical, or chemical engineering; experience in propulsion or fluid systems test engineering; U.S. citizenship for ITAR compliance.
LabVIEW, Python, MATLAB
1mo
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Principal Propulsion Engineer - Ground Fluids
El Segundo, California, United States
$182k-$232k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
6+ YOEB.S. in engineering (or equivalent), 6+ years propulsion fluid systems experience for spacecraft/launch vehicles, P&ID proficiency, CAD and PLM experience, operational procedure authorship, and range-safety familiarity.
P&IDs, CAD, PLM
3w
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Combustion & Thermal-Fluids Engineer
Long Beach, California, United States
$160k-$220k/yr OnsiteFull Time
Blisk Dynamics
Blisk Dynamics: A developing next-generation gas turbine engines for aerospace, defense, and energy.
5+ YOEB.S./M.S. in mechanical/aerospace, ~5+ years experience, deep thermofluids and combustion fundamentals, full-engine thermal modeling, hands-on CFD with ANSYS Fluent/CFX, hardware testing, clear technical communication.
ANSYS Fluent, ANSYS CFX, Python
1mo
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Senior Mechanisms Engineer – Fluids & Pumps
Los Angeles, California, United States
$140k-$175k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
5+ YOEBachelor's in engineering, 5+ years mechanical/electromechanical design, 2+ years designing mechanisms or pumps, experience with CAD/FEA, strong written and oral communication.
CAD, FEA
2d
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Fluids Subassemblies Manufacturing Engineer II
Long Beach, California, United States
$102k-$156k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
2+ YOEBachelor's degree in aerospace, mechanical, or manufacturing engineering; 2+ years building and testing hardware in manufacturing; experience with work instructions, test procedures, and cross-functional production processes.
Manufacturing Execution Systems, Quality Management Systems, GD&T
1mo
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Thermal Fluids Design Reliability Engineer
Long Beach, California, United States
$162k-$265k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
6+ YOEBachelor's in engineering, 6+ years related experience, reliability/FMEA and test expertise, strong scripting/data analysis (Python, MATLAB, Microsoft Excel), experience with aerospace or safety-critical hardware.
Python, MATLAB, Microsoft Excel, Tableau
1mo
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Propulsion Fluids Analyst (Raptor Systems Engineering)
Hawthorne, California, United States
$100k-$140k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in engineering and 1+ years fluids/CFD/thermal analysis experience; proficiency with CFD and thermal tools; strong fluid mechanics, thermodynamics, and scripting skills; ITAR-eligible U.S. person required.
Sinda/Fluint, STAR-CCM+, StarCCM+, ANSYS CFX, ANSYS, Siemens NX, MATLAB, Python
2mo
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Thermal - Fluids Analyst I / II
Torrance, California, United States
$90k-$150k/yr OnsiteFull Time
Antares: Designing and manufacturing microreactors for defense and space missions.
3+ YOEBachelor's in Mechanical or Aerospace Engineering; CFD modeling with Fluent/CFX/Star-CCM+; CAD (Siemens NX); Python/MATLAB/VBA; 3+ years in thermal-fluids analysis; strong documentation and collaboration skills.
CFD (Fluent/CFX/Star-CCM+), CAD (Siemens NX), Python, MATLAB, VBA
2mo
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Staff Fluid Systems Engineer, Omen
Costa Mesa, California, United States
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years in engineering focusing on aircraft/aerospace fluids systems; hands-on design, testing, and integration; CAD (NX preferred); CFD/tools; security clearance; BS/MS in mechanical, aerospace, or chemical engineering.
NX, Teamcenter, Flowmaster, AFT Fathom/Arrow, GT-SUITE, EASY5, Simulink/Simscape, Star-CCM+, Fluent, OpenFOAM
1w
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Senior Propulsion and Energetics Analyst (Fluids)
Playa Vista, California, United States
$137k-$193k/yr OnsiteFull Time
Inversion Space
Inversion Space: Building autonomous re-entry vehicles for global space-to-Earth cargo delivery.
5+ YOEAbility to perform CFD and thermal analysis for rocket propulsion systems; bachelor's in aerospace/mechanical engineering; 5+ years fluid analysis experience; able to obtain U.S. government security clearance.
ANSYS CFX, Fluent, Sinda/Fluint, StarCCM, OpenFOAM, COMSOL, MATLAB, Python
2mo
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Staff Mechanical Engineer, Fluid Systems
El Segundo, California, United States
$201k-$314k/yr OnsiteFull Time
Radiant
Radiant: Designs and manufactures portable, mass-produced nuclear microreactors.
7+ YOE7+ years in designing, building, and testing fluid systems; bachelor’s in engineering; expertise in fluid dynamics, thermodynamics, and heat exchanger design.
Matlab, Python, Finite Element Analysis, Piping Design Software
4w
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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+
1mo
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Aeronautical Engineer / Principal Aeronautical Engineer - Fluid Systems
Palmdale, California, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOESTEM degree required, 2–5 years engineering experience depending on level. Experience with fluid systems, Siemens AMESIM, MATLAB/Simulink, CAD practices. Active US Secret clearance required with ability to obtain Top Secret and SAP.
Siemens AMESIM, MATLAB/Simulink, CATIA V5, TeamCenter Engineer, TeamCenter Enterprise
1w
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Staff Turbomachinery Engineer
Redondo Beach, California, United States
$150k-$200k/yr OnsiteFull Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
7+ YOEBachelor’s degree in engineering or science, 7+ years of turbomachinery experience, fluids and structural analysis software, CAD, turbomachinery design, and turbopump assembly knowledge.
CAD, CFD
4w
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Mechanical Engineer (Ph.D.)
Irvine, California, United States
$140k-$160k/yr OnsiteFull Time
Exponent
ExponentNASDAQ: EXPO: Provides multidisciplinary scientific and engineering consulting for complex problems.
Ph.D. in mechanical/aerospace/chemical engineering with emphasis on fluid mechanics or heat transfer; experimental and HVAC knowledge preferred; strong communication; willing to travel; U.S. citizenship required.
2w
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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