304 mechanical systems engineer jobs at 140 companies in Reseda, CA
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Electro-Mechanical Systems Engineer
Monrovia, California, United States
$70k-$110k/yr OnsiteFull Time
Bachelor's or Master's in engineering, hands-on experience integrating mechanical/electrical/material systems, SolidWorks and FEA proficiency, ability to build and test hardware prototypes, strong problem-solving and documentation skills.
SolidWorks, FEA, CAD
2mo
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Mechanical Engineer, Fluid Systems
El Segundo, California, United States
$108k-$150k/yr OnsiteFull Time
2+ YOEBachelor’s in Mechanical/Materials/Aeronautical/Civil/Structural engineering; 2+ years in designing, building, and testing fluid systems; strong fluid dynamics and heat exchanger knowledge; 100% onsite at El Segundo, CA.
MATLAB, Python, Finite Element Analysis (FEA)
6d
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Mechanical Systems Engineer, Exterior Sensor Integration
Long Beach, California, United States
$130k-$145k/yr OnsiteFull Time
5+ YOEBachelor's in engineering,5+ years automotive mechanical experience with ADAS/autonomy sensor integration,GD&T and tolerance expertise,DFMEA/DVP&R ownership,prototype and validation experience.
CATIA V5, 3DEXPERIENCE, Siemens NX, Teamcenter
1w
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Sr Advanced Systems Engineer - Mechanical Systems
Torrance, California, United States
$133k-$167k/yr HybridFull Time
5+ YOEBachelor's in a technical discipline and minimum 5 years mechanical systems engineering experience; systems integration, V&V, and product lifecycle knowledge valued.
2mo
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Principal Mechanical Engineer - Launcher Systems
Los Angeles, California, United States
$180k-$230k/yr OnsiteFull Time
10+ YOE10+ years in aerospace/defense mechanical design and system integration; BS in Mechanical Engineering; launcher systems experience; US citizenship and ability to obtain security clearance.
SolidWorks, CAD
3mo
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Mechanical Engineer, Marine Systems
El Segundo, California, United States
$130k-$210k/yr OnsiteFull Time
Oceanus Maritime Technologies: Building the operating platform for the modern maritime world.
4+ YOEBachelor's degree or higher; 4+ years in mechanical/electrical system design, integration, and testing in real environments; CAD, wiring, and marine exposure; travel up to ~25%.
3D CAD, SolidWorks, NX, Creo, GD&T
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Mechanical Engineer, Thermal Control Systems II
Long Beach, California, United States
$112k-$159k/yr OnsiteFull Time
5+ YOEBachelor's in mechanical engineering; 5+ years hardware experience with fluid systems; design, fabrication, testing experience.
NX, GD&T, ANSYS, FEMAP
17h
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Senior Mechanical Engineer, Intelligence Systems
Santa Ana or Reston
$146k-$194k/yr OnsiteFull Time
10+ YOEActive U.S. Secret clearance,10+ years mechanical engineering experience,BS/M.Eng/MS/PhD in engineering,CAD and fabrication skills,thermal/structural analysis,manufacturing integration.
Lattice OS, SiemensNX, Teamcenter, CAD
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Mechanical Engineer
Hawthorne, California, United States
$123k-$150k/yr OnsiteFull Time
2+ YOEBachelor's degree in engineering; 2+ years mechanical systems experience; CAD and FEA; design for manufacturing and GD&T.
CAD software, Finite Element Analysis (FEA) software
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Mechanical Engineer
Irvine or Los Angeles
$93k-$132k/yr OnsiteFull Time
6+ YOEBachelor's degree in Mechanical Engineering; minimum 6 years in mechanical and plumbing design for commercial or institutional buildings; PE license; experience with building systems; proficiency with MS Office and design software.
MS Office, Trane TRACE, Manufacturer selection software
1mo
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Mechanical Engineer
Torrance, California, United States
$110k-$140k/yr OnsiteFull Time
5+ YOEB.S. in Mechanical Engineering, 5+ years R&D/product design experience with electro-mechanical or optical systems, advanced solid modeling (SolidWorks/Pro-E/CATIA), GD&T, manufacturing processes, and mechanical/thermal simulation (ANSYS) preferred.
SolidWorks, Pro-E, CATIA, ANSYS
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Mechanical Engineer
Irvine or Los Angeles
OnsiteFull Time
6+ YOEBachelor's in Mechanical Engineering, PE license required for the job location, experience in mechanical/plumbing system design for commercial or institutional buildings, proficiency with Microsoft Office and Trane TRACE; master's preferred and 6+ years experience desired.
Microsoft Office, Trane TRACE
2w
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Mechanical Engineer, Components
El Segundo, California, United States
$115k-$150k/yr OnsiteFull Time
1+ YOEBachelor's in mechanical engineering or related,1+ years designing and building mechanical hardware,experience with fluid/gas/thermal systems and test instrumentation.
pressure transducers, thermocouples, resistance temperature detectors, relays, solenoid valves
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Mechanical Engineer
Los Angeles, California, United States
OnsiteFull Time
6+ YOEB.S. in mechanical/aerospace engineering, 6+ years designing flight structures or mission-critical systems; NX and Teamcenter experience, GD&T proficiency, hands-on builder, and U.S. Person eligible for SECRET clearance.
NX, Teamcenter
1mo
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Principal Mechanical Engineer
El Segundo or Los Angeles
$175k-$215k/yr OnsiteFull Time
8+ YOEBachelor's in Mechanical Engineering, 8+ years platform-level mechanical design and system integration for aerospace/defense, SolidWorks and FEA experience, prototyping skills, MIL‑STD familiarity, and ability to obtain a U.S. security clearance.
SolidWorks, NASTRAN, ABAQUS, ANSYS, COMSOL
2w
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Senior Engineer – Mechanical Engineering
Simi Valley, California, United States
$101k-$153k/yr OnsiteFull Time
5+ YOEBachelor's in Mechanical or Aerospace Engineering,5+ years designing complex mechanical systems,prototyping and electro-mechanical experience,ASME drawing practices,Solidworks and Microsoft Office proficiency.
Solidworks, Microsoft Office
1w
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Senior Mechanical Engineer
Torrance, California, United States
$129k-$177k/yr OnsiteFull Time
Bachelor's in mechanical engineering, ability to develop complex mechanical systems from concept through release, hands-on prototyping and testing, strong CAD/GD&T/tolerance skills, and ability to lead cross-functional technical work.
Siemens NX, Teamcenter
3w
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Mechanical Test Engineer
Long Beach, California, United States
$85k-$175k/yr OnsiteFull Time
Bachelor's in mechanical/aerospace engineering, experience in mechanical systems test for aerospace/high-reliability systems, data analysis, test documentation, and U.S. citizenship; active clearance preferred.
LabVIEW, Python, MATLAB, CAD
3mo
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Design Engineer - Mechanical Systems
Torrance, California, United States
$100k-$150k/yr OnsiteFull Time
3+ YOEBachelor's degree in Mechanical, Aerospace, or Civil Engineering or related field; experience designing mechanical systems; CAD/DFM/GD&T; aircraft certification knowledge; strong communication; self‑starter.
CAD, Modeling, Geometric Dimensioning and Tolerancing, FEM
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Senior Mechanical Engineer
San Francisco or Los Angeles or San Diego or Oakland or Seattle
$129k-$147k/yr HybridFull Time
8+ YOEBachelor's in mechanical or architectural engineering, 8+ years designing HVAC systems, AutoCAD and Revit MEP proficiency, familiarity with CMC, IECC/ASHRAE 90.1, LEED and NFPA, strong communication and presentation skills.
AutoCAD, Revit MEP
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