216 entry level mechanical engineer jobs at 126 companies in Riverside, CA

6d
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Mechanical Engineer
El Segundo or Los Angeles
$110k-$138k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
Bachelor's degree in mechanical engineering or related discipline, mechanical design experience, CAD proficiency, structural analysis exposure, communication skills, and ability to obtain a U.S. security clearance.
SolidWorks, Finite Element Analysis (FEA), NASTRAN, ABAQUS, ANSYS, Computational Fluid Dynamics (CFD), COMSOL, CNC
5d
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Mechanical Engineer, Propulsion
Santa Ana, California, United States
$129k-$171k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
2+ YOEBS or MS in Mechanical Engineering and 2+ years of technical engineering experience or equivalent projects. Requires CAD, mechanical design, prototyping, fabrication, manufacturing, and US Person status.
CAD, CNC, 3D printing, NX, Teamcenter, Python, MATLAB
1mo
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Mechanical Engineer I
Irvine, California, United States
$76k-$102k/yr OnsiteFull Time
Iris Technology
Iris Technology: Designs and manufactures electronics for aerospace and defense missions.
1+ YOEUS work authorization required; Bachelor's in mechanical engineering; 1+ year engineering experience in R&D or manufacturing; SolidWorks and systems integration experience; able to read electrical/mechanical drawings.
SolidWorks, Microsoft Project, Microsoft Access, Microsoft Excel, Microsoft PowerPoint
2d
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Mechanical Engineer II
Pasadena, California, United States
$100k-$126k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
2+ YOEBachelor’s degree in mechanical or related engineering and 2+ years’ mechanical engineering experience. Requires CAD, GD&T, tolerance analysis, manufacturing, hands-on hardware testing, and cross-functional collaboration.
SolidWorks, GD&T, finite element analysis
2d
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Mechanical Engineer II
Pasadena, California, United States
$100k-$126k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
2+ YOEBachelor's degree in mechanical, aerospace, mechatronics, robotics, or related engineering; 2+ years of mechanical engineering experience; SolidWorks or comparable CAD, GD&T, tolerance analysis, manufacturing, and hands-on hardware testing experience.
SolidWorks, CAD, GD&T, Finite Element Analysis
1mo
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Mechanical Design Engineer
Adelanto, California, United States
$63k-$106k/yr HybridFull Time
General Atomics Aeronautical Systems
General Atomics Aeronautical Systems: Designs and manufactures unmanned aircraft and radar systems.
0+ YOEBachelor's in engineering or equivalent experience; entry-level (0–2 years) engineering experience; proficiency in PTC Creo, Windchill, NX, Teamcenter; GD&T and ASME Y14.5 knowledge; strong communication.
PTC Creo, Windchill, NX, Teamcenter, Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft PowerPoint
2mo
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Mechanical Engineer II
Laguna Hills, California, United States
$80k-$100k/yr OnsiteFull Time
Sonendo
SonendoOTCQX: SONX: Medical technology transforming dentistry through innovative device systems.
2+ YOEBachelor's in Mechanical Engineering with 2+ years experience (or advanced degree), skilled in mechanical design, 3D CAD modeling, prototyping, testing, design control in regulated industries, DOE exposure, and risk management.
2w
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Mechanical Engineer, Interceptor
Los Angeles or Torrance or United States
$100k-$155k/yr OnsiteFull Time
GITAI
GITAI: Developing autonomous robotic systems for labor in space.
1+ YOEBachelor's degree in mechanical, aerospace, or related engineering; 1+ year aerospace experience; hands-on mechanical design, manufacturing, assembly, testing, CAD, drawings, and GD&T; U.S. citizenship and field-site travel required.
3D CAD, GD&T
1mo
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Engineer - Mechanical II
Altadena, California, United States
$99k-$139k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
2+ YOEB.S. in Mechanical/Aerospace Engineering,2+ years developing and testing complex hardware,mechanism design and hands-on prototyping,CAD and analysis proficiency,ability to lead development through product lifecycle,US work authorization required.
Autodesk Inventor, ANSYS
2mo
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Founding Mechanical Engineer
Los Angeles, California, United States
$135k-$215k/yr HybridFull Time
Pillar Space
Pillar Space: Building high-stakes, flight-grade autonomous space hardware systems.
2+ YOEBachelor's in mechanical/aerospace engineering, 2+ years designing and testing complex mechanical or electromechanical hardware, proficiency with professional CAD (NX, CATIA, Creo, SolidWorks), hand calculations, tolerance analysis and FEA, GD&T and ASME Y14.5 familiarity, hands-on prototyping experience.
NX, CATIA, Creo, SolidWorks, PLM
2mo
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Mechanical Engineer I
Pasadena or Los Angeles
$75k-$90k/yr OnsiteFull Time
Affiliated Engineers
Affiliated Engineers: Provides engineering design and consulting for complex buildings.
BS in mechanical/aerospace engineering from ABET school, EIT a plus. Ability to perform load calculations, system sizing, equipment selection, field surveys, and review shop drawings; strong communication and organization skills.
1mo
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Mechanical Design Engineer
Los Angeles, California, United States
$165k-$220k/yr OnsiteFull Time
Hadrian
Hadrian: Building autonomous factories for aerospace and defense manufacturing.
2+ YOEBachelors in Mechanical Engineering, 2+ years mechanical design experience, SolidWorks proficiency, GD&T knowledge, fabrication/machining/welding familiarity, and strong communication and problem‑solving skills.
SolidWorks, FEA
1w
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Mechanical Engineer (New Grad)
Los Angeles, California, United States
$96k-$106k/yr OnsiteFull Time
General Matter
General Matter: Produces enriched uranium and nuclear fuel for power generation.
1+ YOEBachelor's degree in mechanical engineering or related field, 1+ years of experience, 3D CAD, GD&T manufacturing drawings, FEA, engineering fundamentals, and exceptional project or product evidence.
Solidworks, CATIA, NX, GD&T, FEA
3w
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Associate Mechanical Engineer - Buildings
Riverside, California, United States
$79k-$109k/yr OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
1+ YOEBachelor's in Mechanical/Architectural Engineering, 1+ years mechanical/building systems experience, EIT or obtain within 6 months, Revit/AutoCAD and MS Office proficiency, HVAC/plumbing familiarity, knowledge of ASHRAE/NFPA/IMC.
Revit, AutoCAD, Microsoft Office, Trane Trace, HAP
1mo
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Mechanical Engineer II
Monrovia, California, United States
$74k-$127k/yr OnsiteFull Time
Attalon
Attalon: Designs and manufactures precision optical and laser systems.
2+ YOEB.S. in Mechanical/Mechatronics/Robotics,2+ years mechanical design experience,SolidWorks and PDM proficiency,electronics and I/O experience,hands-on assembly/alignment skills,U.S. Person required.
SolidWorks, PDM
2d
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Mechanical Engineer – Ground Systems (MGSE)
Los Angeles, California, United States
$100k-$195k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
2+ YOEBachelor’s degree in mechanical or aerospace engineering, 2+ years of mechanical design or test support, 3D CAD proficiency, structural analysis knowledge, and MGSE experience in aerospace or satellite environments.
NX, CATIA, ANSYS, NASTRAN, FEA
2mo
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Mechanical Engineer - Avionics Integration
Huntington Beach, California, United States
$105k-$180k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
2+ YOE2+ years mechanical engineering experience with avionics integration or electronics packaging; Bachelor's degree required; hands-on hardware development; experience with 3D CAD (NX or SolidWorks), EMI/EMC mitigation, and wire harness design.
NX, SolidWorks
2mo
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Mechanical Design Engineer
Los Angeles, California, United States
$90k-$125k/yr HybridFull Time
Silvus Technologies
Silvus TechnologiesNYSE: MSI: Develops advanced mobile ad-hoc network radios for mission-critical communications.
2+ YOEBachelor's in Mechanical Engineering, 2+ years electromechanical/packaging design experience for electronic products, DoD MIL-STD experience, SolidWorks proficiency preferred, electrical fundamentals, U.S. Person required, background check and drug test.
SolidWorks, 3D printing, CNC machining, FEA
1w
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Mechanical Design Engineer II
Los Angeles or Torrance
$90k-$150k/yr OnsiteFull Time
Antares
Antares: Designing and manufacturing microreactors for defense and space missions.
2+ YOERequires a bachelor's degree and 2+ years designing mechanical hardware for electronic systems, with 3D CAD, drawings, BOMs, engineering calculations, GD&T, manufacturing processes, and PDM/PLM experience.
3D CAD, ANSYS, Femap, COMSOL Multiphysics, Product Data Management (PDM), Product Lifecycle Management (PLM), Finite Element Analysis (FEA)
2w
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Mechanical Engineer II - Automation
Irvine, California, United States
$77k-$93k/yr OnsiteFull Time
Glidewell
Glidewell: Designs and manufactures custom dental restorations and laboratory products.
2+ YOEBachelor's degree in engineering or 5 years' related experience, plus 2 years' related experience. Requires SolidWorks or CAD proficiency and knowledge of engineering, materials, and manufacturing processes.
SolidWorks, Computer-Aided Drafting (CAD), simulation tools