154 entry level mechanical engineer jobs at 76 companies in Fillmore, CA

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Engineer Mechanical (Level 2)
Redondo Beach, California, United States
$83k-$125k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBS in STEM plus 2 years (or MS plus 0 years), experience with integration/test or manufacturing of space vehicle mechanical systems, active SCI clearance required.
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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
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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
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Mechanical Engineer
Salisbury or Austin or Columbia or Ventura or West Chester or Santo Domingo or York
$85k-$100k/yr OnsiteFull Time
Dover
DoverNYSE: DOV: Manufactures diversified industrial equipment and engineered components globally.
2+ YOEBachelor's in mechanical engineering plus 2+ years relevant experience, or MS plus 3+ years; 3D CAD, military standards, thermal/stress analysis, PCB software, and US Person status required.
CAD, NASTRAN, AutoDesk Inventor, AutoCAD, PCB layout software, MIL-STD, IPC-2221, BOM, ISO
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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
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Mechanical Engineer, Components
El Segundo, California, United States
$115k-$150k/yr OnsiteFull Time
Forge Atomics
Forge Atomics: A developer of advanced reactor technology working to scale nuclear fission for reliable, low‑carbon energy.
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, 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
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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
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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
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Mechanical Engineer (Starship Avionics)
Hawthorne, California, United States
$100k-$135k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's degree in mechanical, aerospace, systems, or electrical engineering; 1+ year of mechanical or electromechanical design and analysis experience, including internships or student projects.
CAD, FEA, 3D modeling, laser welding, Employee Stock Purchase Plan
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Mechanical Engineer
El Segundo, California, United States
$89k-$161k/yr OnsiteFull Time
Second Order Effects
Second Order Effects: Engineering firm designing and building custom electronics and systems.
Bachelor's degree or equivalent experience; electro-mechanical systems experience; CAD proficiency; GD&T knowledge; cross-functional communication; problem-solving and design validation skills. ITAR eligibility required.
Onshape, SolidWorks, Computer-Aided Design (CAD), Finite Element Analysis (FEA)
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.
2mo
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Mechanical Engineer
El Segundo or Mojave
$100k-$160k/yr OnsiteFull Time
Icarus
Icarus: Builds solar-powered aircraft for stratospheric intelligence and connectivity.
1+ YOE1+ years designing, analyzing, or building mechanical hardware; strong fundamentals in structures and materials; experience with lightweight structures, composites, sheet metal, or bonded assemblies; hands-on factory and field experience; end-to-end subsystem ownership.
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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
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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
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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 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
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Mechanical Engineer (Rotary Actuators) - Space Solar
Hawthorne, California, United States
$100k-$160k/yr OnsiteFull Time
Starpath
Starpath: Manufacturing space-rated solar hardware and lunar mining robotics.
1+ YOEBachelor's in mechanical/aerospace engineering, 1+ years mechanism or actuator design experience, proficiency with 3D CAD and GD&T, ability to perform mechanism analysis and design tests for space environments.
3D CAD, GD&T, FEA
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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)
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Mechanical Engineer (Teradyne, Agoura Hills, CA)
Agoura Hills, California, United States
$80k-$128k/yr OnsiteFull Time
Teradyne
TeradyneNASDAQ: TER: Designs and manufactures automated test equipment and advanced robotics systems.
2+ YOEBachelor's in Mechanical Engineering or related, typically 2+ years experience, SOLIDWORKS required, familiarity with GD&T, tolerance and structural analysis, prototype builds, and strong communication.
SOLIDWORKS, PDM