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266 entry level mechanical engineer jobs at 120 companies in Santa Clarita, CA

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Mechanical Engineer - Entry Level
League City or La Porte or Alvin or Carson
OnsiteFull Time
INEOS Olefins & Polymers USA
INEOS Olefins & Polymers USA: Private North American chemical manufacturer producing olefins, polypropylene, polyethylene, polyethylene pipe, and oil and gas products.
Bachelor's degree in Mechanical Engineering, graduation by December 2026 or May 2027, and GPA of at least 3.0 required. Plant internship or cooperative education experience preferred.
CAD, Process Safety Management (PSM), Management of Change (MOC), HAZOP, Process Hazard Analysis (PHA)
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Mechanical Engineer, Level II
Torrance, California, United States
$115k-$140k/yr OnsiteFull Time
Verustruct
Verustruct: Public-benefit construction robotics developing automated systems for affordable, sustainable, safe housing.
2+ YOEBachelor's in mechanical/robotics/aerospace or related, ~2+ years designing and building mechanical or electromechanical hardware, CAD proficiency (Siemens NX or comparable), hands-on assembly/testing experience.
Siemens NX, SolidWorks, Creo, CATIA, Autodesk Inventor
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Engineer Mechanical (Level 2)
Redondo Beach, California, United States
$83k-$125k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
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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Engineer Mechanical (Level 2)
Redondo Beach, California, United States
$83k-$125k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
2+ YOEBachelor's in STEM plus 2 years (or MS plus 0 years), experience with space vehicle mechanical systems and integration/test, active SCI clearance, strong communication and leadership skills.
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Mechanical Engineer
El Segundo or Los Angeles
$110k-$138k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Redefining modern defense with a multi-product portfolio.
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
Los Angeles, California, United States
$92k-$140k/yr OnsiteFull Time
Hermeus
Hermeus: Private U.S. defense aviation designing, building, and testing high-Mach and hypersonic aircraft for national-security customers.
1+ YOEBachelor’s degree in mechanical engineering, aerospace engineering, or physics; 1+ year of electromechanical design, analysis, and testing experience. CAD, FEA, PLM, prototyping, and cross-disciplinary systems experience preferred.
NX, Ansys, Teamcenter, CAD, FEA, PLM
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Mechanical Engineer
Torrance, California, United States
$100k-$155k/yr OnsiteFull Time
GITAI Defense and Space LLC
GITAI Defense and Space LLC: U.S.-headquartered space robotics building robots for on-orbit servicing and lunar infrastructure construction.
1+ YOEBachelor's in Mechanical Engineering, 1+ years relevant experience, proficiency with mechanical CAD and drawings, hands-on assembly and testing, able to lift 40 lbs, weekend flexibility, willingness to travel up to 50%, U.S. work authorization and eligibility for government clearance.
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Mechanical Engineer
Torrance, California, United States
OnsiteFull Time
Vital Lyfe
Vital Lyfe: Portable water purification technology making clean drinking water from natural sources for people and communities.
1+ YOEBachelor's in engineering, 1+ years mechanical/electromechanical design experience, proficiency in CAD and FEA, hands-on hardware experience, ability to lift up to 50 lbs.
CAD, FEA
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Mechanical Engineer II
Pasadena, California, United States
$100k-$126k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: End-to-end space delivering launch services and spacecraft.
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
K&L Microwave
K&L MicrowaveNYSE: DOV: Diversified global manufacturer and industrial solutions provider.
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: End-to-end space delivering launch services and spacecraft.
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: Private American nuclear-energy building factory-made, water-cooled fission power plants for data centers and electric grids.
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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Engineer - Mechanical II
Altadena, California, United States
$99k-$139k/yr OnsiteFull Time
Honeybee Robotics
Honeybee Robotics: Private aerospace engineering designing and manufacturing robotic systems for space exploration, defense, and industrial customers.
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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2mo
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Founding Mechanical Engineer
Los Angeles, California, United States
$135k-$215k/yr HybridFull Time
Pillar Space
Pillar Space: Private space-hardware startup building reusable satellites as rentable orbital infrastructure for companies conducting microgravity manufacturing.
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
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
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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2w
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Mechanical Engineer
El Segundo, California, United States
$89k-$161k/yr OnsiteFull Time
Second Order Effects
Second Order Effects: Employee-owned engineering consultancy designing custom electronics and embedded systems for clients across multiple industries.
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)
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2mo
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Mechanical Engineer
El Segundo or Mojave
$100k-$160k/yr OnsiteFull Time
Icarus
Icarus: A private aerospace startup building autonomous solar-powered stratospheric aircraft for military 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 Engineer (New Grad)
Los Angeles, California, United States
$96k-$106k/yr OnsiteFull Time
General Matter
General Matter: American private nuclear-fuel developing domestic uranium enrichment for advanced-reactor fuel.
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 II
Monrovia, California, United States
$74k-$127k/yr OnsiteFull Time
Ondax
Ondax: A technology partner that designs and manufactures advanced photonics and laser systems for aerospace, defense, and commercial applications.
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
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ASSOCIATE MECHANICAL ENGINEER
Los Angeles County, California, United States
$114k-$145k/yr OnsiteFull Time
Los Angeles County Department of Public Works
Los Angeles County Department of Public Works: County government public works agency planning, building, and maintaining water, transportation, waste, and public infrastructure for communities.
1+ YOEAccredited engineering college graduation, California mechanical engineer registration, and at least one year of professional engineering experience beyond California license requirements. Valid California Class C driver's license or alternative transportation required.
Computer Aided Design and Drafting (CADD), Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Bluebeam Software, Engineering or Hydraulic Modeling Software
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