1,449 mechanical engineering jobs at 488 companies in Eastvale, CA

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Mechanical Engineering Intern
Akron or Ashtabula or Conroe or Freeport or Houston or The Woodlands or McIntosh or Geismar or Los Angeles
OnsiteInternship, Full Time
Huntsman
HuntsmanNYSE: HUN: Manufactures and markets chemical products for consumer and industrial markets.
Pursuing a bachelor's in Mechanical Engineering, 3.0+ GPA preferred, strong mechanical aptitude and communication, proficiency with Microsoft Office, authorized to work in the U.S. without sponsorship.
Microsoft Office
2mo
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Mechanical Engineering Manager
El Segundo, California, United States
$160k-$220k/yr OnsiteFull Time
The Advanced Manufacturing Company of America
The Advanced Manufacturing Company of America: Manufacturer of critical components for aerospace and defense platforms.
Lead mechanical engineering across design, build, and test; manage and grow engineers; ensure design reviews, qualification testing, and DFM standards.
Siemens NX, FEA, Pressure transducers, Thermocouples, RTDs, Solenoid valves
3w
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Manager, Mechanical Engineering
Pasadena, California, United States
$142k-$189k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
8+ YOEDegree in mechanical/aerospace/mechatronics/robotics,8+ years mechanical engineering experience with leadership,proven spaceflight/high-reliability hardware delivery,SolidWorks proficiency,and hands-on assembly/test experience.
SolidWorks
1mo
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Mechanical Engineering Manager
Irvine, California, United States
$150k-$180k/yr OnsiteFull Time
Staco Systems
Staco Systems: Manufactures human-machine interface products for aerospace and defense.
3+ YOE3+ MgmtBachelor's in Mechanical Engineering, 3+ years engineering management, experience onboarding/training staff, familiarity with Mil Standards and project management, technical problem solving, ability to lift/push up to 50 lbs, U.S. work authorization required.
3w
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Senior Manager, Mechanical Engineering
Irvine, California, United States
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
8+ YOE8+ years mechanical/electromechanical design experience with engineering management; BS in Mechanical Engineering; 3D CAD and GD&T proficiency; experience with production processes; eligible for U.S. Secret clearance.
Lattice OS, 3D CAD, GD&T, NX, Teamcenter
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Director, Mechanical Engineering
Los Angeles, California, United States
OnsiteFull Time
Observable Space
Observable Space: Developing integrated hardware and software for persistent space observation.
10+ YOE10+ years designing complex mechanical systems, experience leading teams, bachelor\u0002s in mechanical/aerospace engineering, proficiency with CAD, FEA, GD&T, tolerance and DFM/DFA, and experience through prototype to production.
SolidWorks, Siemens NX, FEA, GD&T
3w
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2026-2027 Facilities Engineering Mechanical Engineering Intern
Houston or Bakersfield or Belle Chasse or North Salt Lake or Midland or Geismar or El Segundo or Pasadena or Pascagoula or Covington or Richmond or Ames or Greeley or Salt Lake City
$28-$52/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
0+ YOEPursuing BS/MS in mechanical engineering, strong academics, communication, teamwork and problem-solving; ability to demonstrate Chevron Way.
4w
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Mechanical Engineering Internship - Fall 2026
Torrance, California, United States
OnsiteInternship
Vital Lyfe
Vital Lyfe: Develops portable devices that produce clean drinking water anywhere.
Currently pursuing a Mechanical Engineering degree; hands-on prototyping and testing experience; able to stand long periods and lift up to 50 lbs; able to work 100% onsite in Torrance, CA.
3w
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Manager, Mechanical Engineering
Pasadena, California, United States
$142k-$189k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
8+ YOEDegree in Mechanical/Aerospace/Mechatronics/Robotics,8+ years mechanical engineering experience delivering high-reliability or spaceflight hardware,management experience,SolidWorks proficiency,and hands-on design, test, and integration skills.
SolidWorks
3w
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Mechanical Engineering Manager 2
Redondo Beach, California, United States
$147k-$220k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOERequires STEM degree with 5+ years (BS) or 2+ years (MS) experience, leadership of multidisciplinary engineering teams, MGSE design and test expertise, active Top Secret clearance, and strong communication and planning skills.
3D CAD, ANSE Y14.5 Geometric Dimensioning & Tolerancing (GD&T)
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Mechanical Engineering Director, Data Centers - Remote (U.S.)
Arlington or Chicago or Dallas or Los Angeles
$180k-$240k/yr RemoteFull Time
AECOM
AECOMNYSE: ACM: Global infrastructure consulting firm providing design and engineering services.
12+ YOE4+ MgmtBachelor's in Mechanical Engineering plus 12 years' mechanical/data center experience (or equivalent), 4 years leadership, P.E. required, direct data center project experience, technical and client-facing expertise.
6d
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Manager, Launch Mechanical Engineering
Long Beach, California, United States
$150k-$224k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOE1+ MgmtBachelor's in mechanical/aerospace engineering, 5+ years engineering experience in launch/ground systems, 1+ year managing engineers, strong structures/mechanical/fluid skills, schedule and risk management, mentoring and communication.
2mo
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Mechanical Engineering Intern
Torrance, California, United States
$20-$25/hr OnsiteInternship
Hexagon
HexagonNasdaq Stockholm: HEXA B: Provides sensor, software, and autonomous technologies for industrial applications.
Progress toward BS in mechanical engineering preferred; CAD/CREO experience, GD&T and tolerance analysis, material strength calculations; US person for ITAR positions may be required.
CREO (Pro/Engineer), Syteline, Windchill, CNC
2w
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Mechanical Engineering Intern (Summer 2027)
El Segundo, California, United States
$70k/yr HybridInternship
Second Order Effects
Second Order Effects: Engineering firm designing and building custom electronics and systems.
Enrolled college student in engineering/related field with CAD, FEA, and prototyping experience; strong problem-solving and communication skills.
CAD, FEA, CFD
1mo
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Head of Mechanical Engineering
Torrance or Hawthorne
$220k-$250k/yr OnsiteFull Time
Salient Motion
Salient Motion: Develops modular electromechanical actuation systems for aerospace and defense.
10+ YOE3+ MgmtBachelor's in Mechanical/Aerospace Engineering, 10+ years mechanical engineering experience with 3+ years in technical leadership; deep electromechanical actuator expertise, DO-160/MIL-STD-810 knowledge, ASME Y14.5 GD&T, CAD (SolidWorks/CATIA/NX), FEA, and team building.
SolidWorks, CATIA, NX, FEA
2mo
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Mechanical EIT - Building Engineering
Irvine, California, United States
$71k-$101k/yr OnsiteFull Time
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
4+ YOEBachelor's degree in Mechanical Engineering; Engineer in Training (EIT) certificate; 4+ years HVAC/plumbing experience; proficiency in AutoCAD and MS Office; experience in healthcare design a plus.
MS Office, AutoCAD, Trace 3D, IESVE
1w
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Mechanical Engineering Intern / Co-op
Torrance or Mojave
$25-$40/hr OnsiteMultiple Commitments Available
GITAI
GITAI: Developing autonomous robotic systems for labor in space.
1+ YOECurrently enrolled in a relevant bachelor’s or master’s program;1+ year hands-on student engineering project experience;experience taking hardware through design, fabrication, assembly, and test;3D CAD proficiency;U.S. work authorization and U.S. citizenship or equivalent for export-controlled work.
SolidWorks, GD&T
15h
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Mechanical Engineering Intern - Fall
El Segundo, California, United States
$3k-$5k/mo OnsiteSeasonal
Rainmaker
Rainmaker: Provides cloud seeding services using drones and radar.
Experience with SolidWorks CAD and FEA, 3D printing and basic prototyping; sheet metal design preferred; ability to collaborate across electrical, software, and manufacturing teams.
SolidWorks, 3D printers, FEA
3w
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Mechanical Engineering Manager 2
Redondo Beach, California, United States
$147k-$220k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOESTEM degree (BS+5yrs or MS+2yrs), Top Secret clearance required, 3+ years MGSE hands-on experience, proven leadership in multidisciplinary teams, strong planning and technical skills.
3D CAD, ANSE Y14.5 Geometric Dimensioning & Tolerancing (GD&T)
1w
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Director of Mechanical Engineering (Building Systems)
Charlotte or King of Prussia or Scottsdale or Frisco or Bellevue or Roseville or Richland or Puyallup or Klamath Falls or Chehalis or Long Beach or Kent or Remote or Philadelphia or Burlington or Bentonville or Minneapolis or Ontario or Somerville or West Chester or Tampa or Hillsboro or Naperville or Duluth or Saint Louis
$160k-$220k/yr HybridFull Time
Core States Group
Core States Group: Integrated architectural, engineering, and construction services for businesses.
15+ YOE8+ MgmtBachelor's in Mechanical Engineering, PE required, 15+ years A/E/C mechanical engineering program/project experience, 8+ years supervising, commercial program experience, MS Office required, AutoCAD/Revit preferred.
Microsoft Office, AutoCAD, Revit