168 mechanical systems engineer jobs at 95 companies in Colton, CA
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Interior Systems Staff Mechanical Engineer
Long Beach, California, United States
$150k-$284k/yr HybridFull Time
5+ YOE2+ MgmtBachelor's in mechanical engineering or equivalent; 5+ years designing interior systems with 3D CAD, 3+ years production release and factory launches, and 2+ years leading teams.
NX, CATIA, 3DEXPERIENCE, Microsoft Office, Microsoft Confluence, Jira, Asana
1d
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Senior Mechanical Engineer - Fuel Systems
Lake Forest, California, United States
$120k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree in mechanical engineering and 5+ years of experience required. Requires high-pressure fuel system design, testing, analytical calculations, documentation, and knowledge of hydrogen and natural gas materials compatibility.
CAD, NX Unigraphics, Flexible Spending Accounts (FSA)
2w
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Senior Mechanical Engineer, Warfighter Systems
Mountain View or Costa Mesa
$160k-$185k/yr OnsiteFull Time
7+ YOEBachelors in engineering, 7+ years mechanical engineering experience, CAD skills, detailed mechanical design for metallics/composites, ergonomics, structural/thermal analysis, manufacturing knowledge, and eligibility for U.S. security clearance.
Lattice OS, NX, Teamcenter, FEA
2mo
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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
3mo
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Senior Mechanical Engineer
Tustin, California, United States
$140k-$200k/yr HybridFull Time
10+ YOEBachelor’s in Mechanical Engineering; 10+ years in mechanical systems design/management; client engagement; PE preferred.
Revit, Navisworks, Energy Soft, Trace energy modeling
2mo
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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
6d
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Mechanical Engineer I (ECS) - Defense Systems Division
Irvine, California, United States
$71k-$117k/yr OnsiteFull Time
0+ YOEBachelor's degree in mechanical engineering, 0–3 years designing mechanical components or subsystems, ASME Y14.5M, thermodynamics, mechanical design, communication, Microsoft Office, and U.S. citizenship required.
Microsoft Office, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, SolidWorks
1mo
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Mechanical Engineer I
Irvine, California, United States
$76k-$102k/yr OnsiteFull Time
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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Sr. Mechanical Engineer
Irvine, California, United States
$150k-$250k/yr OnsiteFull Time
Neon Aero: Designs and builds AI-native aerospace hardware and flight systems.
8+ YOE8+ years developing and shipping mechanical products; strong Siemens NX, GD&T, production drawing, manufacturing, supplier, quality-system, and cross-functional engineering experience. Mechanical Engineering degree preferred.
Siemens NX, MATLAB, Python, FEA, GD&T, DFAuto, IQC, OQC, ORT, CP/CPK, SPC, DO-160
2mo
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Mechanical Engineer - Buildings
Riverside, California, United States
$89k-$127k/yr OnsiteFull Time
3+ YOEBachelor’s degree in mechanical engineering; 3–5 years building systems design; HVAC knowledge; AutoCAD/Revit experience; codes and standards familiarity.
AutoCAD, Revit
3w
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Sr. Mechanical Engineer
Irvine, California, United States
$105k-$155k/yr OnsiteFull Time
5+ YOEB.S. or M.S. in Mechanical/Aerospace Engineering,5+ years designing complex mechanical systems,experience with SolidWorks/Creo,GD&T (ASME Y14.5),hardware build/test experience,and U.S. citizenship with clearance eligibility.
SolidWorks, Creo
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Mechanical Engineer II (86377)
El Monte, California, United States
$111k-$134k/yr OnsiteFull Time
5+ YOEBachelor's degree in mechanical engineering, 5+ years designing and fabricating mechanical systems, PLC and plant control experience, computer proficiency, communication skills, and mechanical aptitude.
PID loop controllers, PLC, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, CATIA, SolidWorks, AutoCAD, SAP, Minitab
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Principal Mechanical Engineer
Irvine, California, United States
$140k-$210k/yr OnsiteFull Time
8+ YOEBachelor's in Mechanical Engineering required; 8+ years in precision mechanical systems and vibration mitigation; SolidWorks and ANSYS (or equivalent) proficiency; FEA, modal analysis, GD&T, PLM/ERP (Agile, SAP); leadership and test/prototyping experience; travel <10%.
SolidWorks, ANSYS, FEA, CAD, PLM, ERP, Agile, SAP, GD&T, BOM
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Mechanical Engineer I
Pasadena or Los Angeles
$75k-$90k/yr OnsiteFull Time
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.
2w
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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
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
4w
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Systems Reliability Engineer
Cerritos, California, United States
OnsiteFull Time
5+ YOEBS in Mechanical or Electrical Engineering, 5+ years engineering experience with 3+ years in system reliability; experience with rotating machinery, troubleshooting mechanical/electrical systems, SolidWorks, MATLAB or Python preferred; strong communication and analytical skills.
SolidWorks, MATLAB, Python, Self Contained Breathing Apparatus (SCBA)
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December 2026 New Graduate Engineer, Mechanical
Huntington Beach, California, United States
$105k-$110k/yr OnsiteFull Time
1+ YOEBachelor’s degree in engineering and 1+ year designing or prototyping mechanical systems; graduating in 2026 or 2027. CAD, programming, simulation, and manufacturing experience preferred.
NX, SolidWorks, Python, MATLAB, C++, FEA
2mo
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Sr. Systems Engineer - Lighting
Irvine, California, United States
$108k-$143k/yr OnsiteFull Time
5+ YOEBS in Mechanical Engineering; 5+ years in systems engineering (lighting preferred); experience with requirements management and modeling tools; strong communication; ability to manage a complete system through V-cycle.
MATLAB, Simulink, Enterprise Architect, Flow, Jama, Vector Canalyzer, CANoe, CANape
3mo
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Mechanical Engineer I (84097)
El Monte, California, United States
$101k-$122k/yr OnsiteFull Time
2+ YOEBSME; minimum 2 years in design and fabrication of mechanical/electromechanical systems; experience with PID/PLC; AutoCAD and MS Office; ITAR/EAR compliance required.
AutoCAD, PLC, PID controllers, MS Office
3mo
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Sr. Principal Systems Engineer
Irvine, California, United States
$125k-$206k/yr OnsiteFull Time
4+ YOEBachelor’s or higher in engineering with 4+ years; medical device experience; system requirements, verification/validation, and design controls; IEC 60601-1 knowledge; project leadership preferred.
Electrical Engineering, Mechanical Engineering, Biomedical Engineering, Software, IEC 60601-1, PTC, Polarion, JAMA, DOORS
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