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85 mechanical process engineer jobs at 49 companies in Santa Clarita, CA

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Process Safety Engineer (Mechanical)
Hawthorne, California, United States
$100k-$160k/yr OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
1+ YOEBachelor's degree in engineering or STEM, 1+ year manufacturing, quality, or design engineering experience, and knowledge of process safety, risk assessment, industrial machinery, and safety systems.
MySQL, Python, R, JMP, Minitab, Tableau, Ignition, NX, SolidWorks, Creo, CATIA, Ansys, Robotic Process Automation (RPA), CAD, CAE, CFD, SIS, SIL, PFMEA, GSE
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Process Engineer
Charlotte or Philadelphia or Camden or Los Angeles or Oraison or Mumbai or Seoul or Asia or Australia
OnsiteFull Time
Inolex
Inolex: Independent specialty-ingredient manufacturer designing sustainable ingredients for health, beauty, wellness, and personal-care product makers.
5+ YOERequires 5–10 years as a process, chemical, or mechanical engineer, a bachelor's degree in engineering, PLC and batch-processing experience, continuous improvement, and PSM knowledge.
Microsoft Office Suite, Rockwell Automation, PLC, ISO-9000
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3mo
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Mechanical Engineer (Processes)
Gardena, California, United States
OnsiteFull Time
Singularity Defense Corp.
Singularity Defense Corp.: U.S. aerospace and defense manufacturer building scalable counter-weapon systems for warfighters and civilians.
3+ YOEBachelor’s or Master’s in mechanical or manufacturing engineering; 3-10 years manufacturing process experience; CAD (SOLIDWORKS); knowledge of welding, fasteners, and process development; GD&T; ownership of complex manufacturing processes.
SOLIDWORKS
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4w
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Senior Mechanical Engineer
Houston or Austin or Dallas or Denver or Long Beach or New Orleans
$130k-$160k/yr RemoteFull Time
AECOM
AECOMNYSE: ACM: Global infrastructure consulting and professional services firm.
8+ YOEBA/BS in Mechanical Engineering +8 years experience or equivalent, PE license required, industrial/process/energy experience, familiarity with industry codes and engineering calculation software, occasional site visits.
Pipe-Flo, Applied Flow Technology Fathom, CAESAR II
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Senior Process Engineer
Torrance, California, United States
$144k-$176k/yr OnsiteFull Time
Valar Atomics
Valar Atomics: Private developer of small modular nuclear reactors and fuel-production facilities for industrial power and clean fuels.
5+ YOEBachelor's in engineering required,5+ years designing industrial or gas handling process systems,experience from concept through commissioning,strong thermodynamics/fluid mechanics/process skills,excellent communication.
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Mechanical Design Engineer
Long Beach, California, United States
$119k-$233k/yr HybridFull Time
Ford
FordNYSE: F: Global automotive manufacturer of cars, trucks, and mobility solutions.
3+ YOEBachelor's in mechanical engineering or equivalent, 3+ years designing electro-mechanical systems for production, PCBA integration, manufacturing processes, Catia or Enovia, GD&T, prototyping, and testing.
Catia, Enovia, PCBA, GD&T, CNC, FEA, ECUs
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Mechanical Design Engineer
Long Beach, California, United States
$119k-$233k/yr HybridFull Time
Ford
FordNYSE: F: Global automotive manufacturer of cars, trucks, and mobility solutions.
3+ YOEBachelor's in Mechanical Engineering or equivalent; 3+ years designing electro-mechanical systems for volume production; expertise with CATIA or ENOVIA, manufacturing processes, GD&T, tolerance analysis, and prototyping.
CATIA, ENOVIA, PCBA, FEA, CNC, GD&T
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Senior Process Design Engineer
Los Angeles or Irvine or San Diego or San Francisco
$122k-$194k/yr HybridFull Time
Arcadis
ArcadisEuronext Amsterdam: ARCAD: Global design, engineering, and management consultancy for natural and built assets.
10+ YOEB.S. in Civil or Mechanical Engineering, CA P.E. required, 10+ years process mechanical engineering experience for water/wastewater, proficiency in CAD, BIM and Microsoft Office.
CAD, BIM, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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Materials & Process Engineer
Torrance, California, United States
$85k-$165k/yr OnsiteFull Time
Stellant Systems
Stellant Systems: Private manufacturer of high-power RF and spectrum amplification components for space, defense, medical, scientific, and industrial customers.
2+ YOEBachelor’s or postgraduate degree in materials, mechanical, chemical, or related engineering; 2–9+ years by level; welding, materials processing, laboratory testing, technical documentation, and problem-solving experience.
Laser Welding, TIG, Gas Tungsten Arc Welding (GTAW), Resistance Welding, SEM, XPS, microscopy, DSC, XRF, X-Rays, Microsoft Office
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Senior Process Design Engineer
Los Angeles or Irvine or San Diego or San Francisco
$122k-$194k/yr HybridFull Time
Arcadis
ArcadisEuronext Amsterdam: ARCAD: Global design, engineering, and management consultancy for natural and built assets.
10+ YOE10+ years process mechanical engineering experience for water/wastewater, BS in Civil/Mechanical Engineering, California PE license, EMR of design standards, CAD/BIM proficiency, strong communication and mentoring skills.
CAD, BIM, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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2w
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Mechanical Design Engineer II
Los Angeles or Torrance
$90k-$150k/yr OnsiteFull Time
Antares Nuclear
Antares Nuclear: Factory-produced, deployable fission microreactors to provide strategic energy for mission-critical systems across Earth, space, and underseas.
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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Process Engineer II (85558)
El Monte, California, United States
$84k-$101k/yr OnsiteFull Time
The Gill Corporation
The Gill Corporation: Family-owned aerospace composite-material manufacturer serving aircraft, space, transportation, and industrial customers with honeycomb, panels, and machined parts.
2+ YOEB.S. in engineering or science, 2+ years manufacturing experience, strong mechanical aptitude, Lean manufacturing knowledge, MS Office proficiency; composite/materials experience and programming/CAD a plus.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, VBA, C, C++, CATIA, Solidworks, AutoCAD, SAP, Minitab
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Staff Materials and Process Engineer
Los Angeles, California, United States
OnsiteFull Time
Karman Industries
Karman Industries: A thermal-technology building modular heat-processing systems for AI data centers and industry.
5+ YOEB.S. in materials/mechanical engineering, 5+ years in materials selection/qualification/process development, experience with brazing/welding and test campaigns, hands-on manufacturing process development.
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Process Engineer II (85558)
El Monte, California, United States
$84k-$101k/yr OnsiteFull Time
The Gill Corporation
The Gill Corporation: Family-owned aerospace composite-material manufacturer serving aircraft, space, transportation, and industrial customers with honeycomb, panels, and machined parts.
2+ YOEBS in engineering or science, 2+ years manufacturing/lab experience, strong mechanical aptitude, Microsoft Office proficiency, experience with composites/CAD/SAP/Minitab/VBA/C/C++ a plus, ability to work with PPE; US person may be required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, VBA, C, C++, CATIA, Solidworks, AutoCAD, SAP, Minitab
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2mo
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Business Process Engineer
Moorpark, California, United States
$64k-$120k/yr OnsiteFull Time
Ensign-Bickford Aerospace & Defense
Ensign-Bickford Aerospace & Defense: Private aerospace and defense manufacturer serving space, missile, launch-vehicle, and warfighter customers with energetic and electromechanical systems.
5+ YOEBS or MS in science/engineering (mechanical preferred) with 5+ years aerospace & defense experience; knowledge of continuous improvement, Lean, Six Sigma, ERP/MRP, AS9100 Rev D; strong MS Office and Teams skills; travel as requested.
Microsoft Windows, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Project, Microsoft Teams, ERP, MRP, AS9100 Rev D
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3w
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Process Engineer (New Grad December 2026)
Hawthorne or Los Angeles or El Segundo
$95k-$120k/yr OnsiteFull Time
Freeform
Freeform: AI-native metal 3D-printing manufacturer serving aerospace, defense, energy, semiconductor, automotive, and other industrial customers.
Bachelor's degree in materials science, physics, mechanical engineering, or similar ABET-accredited engineering discipline; experimental design, statistical analysis, large-data interpretation, and Python or MATLAB experience.
Python, MATLAB, R, JMP, Minitab
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2mo
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Senior AM Process Development Engineer
Torrance, California, United States
$141k-$225k/yr OnsiteFull Time
Divergent Technologies
Divergent Technologies: Private U.S. manufacturer of software-defined metal structures for aerospace, defense, and automotive customers.
5+ YOEB.S. or M.S. in Mechanical or Materials Engineering, 5+ years hands-on fabrication/assembly/testing and 5+ years developing L-PBF equipment or print file programming, ITAR/export-control access, ability to handle metal powders and lift 25 lbs, proficiency in materials engineering and process optimization.
Teamcenter, NX, Python, C++, DAPS
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3mo
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Robotics Engineer: Process
Carson, California, United States
$80k-$150k/yr OnsiteFull Time
GrayMatter Robotics
GrayMatter Robotics: Private physical AI and robotics providing autonomous surface-treatment systems to high-mix manufacturers.
1+ YOEBachelor's degree in Mechanical Engineering, Materials and Process Engineering, Materials Science, or related field; 1+ year manufacturing process development experience; strong materials science knowledge; analytical and collaborative skills; U.S. work authorization.
CAD
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2mo
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Process Development Engineer (TERADYNE, Agoura Hills, CA) (Agoura Hills, CA, US)
Agoura Hills, California, United States
$98k-$157k/yr OnsiteFull Time
Teradyne
TeradyneNASDAQ: TER: Global provider of automated test equipment and industrial robotics.
5+ YOEB.S. in Mechanical Engineering, 5+ years manufacturing engineering experience, SolidWorks and Teamcenter experience, develop assembly processes, design/qualify tools and fixtures, collaborate across teams, and travel 0–10%.
SolidWorks, SolidWorks PDM, Teamcenter, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
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Sr. Supplier Development Engineer (Mechanical)
Torrance, California, United States
$154k-$216k/yr OnsiteFull Time
Neros Technologies
Neros Technologies: American defense technology manufacturing attritable drones and autonomous unmanned systems for Western military forces.
5+ YOERequires 5+ years in supplier quality, manufacturing, quality, or process engineering for mechanical hardware; expertise in supplier audits, manufacturing processes, engineering drawings, quality tools, and production readiness.
CNC, GD&T, CMM, FAI, AS9102, PPAP, MSA/GR&R, PFMEA, SPC, Cpk/Ppk, 8D, SCAR, AS9100, ITAR, EAR, APQP, NDT, NDI
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