58 mechanical process engineer jobs at 36 companies in Moorpark, CA
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Process Safety Engineer (Mechanical)
Hawthorne, California, United States
$100k-$160k/yr OnsiteFull Time
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
1d
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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
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
1mo
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Mechanical Engineer
Oxnard, California, United States
$140k-$210k/yr OnsiteFull Time
5+ YOEBachelor's in Mechanical or Aerospace Engineering, 5+ years mechanical/structures design and integration experience, proficiency in CAD (NX preferred) and PLM (Teamcenter), GD&T knowledge, manufacturing process familiarity.
NX, Teamcenter, CAD
2mo
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Mechanical Engineer (Processes)
Gardena, California, United States
OnsiteFull Time
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
3w
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Senior Process Engineer
Torrance, California, United States
$144k-$176k/yr OnsiteFull Time
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.
3w
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Senior Process Design Engineer
Los Angeles or Irvine or San Diego or San Francisco
$122k-$194k/yr HybridFull Time
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
3d
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Materials & Process Engineer
Torrance, California, United States
$85k-$165k/yr OnsiteFull Time
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
3w
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Senior Process Design Engineer
Los Angeles or Irvine or San Diego or San Francisco
$122k-$194k/yr HybridFull Time
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
1w
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Mechanical Design Engineer II
Los Angeles or Torrance
$90k-$150k/yr OnsiteFull Time
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)
1mo
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Staff Materials and Process Engineer
Los Angeles, California, United States
OnsiteFull Time
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.
1mo
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Business Process Engineer
Moorpark, California, United States
$64k-$120k/yr OnsiteFull Time
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
2w
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Process Engineer (New Grad December 2026)
Hawthorne or Los Angeles or El Segundo
$95k-$120k/yr OnsiteFull Time
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
2mo
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Senior AM Process Development Engineer
Torrance, California, United States
$141k-$225k/yr OnsiteFull Time
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
3mo
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Robotics Engineer: Process
Carson, California, United States
$80k-$150k/yr OnsiteFull Time
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
1mo
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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
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
2d
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Sr. Supplier Development Engineer (Mechanical)
Torrance, California, United States
$154k-$216k/yr OnsiteFull Time
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
1mo
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Business Process Engineer
Moorpark, California, United States
$64k-$120k/yr OnsiteFull Time
5+ YOEBS/MS in science or engineering (preferred mechanical), 5+ years aerospace & defense experience, expertise in continuous improvement/Lean/Six Sigma, ERP/MRP knowledge, AS9100 Rev D, audit/CAPA/NCR experience, MS Office proficiency, ability to travel.
Microsoft Windows, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Project, Microsoft Teams
1w
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2026 Intern Conversion - Materials and Process Engineer I
Seattle or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston or United States
$75k-$114k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship; enrolled in or recently graduating from college; minimum B.S. in mechanical, aerospace, or astronautical engineering; strong communication and teamwork skills; U.S. work authorization required.
Defense Biometric Identification System (DBIDS)
2w
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Manufacturing Engineer
Torrance, California, United States
OnsiteFull Time
2+ YOEBachelor's degree in engineering, 2+ years of manufacturing or process engineering experience, CAD proficiency, and knowledge of precision assembly, welding, adhesives, and mechanical fastening.
CAD, Siemens NX
1mo
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Mechanical Inspector
Sylmar, California, United States
$25-$30/hr FieldFull Time
5+ YOEPerform in-process and final inspections to engineering drawings and standards (ANSI Y14.5, AS9102); 5+ years aerospace/defense inspection experience preferred; able to use micrometers/calipers and report results via web application.
micrometers, calipers, Microsoft Word, Microsoft Excel