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117 process mechanic jobs at 71 companies in Santa Clarita, CA

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Maintenance Mechanic
Torrance, California, United States
$26/hr OnsiteFull Time
Rich Products Corporation
Rich Products Corporation: Family-owned global food providing creative culinary solutions.
3+ YOEHigh school diploma/GED, 3+ years food‑processing maintenance experience, mechanical/electrical/PLC troubleshooting, SCADA proficiency, ability to train others, knowledge of GMP and safety practices.
SCADA, PLC, SLC, VFD, SCR, RTD
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1w
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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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1mo
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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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Truck Mechanic I
Pacoima, California, United States
$40/hr OnsiteFull Time
Athens Services
Athens Services: Family-owned Southern California waste collection and recycling serving residential, commercial, and municipal customers.
Diagnose and repair diesel and CNG heavy trucks, perform inspections and roadside repairs, follow DOT/CHP processes, possess Class C driver license, ASE/CNG certifications preferred, and be able to perform physical work safely.
Cummins Insite, Allison
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Maintenance Mechanic II
Duarte or Irwindale
$36-$41/yr OnsiteFull Time
WePackItAll
WePackItAll: Contract filling and-packaging serving health and wellness brands with powder, gummy, tablet, and liquid products.
2+ YOEMaintain, troubleshoot, and repair electrical and mechanical equipment in a food processing plant; welding, fabrication, VFDs, pneumatic and hydraulic systems; follow safety and preventive maintenance procedures.
Vertical Form and Fill Machines, Automated Scales, VFD, Metal Detectors, Forklift, Scissor Lift
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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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3w
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Manufacturing Process Engineer Level 2
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 degree in mechanical or manufacturing engineering, 3–10 years of manufacturing process experience, SOLIDWORKS proficiency, GD&T knowledge, and experience with complex production processes.
SOLIDWORKS, 3D CAD, GD&T, industrial sensors, motion systems, dispense systems, temperature controllers, laser distance sensors, injection molders, die casters
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2w
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Electro Mechanic
City of Industry, California, United States
$38/hr OnsiteFull Time
Tropicana Brands Group
Tropicana Brands Group: We nourish and delight, one sip at a time.
1+ YOERequires 3–4 years in food processing, including equipment maintenance, electrical and instrumentation work, PLCs, pumps, schematics, testing equipment, and computerized maintenance systems.
lathe, mill, grinders, SCBA, respirator, HVAC, computerized maintenance management systems, Windows, Microsoft Office Suite, PLC, AC/DC drives
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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+ 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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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 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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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/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
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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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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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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
Blue Origin: Developing reusable space vehicles and infrastructure.
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)
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