301 materials engineering jobs at 144 companies in Diamond Bar, CA
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2026-2027 Facilities Engineering Materials Engineering Intern
Houston or Richmond or El Segundo or Pasadena or Pascagoula or Salt Lake City
$28/hr OnsiteFull Time
Must be a student pursuing BS/MS/PhD in metallurgical, materials, or corrosion engineering with strong academics, communication, teamwork, leadership, and problem-solving skills.
2w
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Manager, Stage Materials & Processes Engineering
Long Beach, California, United States
$150k-$224k/yr OnsiteFull Time
6+ YOE2+ MgmtBachelor's in materials science/engineering or related field,6+ years materials & process engineering experience,2+ years leading technical teams,proficiency in M&P qualification,failure analysis,and experimental design.
2w
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Materials Engineer II
Torrance, California, United States
$115k-$150k/yr OnsiteFull Time
2+ YOEBachelor's in materials/mechanical engineering, 2+ years materials engineering experience, proficiency in optical/electron microscopy and mechanical property evaluation, materials characterization and failure analysis.
optical microscopy, electron microscopy
1d
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Staff Materials Engineer, Design Allowables & Materials Data
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
8+ YOEBachelor's in materials-related field,8+ years materials/process engineering experience in aerospace/defense,expertise in materials characterization,design allowables,materials data management,and ability to obtain U.S. Top Secret clearance.
Lattice OS, MMPDS, CMH-17
1mo
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Sr. Materials Engineer, Materials Laboratory
Hawthorne, California, United States
$135k-$190k/yr OnsiteFull Time
5+ YOEBachelor's in materials or related field, 5+ years materials lab engineering experience, hands-on with mechanical/thermal/characterization testing, proficiency with Python or MATLAB, experience with SEM/EDS/XRD/TGA/DSC/DMA/Gleeble, ability to lift 25 lbs and work extended hours/weekends.
Python, MATLAB, SEM, EDS, XRD, FTIR, spark OES, pycnometer, TGA, DSC, DMA, Gleeble, ASTM, ISO
1mo
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Materials & Process Engineer
Torrance, California, United States
$100k-$165k/yr OnsiteFull Time
4+ YOEProvide engineering support for materials and joining processes including welding, brazing, soldering, cleaning, plating, and laboratory testing; develop specs, troubleshoot, and train operators.
SEM, XPS, microscopy, DSC, XRF, X-Rays, Microsoft Office
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Senior Materials Engineer - Metals
Tustin or Plymouth or Normal
$99k-$123k/yr OnsiteFull Time
5+ YOEMaster’s degree in materials/metallurgical/mechanical engineering, 5+ years in automotive product development, deep steel metallurgy, light-metal knowledge, hands-on microscopy and testing, familiarity with manufacturing and supplier processes, strong communication.
microscopy, formability testing, mechanical testing, corrosion evaluation, APQP, PPAP, DFMEA, PFMEA, CAE
1w
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Materials and Process Engineer
Torrance, California, United States
$105k-$160k/yr OnsiteFull Time
Hands-on materials and process engineering for material selection, testing, failure investigation, process improvement, and compliance with 14 CFR Part 27.
1w
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Materials Engineer, Additive Manufacturing
Los Angeles, California, United States
$150k-$220k/yr OnsiteFull Time
4+ YOEMaster's in materials or related field, 4+ years qualifying additive manufacturing processes (LPBF/DED), alloy knowledge, materials testing and metallurgical analysis, DOE and statistical analysis, ability to author specs and qualification docs.
MMPDS, NADCAP, AMS7000, AS9100, ASTM, AMS
2mo
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Materials Scientist — Organic Crystal Growth & Process Engineering
Pasadena, California, United States
$154k-$217k/yr OnsiteFull Time
3+ YOEPhD in chemical/ materials science or related field; 3+ years experience; strong materials development and characterization background.
COMSOL Multiphysics, Ansys Fluent, Siemens FLOEFD/StarCCM+, NX, SolidWorks, CNC machining, 3D printing, NMR, GC/MS, LC/MS, SEM, AFM, XRD, DSC, TGA
3w
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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.
2mo
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Electronics Parts, Materials, and Processes Engineer (Senior Engineering Specialist)
El Segundo, California, United States
$166k-$250k/yr OnsiteFull Time
Bachelor's in materials science, electrical engineering, or related field; PMP proficiency for PM&P; experience with COTS and MIL parts selection; ability to work on-site in El Segundo, CA; TS/SSBI-level clearance/ability to obtain preferred.
MS Project, Jira
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Energetic Materials Engineer, Solid Propellant
Los Angeles, California, United States
OnsiteFull Time
5+ YOEB.S. or M.S. in chemistry/chemical engineering/materials + 5+ years hands-on composite-propellant formulation and mix/process development with at least one propellant taken through motor flight/qualification; experience with mixers, burn-rate testing, thermochemistry codes, supplier qualification; U.S. Person.
Claude Code, Codex, OpenCode
1w
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Senior Materials & Process Engineer (Metallurgy)
Torrance, California, United States
$141k-$194k/yr OnsiteFull Time
5+ YOEBachelor's in materials or related field,5+ years executing material qualifications and working with hardware in manufacturing,experience with AMS/ASTM/MIL standards,ability to perform metallurgical evaluation and interpret aerospace/defense requirements,able to lift 25 lbs.
Teamcenter, NX
2mo
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Principal/Sr Principal Materials and Process Engineer
El Segundo, California, United States
$104k-$193k/yr OnsiteFull Time
5+ YOEUS Secret-clearable materials/process engineer with materials testing/qualification experience, STEM degree, Microsoft Office proficiency, and demonstrated troubleshooting and supplier/design interaction skills; travel up to 10%.
Teamcenter, JDL, Fibersim, Catia, Microsoft Office Suite
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Materials and Process Engineer 3/4
Woodland Hills, California, United States
$104k-$194k/yr OnsiteFull Time
5+ YOEExperience in metallurgy, materials testing, and manufacturing processes; active US Secret clearance; 5+ years engineering experience with STEM bachelor's; hands-on lab and supplier support experience.
SEM, NDT, NDI
1mo
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Composites Materials and Process Engineer (US)
Anaheim, California, United States
$123k-$168k/yr OnsiteFull Time
5+ YOEBachelor's in engineering or materials science required; 5+ years' experience in composites R&D, 2+ years reviewing composite part designs, 3+ years in composite materials/process R&D, aerospace industry experience, strong problem solving and communication.
1mo
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Materials and Process Engineer I
El Segundo, California, United States
$63k-$120k/yr OnsiteFull Time
0+ YOEUniversity degree or equivalent and typically less than 2 years relevant experience; experience with wet chemistry and lab equipment (microscopes, viscometer, mixers, Instron); knowledge of OSHA/Cal-OSHA and hazardous materials handling; U.S. citizenship required.
microscopes, viscometer, mixers, Instron, FTIR, ICP, DSC, DMA, GC, TGA, Microsoft Office
1mo
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Production & Materials Planner
Huntington Beach, California, United States
$120k-$195k/yr OnsiteFull Time
3+ YOE3+ years production planning/supply chain experience, familiarity with MRP/ERP/PLM/MES, BOM/MBOM knowledge, capacity and inventory planning, material readiness, problem solving and cross-functional coordination. Bachelor's in engineering/manufacturing or equivalent experience.
PLM, MRP, ERP, SAP, Oracle, MES, MPS, MBOM, BOM
4d
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Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Enrolled in BS/MS engineering (biomedical, mechanical, electrical, industrial, materials, computer or related) with expected graduation 2027–2029; U.S. work authorization required; minimum 3.0 GPA preferred; prior engineering coursework/projects preferred.
CAD
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