42 materials development engineer jobs at 33 companies in Acton, CA
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Materials Engineer (Materials Laboratory)
Hawthorne, California, United States
$100k-$140k/yr OnsiteFull Time
1+ YOEBS in materials science/engineering; 1+ years in a materials testing lab; hands-on mechanical testing or characterization experience.
SEM, EDS, XRD, FTIR, Spark OES, Pycnometer, Tensile Testing, TGA, DSC, DMA, Gleeble
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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
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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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
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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
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Staff Propulsion Development Engineer (Thrusters)
Redondo Beach, California, United States
$150k-$175k/yr OnsiteFull Time
8+ YOEBachelor's in engineering or science, 8+ years aerospace propulsion experience with bipropellant engines, hands-on hardware and test experience, proficiency in fluids/thermodynamics/materials, system trade capability, and project leadership.
1mo
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Staff R&D Materials Chemist Engineer
Pomona, California, United States
$135k-$165k/yr OnsiteFull Time
5+ YOEMS or PhD in relevant STEM field; 8 years' experience with MS or 5 years with PhD; wet/dry lab experience, statistical analysis (Minitab), DOE, GLP, MS Office proficiency, Instron familiarity, and <10% travel.
Minitab, Instron, Microsoft Office, DOE
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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
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Lead Additive Manufacturing Applications Development Engineer
Los Angeles, California, United States
$150k-$220k/yr OnsiteFull Time
8+ YOE2+ Mgmt8+ years in metal AM applications/engineering; 2+ years leading teams; BS in mechanical/materials/aerospace/manufacturing; customer-facing experience; hands-on LPBF/laser powder bed fusion; production ramp and qualification.
laser powder bed fusion, additive manufacturing software, simulation tools, post-processing
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Sr Research Engineer - Polymer Materials (Fontana, CA, US, 92337)
Fontana, California, United States
$120k-$135k/yr OnsiteFull Time
0+ YOEPhD in polymer science/engineering or MS with 3–10 years of experience; PVC expertise; AI-assisted material characterization; travel ~35%; strong communication.
PVC, extrusion, formulation development, DSC, TGA, DMA, rheometer
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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
6d
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Materials Physicist – Non-Destructive Evaluation (NDE)
El Segundo, California, United States
$100k-$176k/yr OnsiteFull Time
3+ YOEMaster's in relevant STEM field, minimum 3 years post-bachelor engineering/science experience (or 5+ for research scientist), proficiency with NDI techniques, ability to obtain security clearance, strong communication and project skills.
Python, C++, Labview
1w
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Manufacturing Engineer 3
Los Angeles, California, United States
$104k-$155k/yr OnsiteFull Time
5+ YOEExperience in manufacturing engineering, process development, IPC standards, MRP/MES use, material review board activity, ability to obtain U.S. Secret clearance; Bachelor's+5yrs or Master's+3yrs (or 9yrs experience).
IPC Standards, Manufacturing Resource Planning (MRP), MES
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Principal Process Engineer Solar
Los Angeles, California, United States
$175k-$200k/yr OnsiteFull Time
8+ YOE8+ years of materials and process engineering experience in solar array development; Bachelor's degree in a technical field; strong background in manufacturing processes and qualification.
Semiconductor/solar array manufacturing tools, DOE/statistical analysis software, Python, MATLAB, XRD/SEM/EDS/FTIR/DSC/TGA (characterization tools)
3w
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Industralization Engineer
Rancho Dominguez, California, United States
OnsiteFull Time
Develop and qualify production materials, equipment and technologies; write technical specifications; lead process transfers; perform tests and ramp-up; manage operational projects with risk analysis and reporting.
7h
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Principal Additive Manufacturing Engineer
Los Angeles, California, United States
OnsiteFull Time
5+ YOEBS, MS, or PhD in a relevant engineering, materials science, manufacturing, welding, metallurgy, physics, or related field; 5+ years of hands-on AM or related metal processing experience; expertise in metal AM processes and process development.
LPBF, DED, WAAM, EBAM, CAD
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Packaging Engineer
Playa Vista, California, United States
$85k-$104k/yr HybridFull Time
2+ YOEBachelor’s degree in packaging or equivalent; 2–4 years of CPG packaging development experience; proficiency in TOPS/CAPE, Minitab or JMP, Google Suite, and Gemini; packaging materials and retailer compliance knowledge.
TOPS/CAPE, Minitab, JMP, Google Suite, Gemini, JD Edwards, Veeva
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Applied Scientist, Materials and Process Development, AWS Center for Quantum Computing
Pasadena, California, United States
$143k-$193k/yr OnsiteFull Time
PhD in engineering, physics, or materials science; expertise in thin-film deposition and 200 mm wafer scale; strong materials characterization and cross-functional collaboration.
Thin-film deposition, Materials characterization, Semiconductor process integration
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Lead Propulsion Component Engineer
Los Angeles, California, United States
$139k-$187k/yr OnsiteFull Time
7+ YOEBachelor's in mechanical/aerospace engineering, 7+ years developing mechanical or propulsion hardware, experience owning hardware through test/production, strong fluids/thermodynamics/materials fundamentals, hands-on design/build/integration, and US person or eligible for deemed export licensing.
NX, ANSYS
5d
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Sr. Manufacturing Engineer- CNC Programmer
Mojave, California, United States
$117k-$154k/yr OnsiteFull Time
5+ YOEExtensive CNC machining and programming experience, multi-axis and 5-axis proficiency, Mastercam programming and simulation, experience with FANUC/Haas controls, material experience (aluminum, titanium, Inconel), and ability to develop machining processes from design to production.
Mastercam 2026, Mastercam Verify, NX, NX simulation, SolidWorks, Teamcenter, Jira, FANUC, Haas, ProtoTRAK, Matsuura
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