38 materials science engineer jobs at 29 companies in Acton, CA

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Materials Engineer (Materials Laboratory)
Hawthorne, California, United States
$100k-$140k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
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
4w
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Materials and Process Engineer 3/4
Woodland Hills, California, United States
$104k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEActive US Secret clearance, STEM bachelor's (materials science preferred), 5+ years engineering experience (Principal) or 8+ years (Sr Principal), metallurgy and manufacturing process knowledge, lab/ metallography experience.
SEM
3w
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Manager, Stage Materials & Processes Engineering
Long Beach, California, United States
$150k-$224k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
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.
1mo
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Composites Materials and Process Engineer (US)
Anaheim, California, United States
$123k-$168k/yr OnsiteFull Time
Syensqo
SyensqoEuronext Brussels: SYENS: Develops specialty chemicals and advanced materials for global industries.
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.
3mo
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Materials Scientist — Organic Crystal Growth & Process Engineering
Pasadena, California, United States
$154k-$217k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
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
3mo
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Robotics Engineer: Process
Carson, California, United States
$80k-$150k/yr OnsiteFull Time
GrayMatter Robotics
GrayMatter Robotics: Develops autonomous robotic systems for industrial surface finishing applications.
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
3mo
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Sr Research Engineer - Polymer Materials (Fontana, CA, US, 92337)
Fontana, California, United States
$120k-$135k/yr OnsiteFull Time
James Hardie
James HardieNYSE: JHX: Manufacturer of fiber cement siding and exterior building products.
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
1w
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Chemical Engineer
Redondo Beach, California, United States
$70k-$100k/yr OnsiteFull Time
Mycronic
MycronicNasdaq Stockholm: MYCR: Develops and manufactures high-precision electronics production equipment.
0+ YOEBachelor's in chemical/material engineering or material science required; 0–3 years' experience; strong oral/written communication; willingness to travel domestically and internationally; must be authorized to work in the U.S.; no visa sponsorship.
1w
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Materials Physicist – Non-Destructive Evaluation (NDE)
El Segundo, California, United States
$100k-$176k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
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
2mo
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Lead Packaging Engineer
Palo Alto or Los Angeles or Boston or Chicago or Sydney
$200k-$260k/yr OnsiteFull Time
Diraq
Diraq: Builds scalable quantum processors using silicon CMOS technology.
Bachelor's in engineering or materials science, significant semiconductor packaging experience, expertise in PCB/substrate and mechanical design, failure analysis, thermal management, and delivering scalable hardware from concept to manufacturing.
4d
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Process Engineer (New Grad December 2026)
Hawthorne or Los Angeles or El Segundo
$95k-$120k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
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
1w
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Process Engineer II (85558)
El Monte, California, United States
$84k-$101k/yr OnsiteFull Time
The Gill Corporation
The Gill Corporation: Manufacturer of high-performance composite materials for aerospace and aviation.
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
2mo
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Staff Propulsion Development Engineer (Thrusters)
Redondo Beach, California, United States
$150k-$175k/yr OnsiteFull Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
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.
1w
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Design Engineer (Associate, Experienced, or Senior)
El Segundo, California, United States
$91k-$183k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOEAbility to obtain U.S. Top Secret/SCI clearance (U.S. citizenship required), Bachelor of Science in engineering, experience with CAD and space hardware, composite materials, structural/payload engineering; years of related experience vary by level.
Computer Aided Design (CAD), Creo Parametric, Geometric Dimensioning and Tolerancing (GD&T)
2mo
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Radiation Effects Engineer II
Seattle or Phoenix or Huntsville or Denver or Los Angeles or Reston
OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
2+ YOEBS in Electrical Engineering, Physics, CS, Nuclear Science or related; experience with radiation effects on electronics and materials; familiarity with ionizing/non-ionizing radiation, SEE/TID/DDD; strong communication; willing to travel.
Python, C, Gitlab, SQL, I2C, SPI
1d
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Principal Additive Manufacturing Engineer
Los Angeles, California, United States
OnsiteFull Time
Arcturus
Arcturus: Develops carbon nanomaterial-infused metal composites for high-performance conductors.
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
2mo
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Component Engineer, SME - Part-Time (BT-26115)
Pasadena, California, United States
$140k-$200k/yr RemotePart Time
Bastion Technologies
Bastion Technologies: Engineering and mission assurance services for the aerospace industry.
20+ YOEUS citizenship or permanent residency; bachelor's in electrical engineering, physics, materials science/engineering, applied mathematics or related; 20+ years in components/parts engineering; expertise in RF, Hybrid, Magnetics, Photonics, VLSI, or Passives; experience with COTS parts in high-reliability space programs.
Microsoft Office, TEAMS, CAD, Engineering Analysis Tools
2mo
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Solid Propellant Engineer
Victorville, California, United States
$130k-$175k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
Bachelor’s degree in aerospace, mechanical, chemical, or materials science; solid propulsion experience; combustion/thermodynamics/propulsion fundamentals; hands-on lab work; ability to obtain US security clearance.
CFD, FEA, Thermal analysis, Propulsion simulation, Modeling and simulation tools
2w
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2027 Burbank PhD Program - Aerospace Product Developer
Burbank, California, United States
$110k-$120k/yr OnsiteFull Time
PPG
PPGNYSE: PPG: Manufacturer of paints, coatings, and specialty materials.
Degree in chemistry, chemical engineering, materials science or related; strong communication skills; customer-focused; available for 10-20% travel.
2mo
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Applied Scientist, Materials and Process Development, AWS Center for Quantum Computing
Pasadena, California, United States
$143k-$193k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
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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