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105 materials testing jobs at 74 companies in South Gate, 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
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2d
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Senior Materials Engineer, Composites
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOEBachelor's in materials/mechanical/aerospace field, 5+ years composite materials/process experience, familiarity with thermoset/thermoplastic systems, ASTM testing and allowables development, ability to obtain US security clearance.
CMH-17, ASTM, ultrasonic, X-ray, thermography
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1w
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Materials Engineer, Additive Manufacturing
Los Angeles, California, United States
$150k-$220k/yr OnsiteFull Time
Hadrian
Hadrian: Building autonomous factories for aerospace and defense manufacturing.
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
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Materials Engineer, Ceramics
Torrance, California, United States
$115k-$185k/yr OnsiteFull Time
Antares
Antares: Designing and manufacturing microreactors for defense and space missions.
2+ YOEBachelor's in engineering or physics-based field,2+ years materials experience,proficiency in optical and electron microscopy and mechanical testing,knowledge of TRISO/coating processes preferred,strong communication and regulatory awareness,ability to work long hours and weekends;U.S. eligibility per ITAR.
optical microscopy, electron microscopy
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1mo
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Senior Materials Engineer - Metals
Tustin or Plymouth or Normal
$99k-$123k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
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
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1w
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Materials and Process Engineer
Torrance, California, United States
$105k-$160k/yr OnsiteFull Time
Robinson Helicopter
Robinson Helicopter: Designs and manufactures civil helicopters and uncrewed aerial systems.
Hands-on materials and process engineering for material selection, testing, failure investigation, process improvement, and compliance with 14 CFR Part 27.
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Materials & Process Engineer
Torrance, California, United States
$100k-$165k/yr OnsiteFull Time
Stellant Systems
Stellant Systems: Manufacturer of radio frequency and microwave amplification products.
4+ YOEBachelor's degree in Materials/Mechanical/Chemical Engineering, 4+ years experience (levels up to 9 years), expertise in welding/brazing/soldering, chemical cleaning and plating, lab testing (SEM, XPS, DSC, XRF, X‑Rays), and ability to write specifications and train operators.
Laser, TIG, Resistance, Gas Tungsten Arc Welding (GTAW), Laser Welding, Brazing, Soldering, SEM, XPS, microscopy, DSC, XRF, X-Rays, Microsoft Office
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2w
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Staff Materials and Process Engineer
Los Angeles, California, United States
OnsiteFull Time
Karman Industries
Karman Industries: Modular electric heat pumps for industrial thermal energy management.
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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1mo
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Construction Services (Materials Testing) Project Manager
Irvine or Fontana
$110k-$135k/yr OnsiteFull Time
Socotec
Socotec: Provides testing, inspection, and certification services for building safety.
5+ YOE5+ years in construction materials testing or related field, project management experience, strong knowledge of earthwork, special inspections, QA/QC, report review, client communication, and multi-project management.
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4d
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Materials & Processes Technical Specialist II
Long Beach, California, United States
$38-$58/hr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOEAssociate's degree in materials or natural science,5+ years hands-on aerospace high-temperature materials processing and testing, CNC and composite fabrication experience, ability to operate tooling and testing instruments,mentoring skills.
Prototrack, DXF, STF, SPACECLAIM, AutoCAD, NX, Team Center, Warp Drive, Microsoft Office, Microsoft Excel, DSC, LFA, TGA, Dilatometer, Instron
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2mo
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Energetic Materials Engineer, Solid Propellant
Los Angeles, California, United States
OnsiteFull Time
Furientis
Furientis: Develops cost-effective, high-volume interceptor missile systems.
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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1mo
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Materials Lab Technician II
Long Beach, California, United States
$25-$35/hr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
2+ YOE2+ years metallurgical lab experience, HS diploma/GED, familiarity with metallography, tensile testing, composites, precision measuring, and lab procedures.
Instron, XRF, SEM
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Materials Lab Technician II
Long Beach, California, United States
$25-$35/hr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
2+ YOE2+ years metallurgical lab experience, HS/GED, familiarity with testing specs, alloys and composites, ability to stand for 8+ hours, lift 25 lbs, perform repetitive motions, and work varied shifts including weekends.
Instron, XRF, SEM, Optical Microscopy
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Materials and Process Engineer 2/3
Woodland Hills, California, United States
$83k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEBS in STEM (materials science preferred) with 2+ years engineering experience (5+ years for principal), U.S. citizenship, ability to obtain Secret clearance, knowledge of metallurgy, adhesives, testing methods, lab techniques, and manufacturing processes.
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Construction Materials Engineering and Testing (CMT) Senior Project Manager
Ontario, California, United States
$150k-$175k/yr OnsiteFull Time
Kleinfelder
Kleinfelder: Professional engineering, design, and construction management services.
15+ YOE10+ Mgmt15+ years in materials testing/special inspection/construction management, 10+ years project management, valid driver's license, strong client communication, MS Office proficiency, authorization to work in the U.S.
Microsoft Word, Microsoft Excel, Microsoft Outlook
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1mo
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Materials Lab, General Helper
Hawthorne, California, United States
$20/hr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
High school diploma or GED, available to work 2nd shift (1:30 PM–9:30 PM). Ability to perform metallurgical sample prep, operate/maintain test equipment, perform data entry, lift up to 30 lbs, and work overtime when needed.
Instrons, surface scanners
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3w
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Senior Associate, Raw Materials - Trim
Santa Monica, California, United States
$75k-$85k/yr OnsiteFull Time
FIGS
FIGSNYSE: FIGS: Sells premium healthcare apparel and scrubs to medical professionals.
3+ YOE3+ years fashion industry experience with trim development; strong technical knowledge of trim testing, PLM, Excel, Adobe Illustrator; ability to lift 40+ lbs and manage supplier relationships.
PLM, Microsoft Excel, Adobe Illustrator, Microsoft Office, RMS
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6d
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Field Material Testing and Plant Inspector
Santa Ana or Orange County
$5k-$7k/mo OnsiteFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Perform field and lab material testing and plant inspection for soil, aggregate, asphalt, and concrete; valid CA driver’s license required; follow CTM/ASTM/ACI/AASHTO methods.
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Quality Control Spec II (Raw Materials)
Irvine, California, United States
$78k-$107k/yr OnsiteFull Time
Bio-Rad Laboratories
Bio-Rad LaboratoriesNYSE: BIO: Develops and manufactures products for life science research and diagnostics.
2+ YOEBachelor's in life science (or equivalent), 2+ years lab experience, proficiency with sampling, testing, documentation, GMP/GDP, LIMS and ERP; strong time management and analytical skills.
ERP system, Laboratory Information Management System (LIMS)
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1mo
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Test Engineer (Solar Chemistry) - Space Solar
Hawthorne, California, United States
$125k-$160k/yr OnsiteFull Time
Starpath
Starpath: Manufacturing space-rated solar hardware and lunar mining robotics.
1+ YOEBachelor's degree in a relevant STEM field, 1+ years hands-on experience characterizing thin-film/optoelectronic/photovoltaic materials and devices; experience with materials and device characterization, stability testing, and data analysis.
LabVIEW, Python, MATLAB
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