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67 materials testing jobs at 48 companies in Simi Valley, 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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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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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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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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Construction Materials Testing Engineering Manager
Ventura, California, United States
$155k-$200k/yr OnsiteFull Time
NV5
NV5: Provides engineering, testing, inspection, and infrastructure consulting services.
5+ YOE2+ MgmtBS in Civil Engineering, registered PE in California, 5+ years testing/inspection experience, 2+ years supervising special inspections, familiarity with DSA/HCAI/Caltrans/AASHTO/ASTM, project management, report review, and MS Office proficiency.
Microsoft Office
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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 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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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 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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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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3w
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Material Handler - Commerce, CA
Commerce, California, United States
$35/hr OnsiteFull Time
Univar Solutions
Univar Solutions: Distributes industrial chemicals and specialty ingredients to global businesses.
Operate forklift, mix and package products, handle hazardous materials, lift up to 100 lb, follow cGMP and safety procedures, pass drug test.
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Proctor
Moorpark or Camarillo or Ventura County
$4k-$5k/mo OnsiteFull Time
Ventura County Community College District
Ventura County Community College District: Provides public higher education and career training programs.
High school diploma or equivalent required; administer and proctor tests, maintain confidential test materials, and perform clerical tasks as directed.
Zoom
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1mo
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Sr. Director of Material Sourcing and R&D
Culver City, California, United States
$160k-$234k/yr HybridFull Time
Levi Strauss & Co.
Levi Strauss & Co.NYSE: LEVI: Designs and sells denim jeans and casual lifestyle apparel.
10+ YOE10+ years in material R&D and product development with textile technology expertise; experience sourcing, testing, and scaling fabrics; sustainability and supplier management; senior-level cross-functional leadership.
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CNC Operator I
Carson, California, United States
OnsiteFull Time
Ducommun
DucommunNYSE: DCO: Manufactures structural and electronic systems for aerospace and defense.
1+ YOEOperate CNC machines, read blueprints, load materials, perform tests, inspect parts with precision tools, and maintain machinery.
Haas controller, calipers, micrometer, gage, blueprints
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Quality Control Lab Technician
Little Rock, California, United States
$24-$26/hr OnsiteFull Time
A&A Ready Mixed Concrete
A&A Ready Mixed Concrete: Supplying and delivering ready-mixed concrete for construction projects.
High school diploma or equivalent; working knowledge of Microsoft Office; ability to perform sieve analysis, moisture testing, and other materials tests in accordance with ASTM/AASHTO/Caltrans; attention to detail and recordkeeping.
Microsoft Office
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