355 polymer engineer jobs at 219 companies in United States

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Polymer Process Engineer
Washington, Iowa, United States
OnsiteFull Time
Brava Roof Tile
Brava Roof Tile: U.S. manufacturer of synthetic slate, cedar shake, and Spanish barrel roofing tiles for homeowners and building professionals.
5+ YOEBachelor's degree in chemical, polymer, or materials engineering and 5–10 years of polymer processing experience focused on twin-screw extrusion or compounding, polyethylene formulations, troubleshooting, and manufacturing improvement.
Six Sigma, Lean Manufacturing, Statistical Process Control (SPC), Differential Scanning Calorimetry (DSC)
2mo
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Principal Polymer Engineer - CMP Pads
Aurora or Hillsboro
$140k-$187k/yr OnsiteFull Time
Entegris
EntegrisNASDAQ: ENTG: Advanced materials and process solutions for the semiconductor industry.
5+ YOEPh.D.+5 yrs or M.S.+8 yrs in polymer science/chemical engineering/materials; deep polymer structure–property–processing knowledge; experience with polymer processing, characterization (DMA, DSC, TGA, FTIR, rheology), DOE and statistical analysis; polyurethane experience preferred.
Design of Experiments (DOE), DMA, DSC, TGA, FTIR, rheology, microscopy, mechanical testing
1mo
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Polymer Engineer (Research and Development)
Addison, Texas, United States
OnsiteFull Time
Firehawk Aerospace
Firehawk Aerospace: U.S. private aerospace and defense manufacturer producing solid rocket motors, energetic materials, and propellant for military customers.
5+ YOEBachelor's in chemical/mechanical/polymers engineering,5+ years polymer R&D/processing experience, twin-screw extrusion and injection molding experience, rheology knowledge, project management, strong communication, U.S. citizenship and ability to obtain security clearance.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft OneNote
3mo
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Polymer Chemist/Engineer
Atlanta, Georgia, United States
OnsiteFull Time
The Quikrete Companies
The Quikrete Companies: Manufacturer of packaged concrete and related construction materials.
3+ YOEB.S. in Chemistry/Polymer/Materials Science; 3-5+ years in industrial formulation of polymer-based coatings, adhesives, sealants; experience with reactive chemistries (epoxies, urethanes, siloxanes); scale-up knowledge; strong communication.
5d
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Polymer Processing Engineer
Hattiesburg, Mississippi, United States
OnsiteFull Time
University of Southern Mississippi
University of Southern Mississippi: Public research university providing education and research.
Bachelor’s degree in engineering or related field; 3–10 years manufacturing experience, including 5+ years with polymer processing; customer experience; proficiency in technical, statistical, CAD, and manufacturing tools.
CAD, injection molding, extrusion, Brabender mixing, thermoforming, 3D printing, composite manufacturing, Statistical Process Control (SPC), Design of Experiments (DOE), Microsoft Office, Microsoft Excel, Minitab, SolidWorks, Fusion 360, Industry 4.0, robotics, digital twins, predictive analytics
10h
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Polymer Engineer
New Berlin, Wisconsin, United States
$60k-$85k/yr OnsiteFull Time
Element Materials Technology
Element Materials Technology: Provides testing, inspection, and certification services.
1+ YOEBachelor's or Master's in a polymer-related field, 1–5 years of experience, polymeric materials analysis, and familiarity with analytical testing; failure analysis preferred.
FTIR, DSC, TGA, GC/MS, TMA, DMA
2mo
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Polymer Manufacturing Engineer
Putnam, Connecticut, United States
OnsiteFull Time
Foster, LLC
Foster, LLC: Private biomedical polymer compounder serving medical-device manufacturers with custom compounds, implantable materials, and development support.
3+ YOEKnowledge of polymer processing, compounding, and blending; B.S. in Engineering or Science preferred (experience may substitute); 3+ years related experience preferred; proficient in Microsoft Word/Excel/Outlook; ability to lift up to 50 lbs.
Microsoft Word, Microsoft Excel, Microsoft Outlook
1w
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Materials Engineer, Polymer Development
Hawthorne, California, United States
$100k-$160k/yr OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
2+ YOEBachelor's degree in chemistry, polymer science, or materials science and engineering, plus 2+ years of polymer formulation, chemical synthesis, polymer chemistry, or non-metallic materials engineering experience.
FTIR, TGA, DSC, DMA, TMA, TPS, NMR, UV-Vis, GPC, GC, MS
6d
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PhD Polymer Scientist
Kingsport, Tennessee, United States
OnsiteFull Time
Eastman Chemical Company
Eastman Chemical CompanyNew York Stock Exchange: EMN: Public American specialty materials manufacturer serving transportation, construction, consumables, industrial, food, and health markets.
Ph.D. in chemistry, polymer science, materials science, chemical engineering, or related field, graduating in 2026 or 2027. Requires polymer synthesis, characterization, laboratory experimentation, safety, communication, and teamwork skills.
Injection molding, extrusion
2w
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Chemical Engineer, Polymer Coatings
San Carlos, California, United States
$200k-$248k/yr OnsiteFull Time
1X Technologies
1X Technologies: Private AI and robotics developing humanoid home robots for household assistance.
3+ YOEBachelor's or master's in chemical engineering, materials science, polymer chemistry, polymer science, or related engineering field; 3+ years developing polymer coatings; expertise in characterization, synthesis, formulation, DOE, and lab safety.
DMA, DSC, TGA, FTIR, DOE, rheology, optical microscopy
3w
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Polymer R&D Engineer/Scientist
Washington or Key West
$78k-$116k/yr FieldFull Time
Precise Systems
Precise Systems: Private U.S. defense contractor providing engineering, digital, lifecycle, and program-support services to government and military customers.
3+ YOERequires a relevant undergraduate degree and 3 years of materials research experience, including FEA modeling and MATLAB; must understand polymers, composites, adhesives, degradation, testing, and root-cause analysis.
Finite Element Analysis (FEA), MATLAB, COMSOL Multiphysics
4d
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Computational Polymer Scientist
Dayton, Ohio, United States
OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Developer of unmanned aircraft systems and defense technologies.
PhD in a related scientific or engineering field, polymer physics and network expertise, molecular dynamics simulation experience, Python proficiency, research publications, communication skills, and U.S. citizenship.
Python, CUDA, CuPy, LAMMPS, GROMACS, HOOMD-blue, ESPResSo
1mo
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Principle Engineer - Polymer Materials
Baltimore, Maryland, United States
$130k-$170k/yr OnsiteFull Time
Middle River Aerostructure Systems (MRAS)
Middle River Aerostructure Systems (MRAS): Private aerospace manufacturer producing nacelles and airframe structures for aircraft and engine makers.
8+ YOEPh.D. in Chemistry, 8+ years in polymer synthesis and advanced composites, expertise in thermosets and nanocomposites, characterization tools, R&D leadership, and U.S. Person status or export authorization.
FTIR, NMR, DSC, TGA, DMA, SEM, ARES G2
2w
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Scientist II/Senior Melt Polymer Scientist
Cambridge, Massachusetts, United States
$128k-$198k/yr OnsiteFull Time
Lila Sciences
Lila Sciences: Builds AI and autonomous labs for scientific discovery.
3+ YOEPhD in polymer science, materials science, chemistry, chemical engineering, or related field plus 3+ years postdoctoral or industry experience; expertise in melt polymer formulation, extrusion, rheology, characterization, and mechanical testing.
Python, DSC, GPC/SEC, FTIR, ASTM
2w
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Product Engineer - Polymer Concrete
Acworth, Georgia, United States
$85k-$95k/yr RemoteFull Time
Oldcastle Infrastructure
Oldcastle Infrastructure: -owned North American manufacturer of pipe, precast, stormwater, enclosure, and accessory products for infrastructure.
5+ YOEBachelor’s degree in civil or mechanical engineering, 5+ years of product development experience with manufactured products, strong analytical skills, and proficiency in 3D modeling, document management, and simulation software.
Inventor, Vault, SolidWorks, PDM, Finite Element Analysis (FEA), FMEA, ANSI/SCTE 77
2mo
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Applications Engineer, Polymer Pumps (Kent, OH, US, 44240)
Kent or Eagle Rock or Charlotte
OnsiteFull Time
Dover Corporation
Dover CorporationNYSE: DOV: Diversified global manufacturer and industrial solutions provider.
7+ YOEBachelor's in Mechanical/Chemical/Polymer engineering (or Associate + 7 years experience), project management experience, SolidWorks/CAD and CRM proficiency, MS Office (PowerPoint/Word/Excel), strong communication, willing to travel 25%+.
CAD, SolidWorks, CRM, Microsoft PowerPoint, Microsoft Word, Microsoft Excel
3mo
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Engineer / Scientist 2 or 3 – W93 Polymer Components
Los Alamos, New Mexico, United States
$84-$87/hr OnsiteFull Time
Coastal International Security, Inc.
Coastal International Security, Inc.: American-owned security-services contractor providing strategic planning, protective operations, and threat assessments to government and commercial clients.
4+ YOEBachelor's degree in a STEM field; 4+ years R&D experience; strong technical and communication skills; ability to obtain Q clearance; onsite in Los Alamos, NM.
GD&T, engineering drawings, requirements engineering, polymer science
2mo
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Dielectric and Polymer Materials Engineer
Covington, Georgia, United States
$100k-$150k/yr OnsiteFull Time
Absolics
Absolics: Private SKC–Applied Materials joint venture manufacturing glass substrates for semiconductor packaging, AI, and high-performance computing.
3+ YOELead evaluation and integration of advanced packaging dielectric and polymeric materials; film deposition/lamination, patterning, cure and reliability characterization; hands-on experience with multiple dielectrics and film characterization methods.
ellipsometry, FTIR, TGA, DSC, profilometry, nanoindentation, HAST, uHAST, TCT, FIB-SEM, TEM, laminography, plasma-enhanced CVD, PVD, CMP
1mo
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Polymer Welding Technical Specialist
Charleston, South Carolina, United States
FieldFull Time
AGRU America
AGRU America: Family-owned American manufacturer of geosynthetics, HDPE pipes, concrete liners, and engineering plastics for infrastructure customers.
Valid U.S. passport, high school diploma or GED required; strong teaching, troubleshooting, documentation, and independent field work skills; proficiency with Microsoft Office; Bachelor's in engineering preferred.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook
1w
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Orion Engineering Internship - Environmental Effects on Polymer Materials
Houston, Texas, United States
OnsiteInternship, Full Time
Johnson Space Center
Johnson Space Center: NASA’s federal human-spaceflight research center leading astronaut training, mission control, and crewed exploration programs.
Student internship for undergraduate juniors through graduate students in materials or mechanical engineering, with polymer materials knowledge and experiment experience preferred.
Orion