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: 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)
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
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
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.
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
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.
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.
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.
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
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.
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.
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.
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.
Engineer / Scientist 2 or 3 – W93 Polymer Components
Los Alamos, New Mexico, United States
$84-$87/hrOnsiteFull Time
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.
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.
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
Orion Engineering Internship - Environmental Effects on Polymer Materials
Houston, Texas, United States
OnsiteInternship, Full Time
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.