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Job Title


R&D Engineer IV - Hartsville, SC


Company : InstantServe LLC


Location : Hartsville, SC


Created : 2026-03-04


Job Type : Full Time


Job Description

Job role: R&D Engineer IV Location - Hartsville, SC RELOCATION PACKAGE: Full TRAVEL REQUIRED: Up to 20% of the time MUST-HAVES: • Full-time industrial experience in R&D with a focus on Polymer Science, Coatings, Extrusion & Thermoforming • Understanding of plastic materials, preferably those used in food and beverage packaging, with demonstrated knowledge of SolidWorks being a plus. • Knowledge of forming processes for packaging and industrial applications, such as rigid sheet thermoforming, injection molding, and extrusion. JOB DESCRIPTION: This position is under the direction of the R&D Manager for the Rigid Plastics Packaging division which includes developing, designing, and qualifying new thermoplastic materials and processes for Sonoco Plastics end-use markets. The individual will be instrumental in identifying sustainable packaging solutions for our customers by taking ideas and technical insights through a comprehensive process to drive growth in the marketplace. In addition, this senior-level engineer will drive projects to increase productivity, capacity, and efficiency across our manufacturing plants. What you'll be doing: • Be a subject matter expert in plastic materials and additives • Address internal and external customer needs and packaging opportunities in a manufacturing setting • Provide creative solutions to new and existing packaging problems involving materials and processes in a timely and cost-effective manner • Originate new ideas to support the R&D product innovation and technology strategy • Participate in regular portfolio review meetings to ensure proper balance in portfolio along with consensus on priorities • Manage the technical integration of projects through collaboration with suppliers, internal cross-functional teams, and customers to assure performance criteria are met • Establish an environment which motivates and engages others in the R&D organization to achieve desired results • Foster a positive, safe work environment through open communication and an atmosphere of teamwork • Ensure compliance with company safety policies and procedures to protect all employees We'd love to hear from you if: • Bachelor's degree in Polymer Science, Plastics Engineering, Chemistry; Master's degree preferred • 5+ years of related experience with a strong technical background in plastics, resins, coatings, and laminates including extensive knowledge in material analysis and testing • Processing experience in extrusion, thermoforming, and injection molding, experience in consumer-based food packaging is a plus • Results driven with a high level of personal initiative, energy, and ownership for success • Inquisitive mind, actively staying aware of new and developing technologies inside and outside of the industry • Self-starter with a positive "can do" attitude and able to work independently • Experience leading projects working across different functions in the organization (e.g., commercial, manufacturing, supply management) • Strong technical capability & problem-solving skills • Effective communication skills both written and verbal • Ability to work in a fast-paced, results orientated environment • Highly organized and self-motivated with a hands-on work ethic