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Entry Level Plastics Process Engineer

Core Elastomers
Portsmouth, NH Full Time
POSTED ON 10/22/2026
AVAILABLE BEFORE 12/21/2026

Job description: We are a fast-growing family run business specializing in Thermoplastic Elastomers resin compounding looking for a Plastics Process Engineer to join our team. The prospective candidate will be expected to work in production environments wearing many hats throughout the day.


Key responsibilities:

Plastics Engineer

  • Work with suppliers of materials, equipment, and services to execute projects, resolve problems, and improve processes to increase productivity, reduce scrap and excess usage, improve quality, and enhance safety.
  • Select, design, and modify tooling, fixtures and equipment as necessary to improve safety, quality, throughput and productivity.
  • Optimize production processes to deliver cost savings, improve quality, and support new product introduction.
  • Identify and prioritize process improvement opportunities throughout the manufacturing facility; focusing on increasing productivity, reduce scrap and excess usage, improve quality, and enhance safety.
  • Provide technical product support to sales team for customer concerns.
  • Work with Sales and Marketing team to develop and support new products and marketing.


Production / Warehouse

  • Lead cleanout, startup, changeovers, and shutdowns on the production lines as required.
  • Operate production lines where needed for production and sampling requests.
  • Perform on-line product quality inspections, identify quality issues, and troubleshoot as necessary. Report non-conformances and assist management with technical issues.
  • Perform maintenance activities on production lines and supporting equipment within facilities.
  • Operate supporting equipment such as pallet jacks and forklifts when needed.
  • Receive and process warehouse stock products. Pick and wrap orders for shipment.
  • Adhere to safety management standards and identify workplace safety hazards. Wear and utilize personal protective equipment (PPE) as required and comply with procedures, rules, and regulations. Keep a clean and safe working environment and optimize space utilization.
  • Perform inventory audits and maintenance checks regularly making management aware if items are needed.
  • Communicate and cooperate with supervisors and coworkers.
  • bility to lift 55-pound bags.


Basic knowledge of Microsoft Office desired – Excel, Word, PowerPoint, and ability to work with the data to generate periodic reports as needed. Knowledge of general plastic processing required.


Education: Bachelor's degree in Plastics Engineering, Polymer Science, Mechanical Engineering, or Chemical Engineering.

Salary.com Estimation for Entry Level Plastics Process Engineer in Portsmouth, NH
$72,658 to $84,845
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