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Design & Development Engineer

Job in Newton Aycliffe, Durham County, DL5, England, UK
Listing for: Quanex
Full Time position
Listed on 2026-04-17
Job specializations:
  • Engineering
    Product Engineer, Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Overview

Role overview: This position has responsibility for the development and design of sealing systems for new and existing seal products for the building sector.

Responsibilities
  • Design solutions for new product development within the given framework of on-site development activities.
  • Provide expert assistance on thermoplastic extrusion, including promoting the technology and performing specific project responsibilities.
  • Lead extrusion trials in support of customers and internal development, create prototypes, analyze test data, and document results in test reports.
  • Foster strong collaboration with cross-functional teams to integrate innovation initiatives and the product development process.
  • Act as project leader on new product development, collaborating with cross-functional teams from concept to production release.
  • Stay up to date with advancements in material technology and industry trends, and incorporate new technologies into the production process as appropriate to meet environmental, mechanical, and sealing performance requirements.
  • Organize project meetings, define deliverables, monitor timelines and resources, and report deviations.
  • Validate new designs, processes, and materials through testing, experimentation, and evaluation.
  • Define product functional analysis (based on standards) to translate customer specifications and internal requirements into clear performance criteria.
  • Produce written reports and present findings to internal teams and customers.
Qualifications
  • Bachelor’s or Master’s degree (or equivalent) in polymer engineering, materials science, or a related field.
  • Strong understanding of polymer science and technology, with a focus on thermoplastic elastomer extrusion processes.
  • Proven experience in the plastics industry and in an engineering discipline.
  • Project management skills with the ability to manage innovative projects and new product development initiatives.
  • Demonstrated spirit of innovation and the ability to support modifications of existing equipment and processes.
  • Flexibility in work assignments to accommodate group and personal goals.
  • Proactive in learning about new and existing technologies.
  • Strong design and prototyping skills, including experience with computer-aided design (CAD) software.
  • Awareness of the environmental impact of design ideas.
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