R&D Engineer
Listed on 2026-06-05
-
Engineering
Manufacturing Engineer -
Manufacturing / Production
Manufacturing Engineer
When you work at Trex, you’re helping to grow and enhance a true original. You join a company that boldly launched an entire industry… and still leads the way.
Responsibilities- Put safety first – Always!
- Lead and foster our “people first” culture.
- Create/ensure/promote a safe and environmentally responsible work environment
- Conduct safe execution of pilot and/or plant trials and testing
- Design, develop, and improve Trex products, processes, and/or raw materials
- Set‑up experimental design, develop required operating parameters for material and equipment based on observed data and best practices
- Understand raw material and/or product testing techniques, data acquisition, and data analysis
- Develop all required product, process, and/or raw material documentation
- Communicate and consult with outside technical resources
- Communicate project status as needed across all departments and levels of the organization as required
- Generate project ideas to improve Trex costs, profitability, market share, and/or product offering
- Participate in additional duties as required by leadership
Job Location:
Winchester, Virginia, United States
Position Type:
Full-Time/Regular
We are looking for someone with a Bachelor of Science in Chemical Engineering and 0 to 5 years of experience in thermoplastic processing, chemical manufacturing, or mechanical maintenance.
Preferred Skills & Experience- Experience in manufacturing or research experience in polymerization processes or product design.
- Experience in thermoplastic processing, chemical manufacturing, or mechanical maintenance.
- Experience in Six Sigma a plus.
At Trex, we believe in persevering even when there’s no roadmap, embracing groundbreaking as a way of life. We encourage multiple perspectives and welcome diverse people who problem‑solve, adapt, and innovate – always with a firm foundation in safety and integrity.
SALARYBase Salary Range: $71,000 - $100,000 annually. The salary range provided serves as a general guideline for potential compensation for this position. It reflects the base salary and does not account for other benefits or additional compensation opportunities that may apply. This role is also eligible for further compensation through an annual/sales bonus, in addition to the base salary.
At Trex, individual base salaries are determined based on various factors, including relevant skills, qualifications, experience, and geographic location. We are committed to maintaining pay equity and consider the internal equity of our existing team members when finalizing compensation offers. In addition to competitive pay, Trex offers a comprehensive benefits package.
Benefits- Time Off:
Paid holidays and paid vacation. - Health, Dental, and Vision Insurance:
Choose from a variety of options. We’ll cover a generous share of the cost. Plus, you can earn lower rates through our wellness program. - 401(k) With Company Match:
Save for your retirement and we’ll match it dollar for dollar. - Tuition Reimbursement:
We’ll pick up part of the tab for a degree. - Training and
Education:
We offer dozens of options to boost your performance – both online and on‑site nearby. - Stock Purchase Program:
Invest in Trex at a discounted price. - Employee Discount Program:
Enjoy the finished product with a discount.
Over 30 years ago, our founders created the world’s first high‑performance, low‑maintenance composite decking and outdoor living products. That entrepreneurial spirit still drives us today as we continue to redefine our industry and lead the way for what’s next in outdoor living. Today, Trex is the world’s #1 brand of sustainability‑made, wood‑alternative decking, and deck railing – all proudly manufactured in the USA.
As a publicly traded company [NYSE: TREX], we take pride in being the largest recycler of plastic film in the country as well as caring for the communities and the planet where we live.
- Innovate with Purpose
- Obsess Over the Customer
- Own the Outcome
- Operate with Excellence and Efficiency
- Win Together
At Trex, you’ll become part of a diverse yet unified team that sustains the trailblazing spirit and strengths that made Trex the industry leader – learning, adapting,…
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).