R&D Engineer I
Quick Summary
$71,000 - $100,000 annually. The salary range provided serves as a general guideline for potential compensation for this position.
Time Off: W
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.
As a Trex R&D Engineer, you’ll be responsible for the improvement, design and development of new and existing products, formulations, and equipment. As a member of our Research and Development team, you’ll be developing resources and vendors capable of meeting the company’s needs.
Responsibilities
~1 min read- →Put safety first – Always!
- →Lead and foster our “people first” culture.
- →Design, develop, and improve Trex products, processes, and raw materials.
- →Generate project ideas to improve Trex costs, profitability, market share, and product offering.
- →Conduct safe execution of pilot and plant trials and tests.
- →Develop required operating parameters for material and equipment.
- →Understand raw material and product testing techniques, data acquisition, and data analysis.
- →Develop all required product, process, and raw material documentation.
- →Communicate and consult with outside technical resources.
- →Communicate project status across the organization.
- →Promote a safe and environmentally responsible work environment.
- →Ability to travel up to 25%.
Winchester, Virginia, United States
Full-Time/Regular
We are looking for someone with a Bachelor of Science in Mechanical or 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.
- thermoplastic processing, chemical manufacturing, or mechanical maintenance.
- Experience in 6 Sigma a plus.
- Product or process design experience utilizing SolidWorks 3D CAD, demonstrated hands on mechanical aptitude
At Trex, we believe in persevering even when there’s no road map, 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.
Base 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, which is detailed below.
What We Offer
~1 min readWe believe that real effort should be rewarded. We take care of you as part of our Trex family so you can take care of yours. Here are some of the perks beyond the paycheck:
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. We nurture meaningful connections, from local engagement and investment to eco-friendly products and sustainable manufacturing processes.
Everything we do is grounded in our values and guided by our beliefs. We are looking for candidates who embody our core values:
- 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, solving and succeeding.
We welcome new ideas and fresh perspectives, and we encourage you to bring your best to help us shape the future of Trex.
At Trex, you can take pride in craftsmanship. There’s an art and a science to what we do, and we never stop working to refine and improve. That means no matter how long you’ve been with Trex, you have ongoing opportunities to grow your expertise – enhancing your career, your team and our shared efforts. You will help shape our future.
Trex is proud to be an Equal Opportunity Employer. We are committed to creating a diverse and inclusive environment for all employees and do not discriminate on the basis of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. All qualified applicants will receive consideration for employment without regard to these or any other characteristics protected by law.
Trex participates in E-Verify to confirm the employment eligibility of all newly hired employees. E-Verify is a web-based system operated by the Department of Homeland Security (DHS) and the Social Security Administration (SSA) that allows employers to electronically verify the employment eligibility of their employees. For more information, please visit www.dhs.gov/E-Verify.
Location & Eligibility
Listing Details
- Posted
- August 27, 2026
- First seen
- September 26, 2026
- Last seen
- September 26, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 13%
- Scored at
- September 26, 2026
Signal breakdown
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