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Salary
$83k – $100k per year
Location
In office (Winchester)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 6, 2026. First seen by Alion on Sep 14, 2026. Trex scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Build your dream deck with Trex, the world's best high-performance composite decking brand. Complete your yard with our framing, railing, & lighting.

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 Process Development Engineer you’ll be responsible for the design and development of new and innovative processes as well as step-change improvements to existing processes.

RESPONSIBILITIES

  • Put safety first - Always!
  • Lead and foster our “people first” culture.
  • Develop proof of concept and prototype equipment/processes
  • Develop prototypes into viable manufacturing processes
  • Perform trials in partnership with both internal and external resources in order to support the above objectives
  • Support change management processes and procedures
  • Use technical knowledge to design, troubleshoot, and optimize new and existing processes
  • Use data to drive decisions on process design and optimization
  • Design for safety by keeping employee safety, equipment design, and material hazards at the forefront of process development
  • Work with equipment suppliers and vendors to vet out new and innovative process technologies
  • Investigate new and emerging technologies that can be leveraged to develop innovative processes

JOB LOCATION

Winchester, Virginia, United States

POSITION TYPE

Full-Time/Regular

EXPERIENCE

We are looking for someone with a Bachelor’s of Science in an engineering discipline and 3+ years relevant experience. Project management experience as product and process development experience is preferred.

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.

SALARY

Base Salary Range: $83,000 - $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.

BENEFITS & PERKS

We 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:

  • Time Off: We’ll give you 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’re all about lifting each other to the next level. When you’re ready to get the degree, we’ll pick up part of the tab.
  • 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: When you make the World’s No. 1 Decking Brand, you’ll probably want to enjoy the finished product yourself. We’ll give you a discount.

WHO WE ARE

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:

  • Do the Right Thing
  • Act with Boldness and Authenticity
  • Drive Sustainability
  • Innovate and Adapt

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.

CAREER ADVANCEMENT

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.

EEO

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.

E-VERIFY

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.

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