60 Trex Process Engineer Jobs Hiring Near You

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.

We are seeking an experienced Senior Mechanical Engineer to lead the design, operation, and continuous improvement of complex industrial facility systems supporting manufacturing and process operations. This role is responsible for ensuring reliable, efficient, and safe performance of mechanical utility systems including chilled water, compressed dry air (CDA), vacuum, steam generation, hot oil, exhaust, air abatement, wastewater processing, HVAC, and material conveyance systems. The ideal candidate will combine strong technical expertise with practical problem-solving skills and hands-on experience in industrial environments.

RESPONSIBILITIES

• Put safety first – Always!
• Lead and foster our “people first” culture.
• System Engineering & Design
  • Design, specify, and optimize mechanical utility systems (e.g., chillers, boilers, air compressors, vacuum systems, hot oil loops, HVAC).
  • Develop and maintain P&IDs, equipment specifications, and system documentation.
  • Lead design reviews and coordinate with internal stakeholders and external engineering firms.
• Operations & Maintenance Support
  • Provide technical support to operations and maintenance teams to ensure reliable system performance.
  • Develop preventive and predictive maintenance plans for critical equipment.
  • Lead troubleshooting and root cause analysis of mechanical and process system issues.
• Project Management
  • Manage small to medium capital projects from concept through commissioning.
  • Prepare scope of work, cost estimates, and schedules.
  • Oversee vendor selection, equipment procurement, and installation activities.
• Process & Energy Optimization
  • Analyze system performance and implement improvements to reduce energy consumption and operating costs.
  • Support sustainability initiatives and compliance with environmental standards.
• Safety & Compliance
  • Ensure all systems comply with local and federal codes, standards, and safety regulations.
  • Participate in hazard analysis (PHA, HAZOP) and ensure safe design and operation of mechanical systems.
• Perform other related duties as assigned.

JOB LOCATION

Winchester, Virginia, United States

POSITION TYPE

Full-Time/Regular

EXPERIENCE

We are looking for leaders with a Bachelor’s degree in Mechanical Engineering or Chemical Engineering and a minimum 7 years of relevant experience in industrial or manufacturing facilities, preferably in plastic composite extrusion manufacturing, chemical processing, pharmaceuticals, or advanced manufacturing environments..

• Required Skills & Experience
  • Strong knowledge of thermal systems, fluid mechanics, and heat transfer principles.
  • Proficient in design and operation of utility systems (chillers, boilers, CDA, vacuum, HVAC, etc.).
  • Familiar with ASME, ANSI, NFPA, and other relevant industry codes and standards.
  • Experience with AutoCAD, SolidWorks, or similar design software;
  • Strong analytical and problem-solving ability.
  • Excellent communication and collaboration skills.
  • Proven ability to manage multiple projects and priorities.
  • Proven ability to complete projects according to outlined scope, budget, and timeline
  • Experience presenting to stakeholders and / or Senior Leadership
  • Able to define and establish new, efficient processes with appropriate controls
  • Strong decision making/problem solving skills; can identify issues, recommend, and implement solutions
• Preferred Skills & Experience
  • Familiarity with CMMS and SCADA systems is a plus.

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: $130,000 – $150,000 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 considering 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:

• Innovate with Purpose
• Obsess over the Customer
• Own the Outcome
• Operate with Excellence
• 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.

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.

EOE

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.