Sr. Mechanical Engineer, Industrial Facilities Systems

Trex; Winchester (VA); On-site; USD 110,000 - 140,000; Full time

Job summary

Trex in Winchester, VA is seeking a Senior Mechanical Engineer to lead the design, operation, and continuous improvement of complex mechanical utility systems supporting manufacturing. The role focuses on reliability, safety, and energy optimization in facilities such as chillers, boilers, CDA, HVAC, and related equipment.

You will develop P&IDs, equipment specs, and support engineering reviews, while guiding maintenance and operations teams.

Qualifications

• Bachelor’s degree in Mechanical or Chemical Engineering.
• 7+ years in industrial/manufacturing facilities.
• Experience with thermal systems and utility design.
• Experience with ASME/ANSI/NFPA codes.

Responsibilities

• Design, specify, and optimize mechanical utility systems.
• Develop P&IDs and equipment specs.
• Lead design reviews with stakeholders.
• Provide technical support to operations and maintenance.
• Manage small to medium capital projects.
• Analyze system performance for energy optimization.

Skills

Leadership

Mechanical Eng

Project management

Problem solving

Communication

Education

Bachelor's degree in Mechanical or Chemical Eng

Tools

AutoCAD

SolidWorks

Job description

Locations

Showing 1 location Winchester, VA 22602, USA

• On-site
• Engineering
• Full-Time

Description

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