Process Engineer

Westlake Royal Building Products (Westlake Royal), a Westlake company (NYSE: WLK), is a leading manufacturer of exterior and interior building products across North America. This role supports our DaVinci® Roofscapes brand—an industry leader in composite slate and shake roofing tiles that capture the authentic look of natural slate and cedar while delivering long-lasting performance (including Class A fire and Class 4 impact resistance) and are proudly made in the USA.

• Benefits Effective Day 1
• Med, Den, Vision, 401k (4% match), Annual Retirement Contribution (3%), Life & AD&D
• Paid Vacation
• Tuition Assistance Program
• Fitness Reimbursement Program
• Opportunity for Advancement

Westlake Roofing and Stone is seeking a hands-on Process Engineer to develop, configure, and optimize our industrial manufacturing processes from inception through start-up. In this role, you will bridge engineering and plant operations—analyzing production data, troubleshooting equipment, and leading process improvement projects. You will ensure our manufacturing systems consistently deliver high-quality products that meet both strict internal specifications and evolving customer requirements.

• Safety Leadership:
  Place the utmost importance on working safely. Maintain a safe and orderly work environment for self and others at all times in strict compliance with Westlake Safety Policies and Procedures.
• Process & Product Specification (Core Focus):
  Establish, define, and document the precise product and process specifications required to manufacture Westlake Roofing products. Determine how our manufacturing equipment must be configured and run to successfully meet these standards and fulfill customer requirements. Develop, maintain, and optimize Bills of Materials (BOMs) within SAP for new and existing products, ensuring alignment between material structures, process specifications, and production capabilities.
• Project Management:
  Define project scope, timelines, deliverables, and budgets in collaboration with Project Managers and Engineering. Ensure the integrity of project execution from inception to start-up.
• Data, Testing, & Certification:
  Assess industrial processes by taking measurements, interpreting data, and assisting with official process certifications. Provide analytical support to the National Lab for reporting on technical product and process issues.
• Plant Technical Support:
  Provide engineering leadership and support to the plants by developing technical modifications to existing equipment and workflows. Compile and deliver clear training materials to plant teams regarding newly established process standards. Analyze raw material consumption and troubleshoot variances through SAP and production data, performing root cause analysis to link material performance with process conditions and equipment capability. Use these insights to validate process performance and identify opportunities for process and machinery improvements that enhance product quality and cost effectiveness.

• Specification & Standard Development:
  Deep understanding of how to translate product design requirements into actionable manufacturing specifications, process recipes, and equipment operating windows.
• Equipment Capability Analysis:
  Strong ability to observe, identify, deduce, and troubleshoot mechanical and process issues. Skilled at assessing machine capabilities to determine if existing equipment can hit required tolerances.
• Data Interpretation & Industrial Math:
  Advanced analytical and mathematical skills to interpret raw production data, run trials, and analyze process measurements to establish baselines.
• Proje…