[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Westlake Corporation jobs](https://jobs.opennash.com/companies/westlake-corporation/) · [Search jobs](/search/) Westlake Corporation # Process Engineer Lenexa, KS, United States of America Full-time Manufacturing & Production Listed on Westlake Corporation’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there. [Apply on Westlake Corporation’s careers site →](https://www.westlaketalent.com/process-engineer/job/1E5D08910F3367BA25589F46F6C1FD24) [OpenNash Jobs](https://jobs.opennash.com/) / [Westlake Corporation](https://jobs.opennash.com/companies/westlake-corporation/) / Process Engineer ## Job description Process Engineer – Westlake Roofing and Stone 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. COMPETITIVE PAY & BENEFITS 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 ### JOB SUMMARY 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. ### ESSENTIAL FUNCTIONS 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. KNOWLEDGE, SKILLS, AND ### ABILITIES 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. ### Project Management & Execution Proven ability to define project milestones, manage timelines, obtain agreements on scope/costs, and work under minimal supervision to drive a project from inception to start-up. ### Technical Literacy & Software Proficient in reading and interpreting complex engineering blueprints, equipment manuals, and technical procedures. High technical aptitude with Microsoft Office (advanced Excel preferred), MS Project, and SAP. Basic AutoCAD and SolidWorks are a plus. ### Communication & Training Strong written and verbal communication skills to author clear manufacturing standards, document technical procedures, and effectively deliver training material to plant operators and leadership. ### Industry Knowledge (Strongly Preferred) Injection molding process experience, equipment knowledge and mold design exposure, metal stamping and roll forming, concrete manufacturing processes, raw materials, and heavy industrial mixing/forming equipment are highly desirable. ### EDUCATION AND EXPERIENCE Bachelor’s degree in engineering, chemistry, or related field 5 years of experience in manufacturing settings. ### PHYSICAL REQUIREMENTS/WORK ENVIRONMENT Mobility & Travel Ability to travel up to 50%, but typically 25%, to support manufacturing facilities. Ability to safely traverse and move about heavy industrial manufacturing environments. ### Physical Demands Ability to stand or remain stationary for prolonged periods, bend, twist, complete repetitive movements, and safely lift/transport up to 50 pounds. ### Environment Comfortable working around heavy machinery with exposure to elevated noise levels, dust, and industrial chemicals. ### PPE Must be willing and able to wear all required personal protective equipment (hearing, vision, and hard-hat protection) at all times. Westlake offers you the potential to enrich your work life and career experience in an entrepreneurial environment. We work together to enhance people's lives through our products and our presence in the communities where we operate. Westlake is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to any characteristics protected by applicable legislation. We work together to enhance peoples lives through our products and presence in the communities in which we operate. Westlake is an Equal Opportunity Employer. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 7 days - Location: Lenexa, KS, United States of America - Employment type: Full-time[Apply on Westlake Corporation’s careers site →](https://www.westlaketalent.com/process-engineer/job/1E5D08910F3367BA25589F46F6C1FD24) ## More jobs at Westlake Corporation ### [Day Shift Maintenance Tech](https://jobs.opennash.com/companies/westlake-corporation/jobs/97a8bf2e4fe2d58a0bef/) Lenexa, KS, United States of America ### [Health and Safety Specialist](https://jobs.opennash.com/companies/westlake-corporation/jobs/e59bea6753b28933103f/) Lenexa, KS, United States of America ### [Material Handler](https://jobs.opennash.com/companies/westlake-corporation/jobs/06557e721fae340b99da/) Lenexa, KS, United States of America ### [Material Technician](https://jobs.opennash.com/companies/westlake-corporation/jobs/58eeb80858cf8596bc01/) Lenexa, KS, United States of America ### [Mold Set-Up Tech](https://jobs.opennash.com/companies/westlake-corporation/jobs/60ae27a4f094fd703139/) Lenexa, KS, United States of America ## Similar jobs at other companies ### [Senior Process Engineer - Process Liason](https://jobs.opennash.com/companies/bae-systems/jobs/fbd9a3c89c67465d663f/) BAE Systems · Nashua, New Hampshire, United States ### [Manufacturing Engineer I (Process Engineer)](https://jobs.opennash.com/companies/airbus/jobs/3d2f8c5b91725bb44142/) AIRBUS · Mobile Area, AL ### [Process Engineer](https://jobs.opennash.com/companies/cargill/jobs/8b0e2afef06945a07d67/) Cargill · Hammond, Indiana ### [Process Engineer](https://jobs.opennash.com/companies/cargill/jobs/ab2809e0fe88778cf19c/) Cargill · Hersey, Michigan ### [Process Engineer](https://jobs.opennash.com/companies/walmart/jobs/5ac699b96f865510b617/) Walmart · United States OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)