Quality Lab Tech
WestRock
- Location
- PR Guaynabo
- Work model
- On-Site
- Level
- Entry
- Posted
- Sep 11, 2026
About this role
Description & Requirements
Smurfit Westrock (NYSE:SW) is the go-to leader and partner of choice in sustainable packaging. We are dedicated to creating efficient and scalable paper and packaging solutions to help solve complex packaging challenges. Guided by our values of safety, loyalty, integrity and respect, we are committed to delivering meaningful value for shareholders, customers, employees and the communities where we operate.
Opportunity
Responsible of performing physical, chemical, and performance testing on raw materials, work-in-progress, and finished products to ensure compliance with quality specifications, safety standards, customer requirements, and internal company procedures. This role maintains accurate records, identifies quality deviations, and contributes to continuous improvement initiatives throughout the plant. How will you impact Smurfit Westrock: Perform laboratory testing on linerboard, medium, adhesives, corrugated board, and finished products. Verify compliance with established specifications for strength, moisture content, basis weight, caliper, and other quality characteristics. Conduct quality tests using specialized equipment, including: Edge Crush Test (ECT), Box Compression Test (BCT), Burst Test, Cobb Test, Moisture Content Testing, Basis Weight and Caliper Measurements, Printing quality, among others. Inspect incoming materials and report any nonconformities. Collect representative samples of materials and products according to established procedures. Record and document test results using both manual and electronic systems. Analyze quality trends and communicate findings to supervisors, process engineers and production personnel. Investigate quality deviations and support corrective and preventive actions. Ensure laboratory equipment is maintained, calibrated, and functioning properly. Maintain a clean, organized, and safe laboratory environment. Support internal, external, and customer audits. Actively participate in continuous improvement, waste reduction, and process optimization initiatives. Responsible for coordinating meetings, preparing the agenda, keep track of action items and participating in each meeting. Maintain Smurfit Westrock's hierarchy of priorities for safety, quality, cost, and productivity. Adhere to all company policies and procedures while upholding Smurfit Westrock's values of integrity, respect, loyalty, and safety. Perform additional duties as may be assigned by management. Maintain a proactive, customer-centric approach to productivity. What you need to succeed: Minimum high school diploma, associate’s degree in quality technology or related field preferred. 1-3 years of quality laboratory experience in a manufacturing environment is preferred. Experience in the paper, packaging, or corrugated industry preferred. Experience with ERP systems or quality management software is preferred. Understanding sampling and inspection procedures. Experience in using laboratory testing and measurement equipment is preferred. Basic knowledge of statistical quality control techniques. Bilingual: Spanish and English minimum level B2+ required Proficiency in Microsoft Office applications is required, such as Outlook, Teams, PowerPoint, Word, and Excel. Core competencies: Attention to detail, analytical thinking, problem solving, effective at multi-tasking and managing multiple priorities effective communication, sense of urgency, results orientation, customer-centric approach, commitment to safety, Ability to read and understand work instructions, procedures, or assembly manuals in Spanish and English. Ability to stand for extended periods. Ability to occasionally lift up to 25 pounds. Ability to communicate effectively verbally and in writing in Spanish and English. Ability to apply arithmetic concepts and conversions. Ability to read a tape measure. Ability to work in a manufacturing and industrial environment and ability to move between production and laboratory areas as