Summary
Overview
Work History
Education
Skills
Certification
References
Timeline
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Rafael Rojas

Rowland heights,CA

Summary

Dynamic Injection Process Technician with over 15 years experience , excelling in plastic injection molding and process optimization. Proven leadership in enhancing operational efficiency and fostering team collaboration. Skilled in troubleshooting machinery and committed to safety compliance, driving continuous improvements in production quality and workflow.

Overview

17
17
years of professional experience
1
1
Certification

Work History

Injection Process Technician level 2

Rplanet Earth
Vernon, California
07.2021 - 09.2025
  • Proven competency in plastic injection molding, along with hands-on experience with raw materials, mold sets, and excellent troubleshooting skills for injection molding machines and auxiliary equipment.
  • Positive attitude and focused on continuous improvements.
  • Team player who demonstrates the ability to relate to employees at all levels of the organization.
  • Trained and assist machine operators.
  • Make minor repairs to machines and equipment, and notify the proper personnel of necessary major repairs.
  • Performed PMs on injection and auxiliary equipment.
  • Assisted the engineers with tooling and major breakdowns.
  • Completed day-to-day duties accurately and efficiently.
  • Troubleshoot and set up the process on Intravis visual inspection systems.
  • Set up changeover parts for the intravis visual system after mold changes on the product.

Injection molding process lead

Rplanet Earth
Vernon, California
09.2020 - 07.2021
  • Led process improvement initiatives to enhance operational efficiency.
  • Oversaw team workflows and ensured adherence to safety protocols.
  • Trained new employees on best practices and company standards.
  • I worked with vendors to resolve open issues.
  • Participated in external audits and ensured that process area complied with audit requirements.
  • Implemented programs to address production, materials or safety problems.
  • Implemented Lean Manufacturing principles to minimize waste and maximize productivity.

Injection Molding Machine Operator

Rplanet Earth
Vernon, California
09.2018 - 07.2021
  • Monitored machine performance and adjusted settings for optimal operation.
  • Replace worn components on injection molds as needed.
  • Document production data including cycle time, reject rate, scrap rate.
  • Inspect finished products for defects, such as gate peel, long gates, short shots, and other irregularities.
  • Checked casting equipment at beginning of shift to verify proper machine functionality and resolve identified malfunctions.
  • Maintained high levels of quality standards by closely monitoring progress and effectively streamlining procedures.

Production Group Leader technician

Berry Global
Anaheim, California
05.2016 - 09.2018
  • Supervised daily production activities to ensure efficient workflow.
  • Managed inventory levels and material requisitions for production needs.
  • Assisted in implementing process improvements for operational efficiency.
  • Performed mold PMs on a daily basis.
  • Set up, adjusted and maintained machines to operate at peak levels and meet challenging demands.
  • Assisted with mold setup on mold changes, and color/material changes.
  • Replaced defective components or parts as needed.

Production Machine Operator

Amcor Rigid Plastics
Commerce, California
07.2008 - 10.2015
  • Operated various production machinery to enhance workflow efficiency and output quality.
  • Oversaw advanced palletizing machinery for optimal performance and reduced downtime.
  • Conducted thorough quality control inspections to uphold product standards and compliance.
  • Maintained accurate records of production metrics and equipment performance.
  • Monitored production processes, ensuring adherence to quality assurance protocols.
  • Operated auxiliary equipment, including grinders, conveyors, hoppers, and mixers.
  • Inspected finished products rigorously to guarantee quality requirements were met.

Forklift Operator

Amcor Rigid Plastics
Commerce, California
07.2008 - 10.2015
  • Operated forklifts to transport materials between warehouse and shipping areas.
  • Loaded and unloaded goods from trucks using pallet jacks and forklifts.
  • Maintained accurate records of inventory movements and equipment usage logs.
  • Performed daily maintenance checks on forklifts to ensure optimal performance.
  • Utilized RF scanner technology while moving stock within facility in order to maintain accurate inventory levels.

Education

High School Diploma -

El Monte-Rosemead School
El Monte, CA

Skills

  • Safety compliance
  • Plastic injection molding
  • Process optimization
  • Machinery troubleshooting
  • Team collaboration
  • Adaptability and flexibility
  • Microsoft Word proficiency
  • Leadership skills
  • Decision-making ability
  • Interpersonal skills
  • Verbal and written communication
  • Attendance and punctuality
  • Reliability and responsibility
  • Flexible scheduling
  • Computer literacy
  • Correction Action Planning

Certification

  • Certified forklift operator sitdown & stand up
  • Certified Husky injection molding operator
  • Certified Maintenance Husky Injection Molding
  • Certified Crane Bridge Cranes
  • Certified First aid CPR

References

References available upon request.

Timeline

Injection Process Technician level 2

Rplanet Earth
07.2021 - 09.2025

Injection molding process lead

Rplanet Earth
09.2020 - 07.2021

Injection Molding Machine Operator

Rplanet Earth
09.2018 - 07.2021

Production Group Leader technician

Berry Global
05.2016 - 09.2018

Production Machine Operator

Amcor Rigid Plastics
07.2008 - 10.2015

Forklift Operator

Amcor Rigid Plastics
07.2008 - 10.2015

High School Diploma -

El Monte-Rosemead School

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