Janina R.
Mid-Level Manufacturing Process Engineer
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Janina R. is a seasoned Process Engineer with over five years of hands-on experience in manufacturing, specializing in process and yield improvement, DOE, process validation, and SPC across high-volume production settings. She has demonstrated expertise at MinebeaMitsumi, Inc. in Cebu, where she managed yield and material validations and spearheaded process validations and Kaizen projects to enhance yield, reduce costs, and minimize waste. Janina applied her proficiency in root cause analysis and troubleshooting to resolve production issues effectively. With a strong foundation in AI prompting and data science complemented by her Lean Six Sigma methodology skills, Janina excelled in optimizing equipment performance and quality compliance. Her prior roles included managing research projects and pilot production for personal care products at GJ Holdings, Inc., and leading process improvement projects with Optodev, Inc. She is a certified ISO 9001/14001 Internal Auditor and has completed a Data Science training with Johns Hopkins University, making her adept at using tools like Minitab and R for data-driven decision-making.
Experience
PROCESS (QUALITY) ENGINEER
MinebeaMitsumi, Inc. · 2022 — 2025Oversaw yield and material validations while monitoring KPI’s including yield, defect, and scrap rates across assembly lines. Led process and product validations as well as Kaizen projects in collaboration with Japanese engineers, focusing on yield enhancement, cost reduction, and waste minimization. Developed and implemented SOP’s and process control strategies to ensure quality and safety compliance while optimizing equipment performance. Conducted root cause analysis and troubleshooting through data analysis and problem-solving tools to address quality and production issues. Engaged with cross-functional teams to enhance product quality, operational performance, and customer satisfaction. Analyzed production data, identified trends, and validated process improvements through DOE’s.SR. R&D OFFICER
GJ Holdings, Inc. · 2019 — PresentManaged research projects and pilot production runs for homecare and personal care products. Engaged in the research and development of surfactant-based products, including soap bars, while assisting in toll manufacturing cost analysis. Developed testing protocols to measure cleaning efficiency, enhancing the accuracy and reliability of research outcomes. Supported project timeline management and deliverables, improving team coordination and ensuring successful execution.TECHNICAL SUPERVISOR/PROCESS ENGINEER
Optodev, Inc. (ESSILOR) · 2014 — 2016Supervised the activities of process and machine technicians while overseeing machine and tooling status in hard coat lens manufacturing. Monitored production parameters and yield, analyzing data to troubleshoot quality issues and discover improvement opportunities. Collaborated with global engineers on process and product validations to optimize manufacturing workflows. Analyzed production data to identify trends and implement enhancements, contributing to cost savings. Led cross-functional teams on process improvement projects, enhancing yield and operational efficiency. Conducted root cause analysis on process failures and implemented corrective actions to minimize defects while increasing yield rates. Developed and enacted standard operating procedures (SOPs) to ensure product quality and compliance with industry standards. Participated in internal audits and managed equipment calibration and preventive maintenance.PRODUCTION SUPERVISOR
EERI (RAMCAR) · 2012 — 2014Oversaw daily production operations, ensuring adherence to targets and safety protocols while maintaining work areas. Provided training and mentorship to staff on revised procedures, equipment operation, and safety standards to enhance team performance. Engaged in special projects focused on process improvement and optimization. Coordinated workflow among team members to optimize resource allocation for effective production scheduling. Implemented quality control measures that improved product consistency and reduced waste during production.UNIVERSITY RESEARCH ASSOCIATE 1
University of the Philippines · 2011 — 2012Operated advanced microscopes and prepared samples to support experimental analyses. Conducted literature reviews, maintained research documentation, and participated in technical training and cross-functional research collaboration. Assisted with experimental design and data management, contributing to scientific reporting.RESEARCH ASSISTANT
University of the Philippines · 2009 — 2011Operated and analyzed data generated from materials characterization equipment, including DSC, TGA, SEM, AFM, XRD, and FTIR. Supported activities in synthesis, data analysis, literature review, laboratory operations, and technical documentation.
Skills & Expertise
Education
- Master of Science: Materials Science & EngineeringUniversity of the Philippines – Diliman, Quezon City · 2007 — 2011
- Bachelor of Science: Chemical EngineeringUniversity of the Philippines – Diliman, Quezon City · 2002 — 2007
- High SchoolQuezon City Science High School · 1998 — 2002