Summary
Overview
Work History
Education
Skills
Timeline
Generic

Sofia Rebeca Perez Rojas

Industrial Chemistry
Heredia

Summary

Industrial Chemistry professional with over 8 years of experience in quality control, process management, and continuous improvement. Skilled in method validation, inventory management, workflow optimization, and staff training. With knowledge in Lean Six Sigma and Project Management, with strong analytical skills and a results-oriented approach. Seeking to contribute to manufacturing and quality engineering by ensuring operational efficiency, compliance, and excellence in production.

Overview

15
15
years of professional experience
1
1
Language

Work History

Specialized Technician 6

Organismo De Investigacion Judicial (OIJ)
07.2015 - 05.2024
  • Led process improvement projects applying Lean Six Sigma and 5S methodology.
  • Coordinated and planned analytical activities, ensuring compliance with deadlines and production indicators.
  • Performed method validation and intermediate verification of measurement instruments (balances, micropipettes).
  • Designed and delivered training programs for staff on technical procedures and equipment handling.
  • Drafted and reviewed Standard Operating Procedures (SOPs) to ensure compliance with quality standards.
  • Participated in non-conformity investigations and implemented corrective actions.
  • Managed inventory control and forensic evidence storage systems.
  • Development and implementation of training processes for OIJ Criminal Investigators, both face-to-face and virtual.

Lab Assistant

Reagent Preparation Laboratory (LAPRE), National University of Costa Rica
07.2011 - 12.2015
  • Prepared reagents and solutions for teaching laboratories.
  • Coordinated with academic staff and managed chemical inventory.

Research Assistant

POLIUNA - National University of Costa Rica
02.2013 - 06.2015
  • Supported polymer synthesis and characterization research.
  • Contributed to semi-industrial production of chitin.
  • Assisted in inventory management and research documentation.

Accounting Assistant

Servicios Contables Bargen
03.2009 - 06.2010
  • Handled expense coding, invoice grouping, and cash closures.
  • Supported administrative and financial operations.

Education

Certificate - Preparation For PMP® Certification

Prime Institute
Peru
05.2001 -

Certificate - Power Business Intelligence (Power BI)

Prime Institute
Peru
05.2001 -

Certificate - Introductory Program in Digital Skills

IMMUNE Technology Institute / MICITT / Cooperacion Española
Spain
05.2001 -

Certificate - Excel Business - Basic - Intermediate - Advanced

Prime Institute
Peru
05.2001 -

Certificate - SAP: QM - WM And Business One

Prime Institute
Peru
05.2001 -

Certificate - MS Project - MS Project 2016

Prime Institute
Peru
05.2001 -

Certificate - Project Management

Prime Institute
Peru
05.2001 -

Diploma - Quality in Analytical Chemistry Laboratories

Metroquimica
Argentina
05.2001 -

Certificate - Six Sigma: Define And Measure

Technical University of Munich
Germany
05.2001 -

Certificate - Good Laboratory Practices According To The OECD

MICITT
Heredia
05.2001 -

Certificate - Lean Six Sigma Green Belt

OIJ
Heredia
05.2001 -

Certificate - Excel: Data Management (XLS201x)

Polytechnic University of Valencia
Spain
05.2001 -

Certificate - Project Management Fundamentals (IGP101x)

Polytechnic University of Valencia
Spain
05.2001 -

Bachelor of Science - Industrial Chemistry

National University of Costa Rica
Heredia, Costa Rica
05.2001 -

Skills

  • Continuous Improvement (Lean, Six Sigma, 5S)
  • Quality Control & Method Validation
  • SOPs Development & Documentation
  • Non-Conformity Analysis & Corrective Actions
  • Inventory & Supply Chain Management
  • Staff Training & Team Leadership
  • Microsoft Office & Advanced Excel
  • E-learning Platforms (Moodle)
  • Power BI
  • SAP

Timeline

Specialized Technician 6

Organismo De Investigacion Judicial (OIJ)
07.2015 - 05.2024

Research Assistant

POLIUNA - National University of Costa Rica
02.2013 - 06.2015

Lab Assistant

Reagent Preparation Laboratory (LAPRE), National University of Costa Rica
07.2011 - 12.2015

Accounting Assistant

Servicios Contables Bargen
03.2009 - 06.2010

Certificate - Preparation For PMP® Certification

Prime Institute
05.2001 -

Certificate - Power Business Intelligence (Power BI)

Prime Institute
05.2001 -

Certificate - Introductory Program in Digital Skills

IMMUNE Technology Institute / MICITT / Cooperacion Española
05.2001 -

Certificate - Excel Business - Basic - Intermediate - Advanced

Prime Institute
05.2001 -

Certificate - SAP: QM - WM And Business One

Prime Institute
05.2001 -

Certificate - MS Project - MS Project 2016

Prime Institute
05.2001 -

Certificate - Project Management

Prime Institute
05.2001 -

Diploma - Quality in Analytical Chemistry Laboratories

Metroquimica
05.2001 -

Certificate - Six Sigma: Define And Measure

Technical University of Munich
05.2001 -

Certificate - Good Laboratory Practices According To The OECD

MICITT
05.2001 -

Certificate - Lean Six Sigma Green Belt

OIJ
05.2001 -

Certificate - Excel: Data Management (XLS201x)

Polytechnic University of Valencia
05.2001 -

Certificate - Project Management Fundamentals (IGP101x)

Polytechnic University of Valencia
05.2001 -

Bachelor of Science - Industrial Chemistry

National University of Costa Rica
05.2001 -

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Sofia Rebeca Perez RojasIndustrial Chemistry