Luis Alfonso Lopez Castillo is seeking a quality engineering position where he can apply his skills in manufacturing processes, problem solving, and continuous improvement. He has over 10 years of experience in quality engineering roles focused on reducing defects, validating new products and equipment, implementing quality tools, and ensuring on-time delivery. His experience spans several industries including medical devices, automotive, and electronics manufacturing.

1. Luis Alfonso Lopez Castillo
Cel. 1 (438) 868 6162 (canada)
Lopez.luis@live.com
Objective
Looking for a Company where I can apply my professional skills and grow up as professional along with the
Company.
Skills
• Resolution and analysis of problems in manufacturing processes and assembly of medical products,
mechanical, automotive and electronic.
• Experience includes production, engineering, equipment maintenance, quality and materials.
Experience
Quality Engineer – 2014 until 2015
Arcosa, Arneses y Conexiones
Responsible for:
• Resolution of problems on production lines, assembly of harness, and crimping area.
• Approve change on production lines.
• Validate new products.
• Certify finish good material.
• Corrective action for customer claims.
• SPC control for crimping machine, CPK’s analysis.
• PPAP, PFMEA, Control Plan, standard inspection, acceptance criteria update, gage R&R study.
• Use of ISO/TS-16949 documentation.
Key accomplishment:
• Reduce 50% defects on Crimping area, implementation of internal traceability system including
reduction on documentation and collection data reduce from 1 day to minutes, certification of
production inspectors, and effective corrective action for customer claims 100%.
Experience
Quality Engineer – 2012 until 2014
Hyundai Translead
Responsible for:
• Resolution of problems on remanufacture of engines and transmissions.
• Approve change on production lines.
• Planning, visual aid, layouts, engineering changes documentation.
• Creation of training and certification department.
• Quality audits on line production.
• Continuous improvement projects implementation.
• Implementation of quality tools as 8D’s, Dmaic, kaizen events.
• Diagnose of test equipment failure in line production.
• Customer returns analysis and root cause.
• Validation of new models.
• Analysis of contamination of water on washer process and oil on test process.
Key accomplishment:
• Update documentation on engines remanufacturing line including visual aids, procedures and work
instructions 100%; improvement changes of 6 assembly methods include design of fixtures;
improvement change of 3 test methods include cycle time.
Production Supervisor and Manufacturing Engineer – 2011 until 2012
Kyocera Mexicana
Responsible for:
• Ensure monthly production plan.
• Ensure on time delivery.
• Validation of new Test Equipments
• ECN, Pareto diagrams.
• Diagnose of equipment failure in line production.
• Preventive and corrective maintenance design forms, daily and monthly as applicable.
• Training for production technicians for maintenance of new equipment.
Key accomplishment:

2. Completed 100% on time deliveries, completed 100% monthly production plan, Validation of new electronic
microscope, validation and creation of new programs for Sonoscan machine.
Manufacturing Engineer Jr– 2010 until 2011
Block Medical de México
Responsible for:
• Validation of new test methods
• Validation of new Test Equipments
• Validation protocols (IQ, OQ y PQ), ECO, gage R&R study, X-Bar graphics to compare process and
equipment, CPK analysis.
• VSM, DMAIC, Ishikawa, Pareto diagrams.
• Diagnose of equipment failure in line production.
• Preventive and corrective maintenance design forms, daily and monthly as applicable.
• Training for production technicians for maintenance of old and new equipment.
Key accomplishment:
• 2 hours queue eliminate project implementation in line production, implementation of new pressure
calculation method, implementation of bladder sorter with scrap reduction by 90%.
Engineering Intern – 2009 until 2010
Nellcor Puritan Bennett (Covidien)
Responsible for:
• Validation protocols (IQ, OQ & PQ), ECO, balancing lines, planning, visual aid, layouts, Cpk
analysis, PFMEA and Control Plan, drawing AutoCAD, Kanban implementation, engineering
changes documentation.
• BOM updates.
Key accomplishment:
• QIP project implementation in line production, layouts and visual aids finished on time, Kanban
implementation on labeling department.
Education
BS Electronic Engineering
PLC and AUTOMATION course
INSTITUTO TECNOLOGICO DE TIJUANA
Green belt course by Samsung Electronics Mexico.
ISO9000, ISO14000 certified internal auditor by Kyocera Mexicana.