Summary
Overview
Work History
Education
Skills
Keyskillsandcertifications
Leadership Experience
Timeline
Generic

Lulu Mwina

Georgetown,Texas

Summary

Dedicated and adaptable professional with a proactive attitude and the ability to learn quickly. Strong work ethic and effective communication skills. Eager to contribute to a dynamic team and support organizational goals.

Overview

7
7
years of professional experience

Work History

Quality and Reliability Engineer (CIP)

Samsung Semiconductor
Austin, Texas
02.2022 - Current
  • SPC Excursion Risk Prevention Projects
  • SPC Grade Matching Project: Led a successful SPC grade matching improvement project, achieving about 33% improvement in compliance metrics by reviewing and updating over 5000 steps to the correct grade as per reference document to meet customer requirements
  • SPC Fixed Control Limits Project: Audited 615 non-compliant steps that were previously set wider than 3 sigma against the specs
  • Collaborated with other teams to tighten control limits to 3 sigma, to avoid interlocks escape creating a strong defense line resulting in a 62% improvement in compliance, increasing from 38% in Q1 to 100% in Q4
  • Standard Operating Procedures (SOPs): Developed and maintained 60% of SOPs in our team, ensuring continuous compliance with internal standards and successful audit outcomes
  • Cross-Functional Collaboration: Drove collaboration between engineering, manufacturing, and quality assurance teams to ensure the on-time delivery of high-quality semiconductor products that consistently met or exceeded customer specifications
  • Customer Audit: Provided support during customer audits by preparing necessary documentation, ensuring compliance with quality standards, and addressing customer inquiries to facilitate smooth audit processes and demonstrate adherence to required specifications
  • Training: Served as lead SPC PCCB trainer for Fab engineering and Quality department

Manufacturing Engineer (Fire Detectors)

Raytheon Corporation – Collins Aerospace
Burnsville, Minnesota
09.2021 - 02.2022
  • Process Optimization and Continuous Improvement: Led capital projects and process improvements, achieving 20% reduction in manufacturing time using Lean Six Sigma, increasing efficiency and cost reduction in fire detectors production
  • Assembly Line Management: Managed fire detector systems assembly line, ensuring all components (sensors, electronics, wiring, etc.) met aerospace industry standards such as AS9100 and FAA regulations
  • Quality and Certification Compliance: Ensured products met rigorous aerospace certification processes and quality standards, including environmental, vibration, and high temperature/Pressure testing
  • Supplier Performance: Worked closely with suppliers to ensure on-time delivery of materials and components that met quality standards by conducting supplier audits and driving initiatives to improve supplier performance
  • Cross-Functional Collaboration: Collaborated with design, product development, and test engineers to resolve manufacturing issues to enhance the product quality

Manufacturing Engineer - Pressure Transducers

Raytheon Corporation – Collins Aerospace
Burnsville, Minnesota
06.2020 - 09.2021
  • Continuous Improvement: Improved yield by 28%, by optimizing manufacturing processes by reducing costs, and enhanced quality through process optimization
  • Tooling and Equipment Design: Designed and validated tooling, fixtures, and equipment to meet production requirements while ensuring compliance with aerospace standards, including AS9100 and FAA regulations
  • Process Development: Developed and optimized manufacturing processes for pressure transducers, ensuring efficiency, repeatability, and scalability in production
  • New Product Introduction (NPI): Supported new product introductions by developing and refining manufacturing processes for prototypes and initial production runs
  • Equipment Maintenance: Ensured production equipment was maintained according to scheduled PM/BM to minimize downtime and ensure consistent and reliable performance
  • Testing Protocols: Developed and implemented functional testing procedures for pressure transducers, assessing pressure, temperature, and environmental stress test to ensure reliability

MEMS Process Engineer – Pressure sensors (Photolitho & Etch)

Raytheon Corporation – Collins Aerospace
Burnsville, Minnesota
02.2019 - 06.2020
  • Process Improvement: Worked on continuous improvement projects in the Fab (Photo and Etch), leveraging SPC to monitor critical dimensions and film thickness, resulting in reduced costs through lower scrap rates and improved sensor yield
  • Productivity and Output: Increased quarterly productivity by 28% and achieved an annual production output of 18,000 MEMS pressure sensors, ensuring on-time delivery through innovative process enhancements
  • SOP Development and Implementation: Developed and implemented Standard Operating Procedures (SOPs) for the management of change using SAP, enhancing safety, quality, and cost-effectiveness within the production environment
  • Cross-Functional teams: Collaborated with R&D and product development teams to scale up new processes and seamlessly integrate MEMS photolithography and etching techniques into production workflows
  • Process Optimization: Utilized DOE (Design of Experiments) and SPC (Statistical Process Control) to refine photolithography and etching processes, ensuring alignment accuracy, etch selectivity, profile control, and wafer uniformity

Process Engineer - Wet Etch

Intel Corporation
Hillsboro, Oregon
10.2017 - 01.2019
  • Production Capacity and Defect Reduction: Increased weekly production capacity by 45% and reduced wafer defects by 30% through recipe modifications and enhanced tool performance tracking
  • Root Cause Analysis and Corrective Actions: Led root cause analysis of process deviations, implementing corrective actions that resulted in improved wafer defect rates and equipment reliability
  • SPC for Manufacturing Consistency: Utilized SPC to monitor wafer data and correlate defect metrics with product yield, driving improvements in manufacturing consistency and overall process control

Education

Bachelor of Science - Chemical Engineering

Texas A&M University
Kingsville, TX
01.2017

Skills

  • Failure Analysis
  • Root Cause Analysis (RCA)
  • Reliability Testing (HTOL, HAST, etc)
  • Accelerated Life Testing (ALT)
  • Proficient in SAP
  • Microsoft Suite (Excel, PowerPoint, Project)
  • SPC software
  • Fault Tree Analysis
  • Metrology Data Analysis
  • MEMS & IC Fab Cleanroom operations
  • Soldering
  • Welding
  • Photolithography
  • Etch
  • IC Wafer Processing
  • MEMS Sensors
  • Cleanroom Operations
  • Shop Floor Quality
  • Manufacturing experience

Keyskillsandcertifications

Failure Analysis, Root Cause Analysis (RCA), Reliability Testing (HTOL, HAST, etc.), Accelerated Life Testing (ALT), SAP, Microsoft Suite (Excel, PowerPoint, Project), SPC software, Fault Tree Analysis, Metrology Data Analysis, MEMS & IC Fab Cleanroom operations, Soldering, Welding, Photolithography, Etch, IC Wafer Processing, MEMS Sensors, Cleanroom Operations, Shop Floor Quality or Manufacturing experience, Lean Six Sigma Green, Agile Scrum Master, AS9100 Quality Management System, ISO 9001 Quality Management System, SAP Process Management, SPC & DOE Methodologies, Samsung President’s Award, 2022, SPC Noise Reduction Initiatives, Director’s SPC Grade Alignment Project, 2024, 10 given per year for the company

Leadership Experience

  • Retention Chair, Women in Technology Samsung (WITS), 10/24, Present
  • Career Development Lead, Professional Women Council, Collins Aerospace, 06/19, 12/20
  • Community Outreach Lead, Multicultural Employee Resource Group (MERG), 06/19, 12/20

Timeline

Quality and Reliability Engineer (CIP)

Samsung Semiconductor
02.2022 - Current

Manufacturing Engineer (Fire Detectors)

Raytheon Corporation – Collins Aerospace
09.2021 - 02.2022

Manufacturing Engineer - Pressure Transducers

Raytheon Corporation – Collins Aerospace
06.2020 - 09.2021

MEMS Process Engineer – Pressure sensors (Photolitho & Etch)

Raytheon Corporation – Collins Aerospace
02.2019 - 06.2020

Process Engineer - Wet Etch

Intel Corporation
10.2017 - 01.2019

Bachelor of Science - Chemical Engineering

Texas A&M University

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