Summary
Overview
Work History
Education
Skills
Timeline
Generic

Li Si

Summary

Professional with over 20 years’ experience the semiconductor industry. Familiarity with ERP and MES systems Strong analytical and communication skills Knowledge of lean manufacturing Excellent understanding and perception of clients’ needs and able to resolve challenges with good critical thinking skills. Organized, meticulous with a can-do attitude to drive success in achieving business objectives. Able to build strong rapport and relationships with internal and external stakeholders. A collaborative team player who participates and contributes actively.

Overview

13
13
years of professional experience

Work History

NPI Line Associate Engineer

UTAC (UNITED TEST AND ASSEMBLY CENTER LTD) USG1
09.2024 - Current
  • Base on the design file, create new product code for bumping.
  • Monitor the line WIP, Coordinate with MFG, QE, planning and NPI team for the priority lot and make sure there are no Q time expired for all stage. Drive root cause analysis and corrective action for line issues
  • Check and monitor the material inventory to support engineer build.
  • Assisted NPI engineer to create Qual report for new device before product convert to production.

Line Associate Engineer II (USG1)

UTAC (UNITED TEST AND ASSEMBLY CENTER LTD) USG1
05.2019 - 04.2025
  • Base on the NPI build request, release BR (build request from system), trigger lot start follow the engineer build plan.
  • Creat SWR (special build requests) coordinate with NPI engineer and issue with PT (process traveler)
  • Monitor each stage process and prepare engineer material before lot start.
  • Coordinate with manufactory and NPI for any low yield issue and help production hold the issue lot for customer advise.
  • After completed lot, coordinate shipping department, base on the customer request book the shipment use the customer forwarder and complete the engineer build.

Pre-Assembly associate engineer (USG1)

UTAC (UNITED TEST AND ASSEMBLY CENTER LTD) USG1
09.2013 - 05.2019
  • Support engineers to manage and coordinate any assembly change that affects customer process flow, material, and build specifications.
  • Product code set-up, Material set-up in Product code
  • Maintaining various applications related to product code set-up.
  • CAF (Customer Approved Flow)
  • Assembly Material Matrix Database
  • Marking Reference Database
  • Bumpup Request Database
  • ENPI

UTAC flipchip manufacturing Engineer

UTAC (UNITED TEST AND ASSEMBLY CENTER LTD) USG1
07.2012 - 08.2013
  • Provides production support engineering and Manage production schedule and to meet delivery timelines.
  • Oversee manpower/overtime and consumables planning.
  • Ensure good discipline and housekeeping in the line
  • Support line troubleshooting and yield improvement initiatives
  • Coordinate with cross-functional teams (Engineering, Quality, Planning) for seamless issue resolution
  • Own and update process documentation and work instructions
  • Drive root cause analysis and corrective action for line issues
  • Coordinate with equipment team and process implement ideas and improvement activities to prevent human errors and conduct daily pass-down meeting and escalate issues if any

Education

Diploma - Tourism Culture

China

Skills

  • Leadership
  • Dynamic team player
  • Sense of Responsibility
  • Creative and resourceful
  • Initiative to explore
  • Fast learner

Timeline

NPI Line Associate Engineer

UTAC (UNITED TEST AND ASSEMBLY CENTER LTD) USG1
09.2024 - Current

Line Associate Engineer II (USG1)

UTAC (UNITED TEST AND ASSEMBLY CENTER LTD) USG1
05.2019 - 04.2025

Pre-Assembly associate engineer (USG1)

UTAC (UNITED TEST AND ASSEMBLY CENTER LTD) USG1
09.2013 - 05.2019

UTAC flipchip manufacturing Engineer

UTAC (UNITED TEST AND ASSEMBLY CENTER LTD) USG1
07.2012 - 08.2013

Diploma - Tourism Culture

Li Si