Weng Qisheng
Singapore
Summary
I'm an active person who loves staying on the move, especially through climbing and badminton. Physical activity keeps me energized and quick on my feet-both in sports and in how I approach new challenges. I pride myself on being able to adapt quickly to new environments and challenges, ensuring I remain effective and efficient in any situation. Beyond staying active, I'm passionate about sustainability and green energy. I make an effort to weave environmentally conscious habits into my day-to-day life and work. I bring a cheerful and positive outlook wherever I go, which helps me create a motivating and supportive space for those around me. I'm committed to leaving a positive impact, not just in what I do professionally but in my everyday interactions as well.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Implant Process Engineer
STMicroelectronics Private
Singapore, Singapore
05.2025 - Current
- Supported ion implantation process engineering in a high-volume semiconductor manufacturing environment, focusing on LINAC and high-energy beam tuning across multiple implanter platforms.
- Performed beam tuning and process optimization for Al⁺ and Al²⁺⁺ implants across low, medium, and high energy regimes, improving beam stability and production readiness.
- Contributed to process development and characterization comparing Aluminium Iodide (AlI₃) and Aluminium Chloride (AlCl₃) ion sources, including source life monitoring and charge-state behavior analysis.
- Executed Design of Experiments (DoE) to study implant outgassing and process variability, identifying key factors such as dose trim, plasma shower, and transmission ratio (TR%).
- Developed Excel-based engineering tools for data collection, analysis, and TR% calculation to support statistical evaluation and process control.
- Supported recipe creation, validation, and verification, ensuring parameter consistency between MES/cloud systems and implanter tools prior to production release.
- Assisted in production line support, including urgent recipe tuning, lot troubleshooting, child-lot processing, and OCR wafer verification to minimize scrap and downtime.
- Participated in root cause analysis and quality frameworks, including 8D problem solving, FMEA, and Internal Change Review Board (iCRB) discussions.
- Collaborated with process owners, equipment engineers, and vendors to support continuous improvement, tool stability, and manufacturing yield.
Teaching Assistant
Bold Elephant
Singapore
10.2020 - 08.2022
- Responsible for teaching and managing classes and curriculum within the center.
- Assisted in planning and preparing lessons aligned with subject schemes of work.
- Marked and monitored students' classwork and homework, providing constructive oral and written feedback.
Cashier/Small Cook
Shihlin Taiwan Street Snacks
Singapore
07.2017 - 04.2020
- Consistently demonstrated friendliness, hard work, and punctuality.
- Delivered quality customer service by answering questions and resolving issues.
- Handled accurate cash operations and transactions.
- Prepared food orders and maintained workplace cleanliness.
Steward/Porter
Handling System Co. Pte Ltd
Singapore
07.2018 - 03.2020
- Ensured the cleanliness of the work environment.
- Communicated and interacted with ship crew members to ensure smooth daily operations and addressed client needs.
Chemical Compounder Intern
SYMRISE ASIA PACIFIC PTE LTD
Singapore, Singapore
03.2019 - 09.2019
- Packed and compounded fragrance related product, ran automation operating machine in the factory to ensure smooth operations.
- Organized and prioritized work to complete assignments in a timely, efficient manner.
- Worked well independently and on a team to solve problems.
- Conducted a comprehensive Final Year Project (FYP) focused on optimizing packaging efficiency by analyzing and implementing enhancements in packing rates. Explored various engineering solutions, including the selection and application of different nozzles, pumps, valve fittings, and container orientations, to streamline the packing process and improve throughput.
Bartender/ Service Crew
Sentosa Golf Club
Singapore
11.2016 - 06.2017
- Learned to prepare various drinks at the bar counter and served drinks and food to customers.
- Maintained a clean work environment.
Cashier/ Small cook
Ichiban Bento (RE&S)
Singapore
11.2015 - 12.2014
- Assisted with light cooking tasks such as barbecuing, frying food, and cooking rice.
- Handling transactions accurately and efficiently.
Cashier
Isetan
Singapore
11.2014 - 12.2014
- Delivered quality customer service by answering questions and resolving issues.
- Handled accurate cash operations and transactions.
- Performed closing of cash register and prepared daily sales reports.
Education
Bachelor with honors - Chemical Engineering
Singapore Institute of Technology
Singapore04-2026
Diploma - Chemical Engineering
Temasek Polytechnic
Singapore04-2020
O level - undefined
Geylang Methodist School Secondary
Singapore01.2017
Skills
- Proficient in advanced Excel functions
- Effective visual communication using PowerPoint
- Data-driven insights
- Basic computer programming using MATLAB and Python
- Optimistic growth mindset
- Quick to adjust to new challenges
Certification
- Google Data Analytics
Timeline
Implant Process Engineer
STMicroelectronics Private
05.2025 - Current
Teaching Assistant
Bold Elephant
10.2020 - 08.2022
Chemical Compounder Intern
SYMRISE ASIA PACIFIC PTE LTD
03.2019 - 09.2019
Steward/Porter
Handling System Co. Pte Ltd
07.2018 - 03.2020
Cashier/Small Cook
Shihlin Taiwan Street Snacks
07.2017 - 04.2020
Bartender/ Service Crew
Sentosa Golf Club
11.2016 - 06.2017
Cashier/ Small cook
Ichiban Bento (RE&S)
11.2015 - 12.2014
Cashier
Isetan
11.2014 - 12.2014
O level - undefined
Geylang Methodist School Secondary
Bachelor with honors - Chemical Engineering
Singapore Institute of Technology
Diploma - Chemical Engineering
Temasek Polytechnic