Process Quality Control Engineer/ MTS

SILICON BOX; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

SILICON BOX is seeking a Member of Technical Staff/Engineer, QA (Process Quality Control) to develop and deploy inspection procedures ensuring material conformance before release in a fast-paced semiconductor backend environment.

The role leads PQC engineers, covers backend packaging steps (ball drop, bumping, singulation, backgrind, mounting), and drives cross-functional continuous improvement with data-driven decisions.

Qualifications

• Bachelor’s degree in Engineering (Mechanical, Electrical, Materials, Chemical, or related).
• Minimum 5 years of experience in backend semiconductor packaging.
• Strong foundation in process engineering, yield improvement, and quality control.
• Proficient in SPC and data analysis tools.
• Familiarity with FMEA, Control Plans, and OSAT backend processes.
• Hands-on experience with new product and process evaluations.
• Effective communicator; capable of presenting data and driving cross-team collaboration.

Responsibilities

• Lead PQC engineers and inspectors to meet yield and gating goals.
• Manage backend packaging steps: ball drop, bumping, singulation, backgrind, mounting.
• Develop and enhance work instructions, control plans, and FMEA.
• Provide engineering support to meet output, quality, efficiency, yield, cycle time, and safety.
• Perform data analysis and present findings to stakeholders for alignment and action.
• Drive cross-functional meetings to mitigate yield loss and create action roadmaps.
• Implement permanent corrective actions for chronic issues.
• Support new product processes and pilot-to-volume transitions.
• Collaborate with OSAT teams to resolve defects impacting yield and quality.
• Ensure accuracy of control documents and audit readiness.

Skills

SPC

Data analysis

Process engineering

Quality control

Cross-functional collaboration

Education

Bachelor's degree in Engineering

Tools

FMEA

Control Plans

OSAT

Job description

The Member of Technical Staff (MTS)/ Engineer, QA (Process Quality Control) is responsible to develop & deploy inspection procedures to ensure conformance of material to be released. Candidates with experience in semiconductor manufacturing environment are encouraged to apply for this position.

Responsibilities

• Lead PQC engineers and inspectors in performing yield and product gating checks, ensuring alignment with production goals and driving performance improvement.
• Responsible for backend semiconductor packaging processes including ball drop, bumping, singulation, backgrind, and mounting.
• Develop or enhance procedures and work instructions related to backend PQC processes.
• Provide engineering support to meet targets for output, product quality, efficiency, yield, cycle time, and safety.
• Perform data analysis using statistical tools, summarize findings, and present results to relevant stakeholders for alignment, action, and strategic decision-making.
• Drive and facilitate meetings to mitigate yield loss, create action roadmaps, and implement continuous improvement strategies with cross-functional teams.
• Identify chronic process and quality issues and implement permanent corrective actions.
• Responsible for new product process development and supporting smooth pilot-to-high volume transitions.
• Collaborate with OSAT process/integration teams to resolve process-related defects impacting yield and product quality.
• Ensure the relevance and accuracy of Work Instructions, Control Plans, FMEA, and other process control documents.
• Ensure audit readiness for internal and external audits and manage timely closure of findings.
• Any other ad-hoc duties as assigned.

Requirements

• Bachelor’s Degree in Engineering (Mechanical, Electrical, Materials, Chemical, or a related field).
• Minimum 5 years of relevant experience in backend semiconductor packaging processes.
• Strong foundation in process engineering, yield improvement, and quality control.
• Proficient in SPC and data analysis tools.
• Familiarity with FMEA, Control Plans, and OSAT backend processes.
• Hands-on experience with new product and process evaluations.
• Effective communicator; capable of presenting data and driving cross-team collaboration.
• Able to thrive in a fast-paced, high-volume manufacturing environment.