Peerapat Suwanphorung

Senior Process Engineer | Process Validation & Quality Engineering

Professional Summary

Engineering professional with 15+ years of experience in process validation, quality assurance, and project management within the hard disk drive manufacturing industry. Experienced in qualifying new manufacturing processes and driving root-cause investigations to resolution, with hands-on exposure to Design of Experiments (DOE) methodology during a prior test engineering tenure. Focused on driving continuous process improvements through data-driven decision-making.

Core Competencies

Work Experience

Staff Engineer

Western Digital (Thailand) Ltd. · Bang Pa-In, Ayutthaya

Build Support & Workflow Optimization

Nov 2025 – Feb 2026
  • Led end-to-end planning and execution of 62 concurrent engineering projects, coordinating cross-functional teams to deliver project milestones on schedule.
  • Developed integrated project schedules, monitored KPIs, managed risks, and resolved bottlenecks, reducing critical project cycle time by 10%.
  • Collaborated with engineering, operations, quality, and equipment teams to align priorities, optimize resource allocation, and ensure successful project delivery.
  • Prepared executive project status reports, risk registers, and mitigation plans, providing timely updates to senior stakeholders.
  • Facilitated issue resolution and stakeholder alignment across multiple departments to maintain project timelines and business objectives.

Process Development & Characterization

Jan 2024 – Nov 2025
  • Managed cross-functional development projects from planning through implementation, coordinating technical teams, project schedules, deliverables, and stakeholder communications.
  • Gathered business and engineering requirements, translating operational needs into project plans and technical solutions.
  • Managed a US$12K monthly operational budget, improving forecasting, procurement planning, and inventory management to support uninterrupted project execution.
  • Delivered data-driven presentations and recommendations to senior management, enabling informed business and technical decisions.
  • Coordinated weekly project governance meetings, tracked deliverables, managed risks, and ensured alignment among cross-functional stakeholders.
  • Led continuous improvement initiatives through root cause analysis and process optimization, improving operational performance and project outcomes.
  • Mentored engineers, developed standard operating procedures, and improved knowledge transfer across project teams.

Process Validation

Jan 2022 – Dec 2023
  • Managed validation projects for new manufacturing processes from planning through deployment, ensuring compliance with quality, operational, and business requirements.
  • Coordinated project timelines, testing activities, resource planning, and stakeholder communications across multiple functional teams.
  • Successfully delivered 10+ engineering implementation projects on schedule through proactive risk management and cross-functional collaboration.
  • Improved manufacturing performance by validating new process configurations and implementing data-driven process improvements.
  • Partnered with engineering, operations, and quality teams to resolve implementation issues and ensure smooth project execution.

Senior Engineer / Supervisor

Western Digital (Thailand) Ltd. · Bang Pa-In, Ayutthaya

Operations & Compliance

May 2019 – Dec 2021
  • Led day-to-day operations across two critical manufacturing facilities, managing workforce planning, operational performance, and compliance.
  • Supervised a team of 20+ personnel, coordinating priorities, workload distribution, and continuous improvement initiatives.
  • Managed two large-scale operational shutdown and restart projects, delivering all milestones on schedule with zero operational disruption.
  • Collaborated with cross-functional stakeholders to resolve operational issues, improve process stability, and enhance production performance.
  • Monitored post-implementation performance of new production lines, coordinating issue resolution and continuous improvement activities.

Test Engineering

Jun 2013 – Apr 2019
  • Managed testing and validation activities supporting new product introductions and engineering change initiatives.
  • Designed test strategies incorporating Design of Experiments (DOE) methodology, monitored project progress, and ensured compliance with quality and reliability requirements.
  • Improved reporting processes and engineering dashboards, enabling faster decision-making and enhanced project visibility.
  • Coordinated with engineering, operations, and equipment teams to ensure successful implementation and system readiness.

Reliability & Quality Analysis

Oct 2010 – May 2013
  • Led root cause investigations for complex product issues, coordinating cross-functional teams to identify corrective actions.
  • Implemented process improvements that enhanced product reliability and operational performance.
  • Collaborated with R&D and manufacturing teams to deliver sustainable technical solutions supporting business objectives.

Earlier Career

Education