Sonnicsey Lim

Industrial Engineer with 15+ years of experience supporting high-volume aerospace manufacturing at Boeing. Expertise in production systems optimization, manufacturing operations, production planning, capacity analysis, and continuous improvement within complex assembly environments. Proven ability to improve production stability, optimize product flow, implement lean manufacturing principles, and develop data-driven solutions that enhance operational performance.

Recognized for solving complex manufacturing challenges through structured problem solving, root cause analysis, and cross-functional collaboration across Operations, Engineering, Quality, and Supply Chain.

Senior Industrial Engineer - The Boeing Company

(2008-01 - 2024-01)

737 Final Assembly Schedule Subject Matter Expert - The Boeing Company

(2023-01 - 2024-01)

Served as Schedule Subject Matter Expert supporting high-volume 737 Final Assembly production operations.

• Designed and deployed scheduling, analytics, and simulation tools providing real-time production visibility, scenario analysis, and recovery planning for Operations and executive leadership.
• Automated scheduling and reporting workflows, reducing manual processing time by 90% while improving reporting accuracy and eliminating manual data handling errors.
• Improved production output by 10+ airplanes, contributing more than $500 million in business value through optimized schedule sequencing and production recovery execution.
• Performed structured problem solving and root cause analysis to resolve manufacturing constraints impacting production stability and schedule execution.
• Developed operational dashboards tracking production metrics, workload distribution, manufacturing constraints, and recovery opportunities across multiple production areas.
• Led production readiness analysis while partnering with Operations, Engineering, Quality, and Supply Chain to improve production stability and product flow.

Business Lead / Process Improvement Lead - The Boeing Company

(2019-01 - 2023-01)

Led and mentored a team of seven Industrial Engineers supporting production systems, operational planning, and continuous improvement initiatives.

• Designed analytical tools supporting capacity planning, workload forecasting, manufacturing readiness, and operational reporting.
• Standardized production processes and reporting methods, improving operational visibility, schedule adherence, and decision making.
• Partnered with Manufacturing, Engineering, Supplier Management, and Quality to improve production performance and operational efficiency.
• Facilitated cross-functional teams to resolve manufacturing challenges and implement lean manufacturing improvements across factory operations.
• Provided technical leadership for manufacturing analytics, process improvement initiatives, and production reporting solutions.

Process Improvement Engineer - The Boeing Company

(2008-01 - 2019-01)

• Generated more than $4 million in documented cost savings through lean manufacturing initiatives, process optimization, and continuous improvement projects.
• Led 20+ Root Cause Corrective Action (RCCA) investigations, eliminating recurring production and quality issues while improving manufacturing reliability.
• Conducted workflow analysis, labor studies, factory flow evaluations, and capacity assessments to improve manufacturing efficiency and production throughput.
• Developed production metrics, KPI dashboards, and operational reporting tools supporting continuous improvement and leadership decision making.
• Created standard work, manufacturing processes, and process documentation that improved production consistency and operational performance.
• Collaborated with Manufacturing, Engineering, Tooling, Quality, and Supply Chain organizations to support production readiness, engineering changes, and manufacturing process improvements.

Rental Property Manager - Self-Employed - Portland, OR

(2024-01)

• Manage operations for residential rental properties, including renovation planning, contractor coordination, maintenance scheduling, budgeting, inspections, and financial reporting.
• Plan and execute repair and capital improvement projects while managing schedules, vendors, project costs, and operational priorities.
• Apply analytical, organizational, and problem-solving skills to manage multiple concurrent projects, deadlines, and stakeholder communications.

Bachelor of Science - Chemical Engineering - Oregon State University