Capacity Planner
Operations
Bucheon-si, Gyeonggi-do, South Korea
Posted on Aug 28, 2026
onsemi is seeking a self-driven and motivated professional to join the Front-End Capacity planning team, located in Bucheon, South Korea. As a Capacity Planner, you will have the opportunity to have oversight into the long term/short term capacity forecasting, and modeling, and system constraint solutions. Additionally, this role requires effective communication across global teams, serving as the subject matter expert for production planning/execution and supporting customer needs.
onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.
More details about our company benefits can be found here:
| We are committed to sourcing, attracting, and hiring high-performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work. |
- BS/MS degree in Business, Industrial Engineering, Supply Chain or similar field
- 3-5 years of relevant experience in the semiconductor industry
- Fluency in English for both Written & Verbal communication
- Experience with SQL, Tableau, Power BI, or data analytics tools is a plus.
The successful candidate will have the opportunity to:
- Perform required wafer start/out plan (business plans) to optimize, level factory production plan through skilled constraints management.
- Develop and execute timely die supply plans aligned with Back-end loading plans to ensure uninterrupted production flow and customer delivery commitments.
- Collaborate with Manufacturing, Business Planning and other departments to balance supply against demand, ensuring efficient operations and customer delivery satisfaction.
- Maintain accurate planning assumptions, including cycle time, yield, capacity allocation to the Business Planning group, as well as back-end planning team to ensure accurate system planning.
- Act as the primary communication focal point and provide long-term and short-term forecasts to the factory.
- Conduct in-depth data analysis and provide recommendations to translate business requirements into effective capacity planning strategies.
- Provide guidance and training to team members.
- Track and communicate key organizational initiatives.
- Support timely fulfillment of customer demand through capacity planning aligned with BOQ and Business Plan.
- Manage production schedules and delivery commitments through close collaboration with Manufacturing in response to changing customer requirements.