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Salary
≈ $31k – $61k per year (Estimated)
Location
In office (Bucheon)
Seniority
Intern
Employment
Internship

Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Oct 12, 2026. onsemi scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Onsemi is an American semiconductor company that was spun out of Motorola in 1999 and has since narrowed itself from a broad commodity chip supplier into a focused power and sensing business. Its silicon carbide and silicon power devices go into electric vehicle traction inverters, chargers and industrial drives, while its image sensors are used in automotive cameras and industrial vision, and it has deliberately exited lower-margin product lines to concentrate on these markets. Headquartered in Scottsdale, Arizona and listed on Nasdaq, it owns its own silicon carbide substrate manufacturing to secure supply.

The Manufacturing Engineer is responsible for supporting and improving semiconductor manufacturing processes to achieve high levels of quality, productivity, yield, and cost efficiency. This role works closely with Production, Process Engineering, Quality, and Equipment teams to ensure stable operations and continuous improvement.

  • Monitor and optimize manufacturing processes to improve yield, productivity, and cycle time.
  • Investigate manufacturing issues, perform root cause analysis, and implement corrective actions.
  • Analyze process and production data to identify improvement opportunities.
  • Support new product introduction (NPI) and production ramp activities.
  • Collaborate with cross-functional teams including Process, Quality, Equipment, and Operations.
  • Develop and maintain manufacturing procedures, work instructions, and process documentation.
  • Drive continuous improvement projects focused on quality, efficiency, and cost reduction.
  • Ensure compliance with safety, quality, and environmental standards.
  • Bachelor's degree in Engineering, Semiconductor Engineering, Materials Science, Chemical Engineering, or a related field.
  • Strong analytical and problem-solving skills.
  • Experience with data analysis and statistical tools (e.g., Excel, JMP, Minitab) is preferred.
  • Ability to work effectively in a cross-functional team environment.
  • Good communication skills in Korean and English are preferred.
Preferred Qualifications
  • Experience in wafer fabrication, assembly, or semiconductor manufacturing operations.
  • Knowledge of SPC, DOE, Six Sigma, or Lean Manufacturing methodologies.
  • Experience supporting high-volume manufacturing environments.
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