OpenNash Jobs
Renesas Electronics · Takasaki, Japan

Sr Staff Engineer

Takasaki, JapanFull-timeSenior individual contributorOperations

Listed on Renesas Electronics’s official careers site. Posted October 15, 2026. Check that it is still open and apply there.

Apply on Renesas Electronics’s careers site →

Job description

  • Package Development & NPI Support
  • Support package development activities for new Power MOSFET products including: TOLL / TOLG / TOLT Bottom-side cooled (BSC) Dual-side cooled (DSC) Top-side cooled (TSC) . Advanced lead frame and clip-bond packages
  • Define package requirements and specifications for new product development.
  • Support package qualification and AEC-Q101 compliance activities.
  • Drive package-related activities during NPI and product transition.
  • Thermal & Mechanical Engineering
  • Perform thermal analysis and package characterization.
  • Conduct thermal resistance and thermal impedance measurements.
  • Evaluate package reliability associated with: Power cycling Thermal cycling Solder joint reliability Mechanical stress
  • Support package-level failure analysis and root cause investigation.
  • Package Benchmarking & Technology Survey
  • Benchmark competitor power package technologies.
  • Analyze package construction, materials, and performance.
  • Identify technology trends and recommend future package roadmaps.
  • Conduct package reverse engineering and technical assessments.
  • Simulation & Modeling
  • Develop and maintain thermal simulation models.
  • Support electrical and mechanical package simulations.
  • Correlate simulation results with measurement data.
  • Collaborate with system engineers on thermal optimization and system-level performance evaluation.
  • Product & Customer Support

Support customer inquiries regarding

  • Thermal performance Package selection Reliability considerations
  • Work with Application Engineering teams on customer design support.
  • Develop package-related technical documentation and application notes.
  • Cross-Functional Collaboration
  • Coordinate package activities with: Design Engineering Product Engineering Reliability Engineering Manufacturing Marketing External package suppliers
  • Participate in product definition reviews and technical decision-making.

Qualifications

【MUST】 Thermal characterization and analysis Semiconductor package design fundamentals Reliability testing and qualification. Failure analysis techniques. Statistical data analysis. PCB and thermal design knowledge. 【WANT】 Thermal simulation tools: ANSYS Icepak ANSYS Mechanical FloTHERM Familiarity with: Automotive semiconductor requirements AEC-Q101 APQP/PPAP

More jobs at Renesas Electronics

Sr. Layout Engineer

Takasaki, Japan

Similar jobs at other companies

Senior Staff/Staff Engineer Metrology

Infineon Technologies · Kulim

Staff / Senior Staff Engineer - Digital Design

Infineon Technologies · Singapore

OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations.