Senior Power FET Development Engineer

onsemi; Hopewell Junction (NY); On-site; USD 147,000 - 250,000; Full time

Job summary

onsemi is seeking a Power Device Engineer at our Hopewell Junction, NY site to join the Power Technology Development team and lead development of next-generation discrete power MOSFET technologies. You will drive device architectures, simulations, and validation, collaborating across process, manufacturing, and product teams.

The role emphasizes data-driven problem solving, leading technical projects, and contributing to technology roadmaps in power MOSFET, Super Junction, SiC, and GaN areas.

Qualifications

• BS, MS, or PhD in Electrical Engineering, Physics, Materials Science, or a related field.
• Experience in developing semiconductor devices with emphasis on Power MOSFETs, Trench MOSFETs, and Super Junction devices.
• Strong understanding of semiconductor device physics, reliability, and manufacturing processes.
• Experience moving technologies from development through qualification to volume production.
• Knowledge of wafer fabrication, wafer probe, electrical characterization, and device testing.
• Experience with data-driven problem solving and statistical analysis.
• Ability to independently drive technical projects and influence cross-functional teams.
• Strong written and verbal communication skills.

Responsibilities

• Lead development of next-generation discrete power MOSFET technologies from concept through qualification and production ramp.
• Define device architectures and electrical performance targets focusing on improving RDS(on), switching efficiency, power density, ruggedness.
• Drive device simulation, modeling, characterization, and silicon validation activities.
• Collaborate closely with process integration, manufacturing, product engineering, packaging, reliability, and applications teams to deliver innovative power device solutions.
• Analyze electrical data, yield trends, and reliability results to identify opportunities for performance improvement.
• Mentor engineers, provide technical leadership, and help grow the next generation of power semiconductor innovators.

Skills

Power MOSFETs

Trench MOSFETs

Super Junction devices

Other discrete power technologies

Semiconductor device physics

Device reliability

Semiconductor manufacturing processes

Data-driven problem solving

Education

BS/MS/PhD in Electrical Engineering, Physics, or Materials Science

Tools

TCAD

SPICE

Electro-thermal modeling

Compact modeling

Wafer test / WAT

PCM

Job description

onsemi is seeking a Power Device Engineer (MTS/SMTS Engineer in our Hopewell Junction, NY, site to join our Power Technology Development team and lead the advancement of innovative discrete power MOSFET and FET technologies. This is a highly visible technical role offering the opportunity to influence technology strategy, drive product innovation, and work alongside some of the industry's leading device experts.

Responsibilities

• As a key contributor to our technology development team, you will:
• Lead the development of next-generation discrete power MOSFET technologies from concept through qualification and production ramp.
• Define device architectures and electrical performance targets focused on improving:
• RDS(on)
• Switching efficiency
• Power density
• Ruggedness and reliability
• Drive device simulation, modeling, characterization, and silicon validation activities.
• Collaborate closely with process integration, manufacturing, product engineering, packaging, reliability, and applications teams to deliver innovative power device solutions.
• Analyze electrical data, yield trends, and reliability results to identify opportunities for performance improvement.
• Solve challenging device and process integration issues using data-driven methodologies, including DOE, SPC, FMEA, and Six Sigma techniques.
• Partner with fabrication teams to optimize process windows and ensure robust manufacturability.
• Support technology roadmaps and evaluate emerging device concepts in power MOSFET, Super Junction, SiC, and GaN technologies.
• Contribute to patents, invention disclosures, and technical publications that expand onsemi's technology leadership.
• Mentor engineers, provide technical leadership, and help grow the next generation of power semiconductor innovators.

Qualifications

• BS, MS, or PhD in Electrical Engineering, Physics, Materials Science, or a related technical field.
• Experience developing semiconductor devices, with emphasis on:
• Power MOSFETs
• Trench MOSFETs
• Super Junction devices
• Other discrete power technologies
• Strong understanding of:
• Semiconductor device physics
• Device reliability
• Semiconductor manufacturing processes
• Experience moving new technologies from development through qualification and volume production.
• Knowledge of wafer fabrication, wafer probe, electrical characterization, and device testing.
• Experience with data-driven problem solving and statistical analysis techniques.
• Ability to independently drive technical projects and influence cross-functional teams.
• Strong written and verbal communication skills.

Preferred Skills

• High-voltage and high-current power device development.
• 300mm semiconductor manufacturing environments.
• TCAD, SPICE, electro-thermal, or compact modeling tools.
• Wafer-level test, WAT, PCM, probe, and final test methodologies.
• Packaging technologies for discrete power devices, including:
• DFN
• TO packages
• Copper clip packages
• Power modules
• AEC-Q101 automotive qualification and reliability testing.
• SiC and GaN power semiconductor technologies.
• Statistical analysis tools such as JMP, Python, or MATLAB.
• Patent development and technology innovation experience.

Salary: onsemi is excited to share the base salary range for this position is $147,000 to $250,000 exclusive of fringe benefits or potential bonuses. The final pay rate for the successful candidate will depend on geographic location, skills, education, experience, and/or consideration of internal equity of our current team members. We also offer a competitive benefits package. https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf