Device Characterization Engineer

onsemi; Hopewell Junction (NY); On-site; USD 88,700 - 142,000; Full time

Job summary

onsemi is seeking a Semiconductor Device Characterization Engineer in Hopewell Junction, NY to support high-volume manufacturing and new technology development. You will apply device physics, statistical analysis, and electrical characterization to evaluate performance, disposition holds, and drive timely decisions for product quality and continuity.

The role involves collaboration with multiple teams, development of characterization plans, and involvement in process qualification, tech

Qualifications

• B.S. or M.S. in Electrical Engineering, Semiconductor Engineering, Physics, or related field.
• Minimum 2+ years in semiconductor device engineering, characterization, or related roles.
• Strong understanding of power semiconductor device physics and operation.
• Experience analyzing manufacturing and characterization datasets.
• Ability to evaluate excursions via FMEA and disposition decisions.
• Understanding of semiconductor fabrication processes and electrical performance.
• Experience with electrical characterization equipment and parametric measurements.
• Knowledge of statistical analysis tools and methodologies.
• Excellent problem-solving and communication skills.
• Strong written and verbal communication abilities.

Responsibilities

• Conduct electrical characterization for trench MOSFET, IGBT, and related technologies.
• Analyze parametric, probe, final test, reliability, and failure data to identify trends.
• Provide disposition recommendations for lot holds, deviations, and outliers.
• Serve as engineering resource for rapid investigation of production issues.
• Assess impact of process changes on device performance and reliability.
• Develop plans to support qualification, tech transfers, and improvements.
• Correlate wafer sort, package test, and reliability data to root causes.
• Collaborate with cross-functional teams to drive corrective actions.
• Perform statistical analysis on large datasets to identify yield detractors.
• Monitor key device parameters and communicate findings to management.
• Support reliability investigations and customer quality issues as needed.
• Drive automated data analysis and characterization methodologies.

Skills

Power device physics

Electrical characterization

Statistical analysis

Root-cause analysis

Problem solving

Communication skills

Data analysis

Education

Bachelor’s or Master’s in Electrical Engineering, Semiconductor Engineering, Physics

Tools

TCAD simulation

JMP

Python

MATLAB

Job description

Job Description

onsemi is seeking a highly motivated Semiconductor Device Characterization Engineer at Hopewell Junctions, New York. to support high-volume manufacturing and new technology development activities. Expertise in trench MOSFET and/or IGBT is desired. This role serves as a critical technical resource for electrical characterization, data analysis, process evaluation, and manufacturing decision support during non-standard operating hours, providing rapid response to production and quality issues.

The successful candidate will leverage device physics knowledge, statistical analysis, and electrical characterization expertise to evaluate product performance, disposition manufacturing holds, assess process changes, and drive timely technical decisions that maintain product quality and manufacturing continuity.

Responsibilities

• Electrical characterization activities for trench MOSFET, IGBT, and related power semiconductor technologies.
• Analyze parametric, probe, final test, reliability, and failure analysis data to identify trends, excursions, and process-induced performance shifts.
• Provide technical assessment and disposition recommendations for manufacturing lot holds, process deviations, and electrical outliers.
• Serve as the primary engineering resource for rapid investigation of production issues requiring immediate technical evaluation.
• Evaluate the impact of process changes, equipment modifications, material changes, and process excursions on device performance and reliability.
• Develop and execute characterization plans to support process qualification, technology transfers, and continuous improvement initiatives.
• Correlate wafer sort, package test, reliability, and device characterization data to determine root causes of electrical performance variations.
• Collaborate with process integration, device engineering, yield engineering, quality, reliability, test engineering, and manufacturing teams to resolve issues and drive corrective actions.
• Perform statistical analysis using large datasets to identify yield detractors and opportunities for process optimization.
• Actively monitor and react to key device parameters
• Generate concise technical reports and communicate findings, risks, and recommendations to management and cross-functional teams.
• Support reliability investigations and customer-facing quality issues when device characterization expertise is required.
• Drive implementation of automated data analysis and characterization methodologies to improve engineering response times.

Qualifications

Required Qualifications

• B.S. or M.S. in Electrical Engineering, Semiconductor Engineering, Physics, Materials Science, or a related technical discipline.
• Minimum 2+ years of experience in semiconductor device engineering, characterization engineering, product engineering, or a related role.
• Strong understanding of power semiconductor device physics and operation
• Experience analyzing manufacturing and characterization datasets for device performance assessment and process monitoring.
• Demonstrated experience evaluating manufacturing excursions through FMEA and making technically sound disposition decisions.
• Strong understanding of semiconductor fabrication processes and their impact on device electrical performance.
• Experience with electrical characterization equipment and semiconductor parametric measurement techniques.
• Knowledge of statistical analysis tools and methodologies.
• Excellent problem-solving, root-cause analysis, and decision-making skills.
• Strong written and verbal communication skills.

Preferred Qualifications

• M.S. or Ph.D. in Electrical Engineering, Physics, or a related field.
• Experience supporting high-volume semiconductor manufacturing operations.
• Familiarity with reliability qualification standards and methodologies.
• Experience with wafer acceptance testing, process control monitoring, and electrical yield analysis.
• Working knowledge of TCAD simulation or device modeling tools.
• Experience using JMP, Minitab, Python, MATLAB, SQL, Spotfire, or similar data analytics platforms.
• Knowledge of automotive, industrial, or high-reliability power semiconductor products.
• Experience with 300 mm power semiconductor manufacturing environments.

Salary

onsemi is excited to share the base salary range for this position is $88,700 to $142,000 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 the internal equity of our current team members. We also offer a competitive benefits package. https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf

About Us

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: https://www.onsemi.com/careers/career-benefits

About The Team

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.

onsemi is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, ethnicity, color, religion, ancestry, national origin, age, marital status, pregnancy, sex, sexual orientation, physical or mental disability, medical condition, genetic information, military or veteran status, gender identity, gender expression, or any other protected category under applicable federal, state, or local laws.

If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact [e-mail] for assistance.