Sr. Level Semiconductor High Voltage Device Engineer - ME

Vensure Employer Solutions • South Portland, ME

82d

About The Position

The Senior Level Semiconductor High Voltage LNDMOS (Laterally Diffused N-type Metal-Oxide-Semiconductor) Device Engineer plays a pivotal role in the design, development, and optimization of high voltage power semiconductor devices. This specialist is responsible for advancing LNDMOS technology to enable reliable, efficient, and high-performance solutions for applications ranging from automotive, industrial, and consumer electronics to renewable energy systems. Bridging the gap between theoretical device physics and practical manufacturing, the LNDMOS Device Engineer ensures the delivery of robust products that meet stringent industry standards. This device engineer will be part of the company worldwide technology development organization and will work with a team of industry experts designing and developing analog semiconductor process technologies for our products for both internal and external production.

Requirements

• Familiarity with automotive, industrial, or renewable energy power electronics applications.
• Proficiency in device and process simulation tools (e.g., Synopsys Sentaurus, Silvaco Atlas).
• Strong understanding of semiconductor physics, high voltage breakdown mechanisms, and reliability phenomena.
• Hands-on experience with wafer fabrication, cleanroom protocols, and device characterization equipment.
• Familiarity with advanced failure analysis tools and methodologies.
• Knowledge of industry standards for device reliability and ruggedness.
• Experience with statistical analysis and data-driven problem solving.
• Strong analytical thinking and attention to detail.
• Excellent verbal and written communication skills for technical presentations and documentation.
• Ability to work independently and as part of cross-functional teams.
• Creative problem-solver with a passion for innovation.
• Results-driven mindset with a commitment to quality and continuous improvement.

Nice To Haves

• Experience with other power devices (IGBT, SiC/GaN MOSFETs) is a plus.
• Publications or patents in power devices or LNDMOS technology.
• Proven track record of leading device development projects from concept to mass production.
• Experience engaging with customers and stakeholders to translate application needs into device requirements.

Responsibilities

• Lead and execute the design of high voltage LNDMOS devices, considering breakdown voltage, on-resistance, charge balance, and ruggedness.
• Utilize CAD and TCAD simulation tools to model electrical, thermal, and reliability characteristics, iterating designs to achieve optimal performance.
• Collaborate closely with process engineers to define and refine process flows for LNDMOS device fabrication.
• Evaluate and select suitable materials, doping profiles, and process steps to achieve desired device specifications, manufacturability, and yield.
• Plan and conduct electrical, thermal, and reliability characterization of fabricated devices.
• Analyze test data to validate models, extract key device parameters, and identify areas for improvement.
• Research and implement new architectures, materials, and device structures to push the boundaries of LNDMOS performance.
• Investigate device failures using advanced diagnostic tools, root-cause analysis, and simulation.
• Recommend corrective actions and support continuous improvement efforts.
• Interface with teams across device design, process engineering, test and characterization, packaging, and product engineering to ensure seamless development and launch of LNDMOS-based products.
• Produce detailed technical documentation, including design specifications, simulation reports, process flows, and characterization results.
• Support product qualification cycles by designing and executing reliability tests and working with quality teams to meet international standards and customer requirements.
• Analyze manufacturing data to identify yield detractors and cost drivers, working with manufacturing teams to implement solutions for device and process improvement.
• Provide guidance and expertise to application engineers, field teams, and customers for integrating LNDMOS devices into end applications.

What This Job Offers

• Career Level: Senior
• Education Level: Master's degree
• Number of Employees: 1,001-5,000 employees