Principal Applications Engineer

Relha LLC; San Jose, Northern (CA, KY); On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life insurance

Disability protection

Sales incentives

Stock options

Job summary

Monolithic Power Systems, Inc. in San Jose, CA is seeking a seasoned Power Electronics Engineer to design high density 800V isolated DC-DC, 48V intermediate bus, and 12V multiphase buck converters. You will collaborate with design, applications, and marketing teams to deliver advanced power solutions.

The role requires hands-on debugging, datasheets, and training customers and field engineers. Strong English communication and cross-functional collaboration are essential.

Qualifications

• MS EE or higher degree required.
• Hands-on experience with switch-mode power conversion, including DC-DC, AC-DC, inverters, or PMIC applications.
• Experience with high-density DC-DC converters, 800V isolated DC-DC, 48V intermediate-bus architectures, or multiphase buck converters for CPU/GPU power delivery.
• Experience with PMICs, power modules, power supplies, or semiconductor applications is strongly preferred.
• Experience at a power-supply manufacturer, power-semiconductor, power-management IC company, or system-power architect company is a plus.
• Ability to develop and communicate reference designs, test results, application guidance, and technical documentation.
• Strong written, presentation, and cross-functional communication skills in English.
• Comfortable collaborating with customers and internal engineering, product, and field teams.
• Self-motivated, hands-on problem solver.

Responsibilities

• Design power modules/ICs for AI, data center applications with design engineers and field teams.
• Oversee end-to-end manufacturing process to ensure successful product delivery.
• Provide application support and technical training for customers and field engineers.
• Develop reference circuits and system-level power management solutions for high-performance computing, networking, server and cloud markets.

Skills

Switch-mode power conversion

Power electronics design

DC-DC/AC-DC conversion

PMICs / power modules

Data center/server power

English communication

Education

MSEE or higher

Job description

Monolithic Power Systems, Inc. (MPS) is one of the fastest growing companies in the Semiconductor industry. We are worldwide technical leaders in Integrated Power Semiconductors and Systems Power delivery architectures. At MPS, we cultivate creativity, are passionate about sustainability, and are committed to providing leading-edge products and innovation to our customers. Our portfolio of technology helps power our world ---come join our team and see how YOU can make a difference.

Job Description:

Job Summary

This position may be filled at different levels, depending on the candidate's experience, skills, and qualifications. Responsibilities include designing high density 800V Isolated DCDC, 48V Intermediate bus, and 12V Multiphase Buck converters. The role also requires IC & system level circuit debugging, writing datasheets and application/design notes, and providing application support and technical training.

Essential Functions

Work with design engineers, field applications team, and marketing to define and design power modules/ICs for AI, data center applications.

Collaborate with cross-functional teams to oversee the end-to-end manufacturing process and ensure successful product delivery.

Provide application technical support and technical training for key customers and field application engineers.

Develop application reference circuits and system level power management solutions for high performance computing, networking, server and cloud markets.

Qualifications

MSEE or higher required.

Hands-on experience with switch-mode power conversion, including DC-DC, AC-DC, inverters, or power-management IC applications.

Demonstrated design, validation, debug, or optimization experience in one or more of: high-density DC-DC converters, 800V isolated DC-DC, 48V intermediate-bus architectures, or multiphase buck converters for CPU/GPU power delivery.

Experience with PMICs, power modules, power supplies, or semiconductor applications is strongly preferred.

Experience at a power-supply manufacturer, power-semiconductor, power-management IC company, or system-power architect company is a plus.

Ability to develop and communicate reference designs, test results, application guidance, and technical documentation.

Strong written, presentation, and cross-functional communication skills in English.

Comfortable collaborating with customers and internal engineering, product, and field teams.

Self-motivated, hands-on problem solver.

MPS offers a comprehensive benefits package. We provide health care coverage, dental and vision, and life and disability protection. Employees in sales positions may be eligible for our sales incentive bonuses. Employees in certain positions may be eligible for stock compensation. For more information on MPS’ benefits please view our company website at www.monolithicpower.com.

Pay is based on market location and may vary based on factors including experience, skills, education and other job-related reasons. The target hiring range for this position is $140,000 – $200,000 annually.

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Monolithic Power Systems, Inc. (MPS) is an Equal Opportunity Employer and embraces diversity in our employee population. It is the policy of MPS to provide equal opportunity to all qualified applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status or special disabled veteran, marital status, pregnancy, genetic information, or any other legally protected status.