Package Material R&D Engineer (New Grad)

Job Title

Package Material R&D Engineer (New Grad)

Role Summary

Responsible for research, development, and qualification of advanced packaging materials (epoxy die-attach, molding compounds, underfill) to meet thermal, mechanical, electrical, and reliability targets for semiconductor packages.

The role supports materials specification, supplier second-sourcing, technical failure analysis, and qualification plans to ensure product performance and supply-chain resilience.

Experience Level

Entry-level / New graduate. Position expects a PhD in a relevant technical field.

Responsibilities

Primary responsibilities include:

• Lead R&D of next-generation packaging materials, including epoxy die-attach adhesives, molding compounds for fan-out and SiP, and underfill materials.
• Define material specifications, performance targets (thermal, mechanical, electrical, reliability), and qualification plans.
• Develop and qualify second-source suppliers domestically to improve supply-chain resilience, cost, and quality.
• Perform technical analysis of material properties, failure mechanisms, and process compatibility.
• Plan and execute material characterization and reliability test programs; interpret data and drive corrective actions.
• Perform other tasks as assigned by the supervisor.

Requirements

Must-have skills and experience:

• Deep expertise in chemistry, formulation, processing, and failure modes of packaging polymers.
• Strong experience with material characterization techniques such as TGA, DMA, and rheology.
• Experience with reliability testing including MSL, TCT, and HAST.
• Ability to define material specifications and develop qualification plans.
• Skilled in technical analysis of failure mechanisms and process compatibility.
• Fluent in spoken and written English.

Education Requirements

PhD in Materials Science, Chemical Engineering, Polymer Science, Chemistry, or a closely related field.

About the Company

Company: Monolithic Power Systems

Headquarters: San Jose, California, USA

Monolithic Power Systems, Inc. (MPS) is a leading provider of energy-efficient power solutions for various applications, including industrial, telecom, automotive, and consumer sectors. Known for their cutting-edge integrated power semiconductors, MPS emphasizes innovation, sustainability, and creativity, making them one of the fastest-growing companies in the semiconductor industry.