Principal Engineer, RET Design

Job Title

Principal Engineer, RET Design

Role Summary

Member of the Advanced Mask Development team responsible for developing and optimizing RET and OPC solutions to enable high-fidelity wafer patterning for advanced memory technologies. Works with R&D and manufacturing to improve reticle solutions, tapeout methodologies, and yield.

Position may be filled at Principal, MTS, or SMTS level depending on experience and qualifications.

Experience Level

Senior-level. The posting specifies a minimum of 6+ years of relevant experience in RET, OPC, lithography, or mask development.

Responsibilities

Lead technical efforts to improve lithography patterning, mask development, and manufacturing transfer while mentoring team members.

• Develop and implement RET and OPC solutions to improve pattern fidelity, manufacturability, and yield
• Optimize lithography methodologies, simulation workflows, and tapeout processes to improve performance and efficiency
• Analyze patterning issues, identify root causes, and drive corrective actions across R&D and manufacturing
• Lead complex mask development and lithography optimization projects; coordinate cross-functional engineering teams
• Mentor engineers, promote technical best practices, and apply AI-enabled engineering approaches

Requirements

Must-have technical skills and experience (degree details under Education Requirements):

• 6+ years experience in RET, OPC, lithography, or mask development
• Proven experience developing and applying RET and OPC methodologies for semiconductor patterning
• Strong understanding of EUV lithography, optics, diffraction, resist behavior, and advanced patterning techniques
• Experience with lithography simulation tools such as Sentaurus Litho, ProLith, or similar platforms
• Demonstrated ability to solve complex technical problems and collaborate across multidisciplinary teams

Nice-to-have:

• Experience with EDA/OPC tools (Synopsys, Siemens, Cadence, Brion)
• Programming or scripting experience (Python, Perl, TCL, C, C++)
• Semiconductor process development or manufacturing experience
• Experience mentoring engineers and supporting technical growth

Education Requirements

Required: Bachelor’s degree in Electrical Engineering, Materials Science, Physics, Chemical Engineering, or a related technical field (the posting specifies a Bachelor’s plus 6+ years). Preferred: Master’s or PhD in Electrical Engineering, Materials Science, or a related technical field.

About the Company

Company: Micron Technology

Headquarters: Boise, Idaho, USA

Micron Technology is a global leader in memory and storage solutions, dedicated to transforming how the world uses information. The company offers a diverse portfolio of high-performance DRAM, NAND, and NOR memory products under the Micron and Crucial brands. With a commitment to customer focus and technological innovation, Micron drives advancements in artificial intelligence, 5G, and other data-centric applications, empowering users to learn, communicate, and progress.