TOPCon Process Lead — Yield, Transfer & Innovation

T1 Energy; Rockdale (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

T1 Energy is seeking a senior process engineer to lead TOPCon unit processes in a new fabrication environment. You will drive stability, mentor engineers, and partner with Equipment, Metrology, and Quality teams to ensure tool readiness and compliance.

You will collaborate with R&D and device engineering on next-generation process development, while establishing baselines and control plans for owned steps.

Qualifications

• MS or BS in Materials Science, Chemical Engineering, Electrical Engineering, Physics, or related field.
• 6+ years of process engineering in solar cell fabrication with TOPCon experience.
• Solid understanding of TOPCon unit processes including tunnel oxide growth, polysilicon deposition, doping, and/or contact formation.
• Hands-on experience with PECVD, LPCVD, diffusion furnaces, ALD, or related toolsets.
• Working knowledge of process integration, yield analysis, and statistical process control.
• Experience mentoring or providing technical guidance to junior engineers.
• Exposure to technology transfer activities from development to high-volume production.

Responsibilities

• Lead process engineering activities for TOPCon unit processes, including tunnel oxide, polysilicon deposition, diffusion, passivation, and/or metallization.
• Provide technical leadership and mentorship to process engineers supporting your assigned process areas
• Drive process stability and continuous improvement, using data to identify and close yield and efficiency gaps
• Establish and maintain process baselines, control plans, and process documentation for owned process steps
• Partner with Equipment, Metrology, and Quality teams to ensure process and tool readiness, control, and compliance
• Lead root cause analysis for yield excursions, efficiency losses, and cell performance deviations within your process area
• Support technology transfer and process qualification activities for new tools, materials, and process flows
• Collaborate with R&D and device engineering on next-generation process development and integration
• Represent your process area in cross-functional technical reviews and discussions

Skills

TOPCon knowledge

Hands-on development

Cross-functional collaboration

Education

MS/BS in related field

Tools

PECVD

LPCVD

Diffusion furnaces

ALD

Job description

T1 Energy is seeking a senior process engineer to lead TOPCon unit processes in a new fabrication environment. You will drive stability, mentor engineers, and partner with Equipment, Metrology, and Quality teams to ensure tool readiness and compliance.

You will collaborate with R&D and device engineering on next-generation process development, while establishing baselines and control plans for owned steps.