TOPCon Process Lead - Scale & Yield Expert

T1 Energy; Georgia; On-site; USD 110,000 - 170,000; Full time

Job summary

T1 Energy is seeking a Senior Process Engineer to lead TOPCon unit processes at our Georgia fabrication site. You will own process development, stability, and documentation, and collaborate with equipment, metrology, and quality teams.

You will mentor engineers, drive continuous improvement, and support technology transfer while partnering with R&D on next-generation integration and cross-functional reviews.

Qualifications

• MS or BS in Materials Science, Chemical Engineering, Electrical Engineering, Physics, or a related field.
• 6+ years of process engineering experience in solar cell fabrication, with specific experience in TOPCon technology
• 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 key 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 expertise

Process engineering

Mentoring

Statistical process control

PECVD / LPCVD / ALD

Data-driven problem solving

Cross-functional collaboration

Education

MS or BS in Materials Science, Chemical Engineering, Electrical Engineering, Physics, or related field

Tools

PECVD

LPCVD

Diffusion furnaces

ALD

Job description

T1 Energy is seeking a Senior Process Engineer to lead TOPCon unit processes at our Georgia fabrication site. You will own process development, stability, and documentation, and collaborate with equipment, metrology, and quality teams.

You will mentor engineers, drive continuous improvement, and support technology transfer while partnering with R&D on next-generation integration and cross-functional reviews.