Manager, Process Engineering

The role

This person will lead process engineering at the G2 solar cell fab. They will own TOPCon cell process development, integration, and optimization while leading a team of process engineers.

What you will do

• Own all process engineering activities at the G2 solar cell fab.
• Lead a team of process engineers across key unit processes.
• Drive process stability and continuous improvement across the fab.
• Establish and maintain process baselines, control plans, and process documentation.
• Partner with Equipment, Metrology, and Quality teams.
• Lead process-related root cause analysis for yield excursions and efficiency losses.
• Support technology transfer and process qualification activities.
• Collaborate with R&D and device engineering on next-generation process development.
• Represent process engineering in cross-functional leadership reviews and external technical discussions.

Required qualifications

• PhD or MS in Materials Science, Chemical Engineering, Electrical Engineering, Physics, or a related field.
• 10+ years of process engineering experience in solar cell fabrication.
• Specific and demonstrated expertise in TOPCon technology.
• Deep understanding of TOPCon unit processes including tunnel oxide growth, polysilicon deposition, doping, and contact formation.
• Hands-on experience with PECVD, LPCVD, diffusion furnaces, ALD, and related toolsets.
• Strong background in process integration, yield analysis, and statistical process control.
• Experience managing or leading process engineering teams in a high-volume manufacturing environment.
• Track record of supporting technology transfer from development to high-volume production.

About the company

T1 Energy is an American solar manufacturer building a domestic solar supply chain. They have a 5GW facility in Wilmer, Texas, and a new solar cell fab in Rockdale, Texas.