First Solar reserves the right to offer you a role most applicable to your experience and skillset. Basic Job Functions: - Serve as a senior technical contributor within First Solar's Perovskite Physics group. - Support development and scaleup of First Solar's nextgeneration perovskite technology through physicsbased mechanism understanding, advanced metrology development, and rootcause analysis. - Operate at the intersection of materials science, device physics, and pilot manufacturing engineering, acting as a technical leader in defining measurement strategies, correlating metrology data to performance and reliability, and resolving complex processstructureproperty relationships. - Responsible for developing and deploying manufacturingrelevant characterization and diagnostics for perovskite pilot line, enabling improved process control, faster learning cycles, and robust yield and performance outcomes. - The position requires strong independent problemsolving capability, deep technical expertise, and close collaboration with crossfunctional process, equipment, and integration teams. Education/Experience: - Bachelor's Degree in an engineering discipline or similar technical discipline and 20 years of relevant technical experience or 2 years of experience as a Development Engineer III at First Solar. - Master's Degree in an engineering discipline or similar technical discipline and 15 years of relevant technical experience or 2 years of experience as a Development Engineer III at First Solar. - Ph.D. in an engineering discipline or similar technical discipline and 10 years of relevant technical experience or 2 years of experience as a Development Engineer III at First Solar. Required Skills/Competencies: - Advanced understanding of optoelectronic device physics and correlation of physical measurements to IV, QE, reliability, and low-level device metrics. - Strong understanding of perovskite materials physics, including crystallization behavior, defect states, interfaces, and degradation mechanisms. - Demonstrated expertise in advanced materials and device characterization and datadriven rootcause analysis. - Advanced skills in data analysis, experimental design, and statistical interpretation. - Physicsdriven problem solver with strong mechanistic intuition. - Comfortable with ambiguity and earlystage technologies with an ability to reduce ambiguity through structured, physicsbased problem solving. - Strong experimental rigor and data discipline. - High ownership mindset; capable of independently driving complex technical programs with companylevel impact. - Independently defines technical approaches within program objectives. - Strong crossfunctional communicator. - Commitment to safety, quality, and operational excellence. Preferred Skills/Competencies: - Handson experience with inline or highthroughput metrology in a manufacturing or pilotline setting. - Experience supporting technology transfer from R&D to manufacturing. - Record of publications, patents, or externally recognized technical contributions in perovskite photovoltaics. Essential Responsibilities: Develop and validate mechanistic understanding linking perovskite deposition, crystallization, interfaces, and postprocessing to devicelevel electrical and environmental performance. Perform deep root cause investigations of yield loss, efficiency variability, and reliability excursions using metrology data, physicsbased models, and crossfunctional inputs. Lead failure analysis and excursion response efforts, including hypothesis generation, experimental design, data interpretation, and corrective action definition. Design, develop, and