Development Engineer IV USA

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 with First Solar's Perovskite pilot line department focusing on Perovskite photovoltaic device physicsbased root cause and failure analysis. - Support development and scaleup of First Solar's nextgeneration perovskite technology. - Operate at the intersection of materials science, device physics, and pilot manufacturing engineering, acting as a technical leader in defining root cause characterization and analysis strategies, correlating metrology data to performance and reliability, and resolving complex processstructureproperty relationships. - Responsible for developing mechanistic root cause analysis methodology 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 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 of correlations between physical measurements and low-level device parameters. - Strong understanding of Perovskite materials physics, including crystallization behavior, defect states, interfaces, and degradation mechanisms. - Demonstrated expertise in data driven root cause and failure mechanism analyses. - Advanced skills in data analysis 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. - Ability to independently define technical approaches within program objectives. - Strong crossfunctional communication. - Commitment to safety, quality, and operational excellence. Preferred Skills/Competencies: - Expertise in advanced photovoltaic device characterization. - Experience supporting technology transfer from R&D to manufacturing. Essential Responsibilities: 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. Develop and validate mechanistic understanding linking perovskite deposition, crystallization, and postprocessing to devicelevel electrical and environmental performance. Support DOE development, parametric studies, and technology readiness assessments tied to pilot production goals. Serve as a subjectmatter expert in perovskite photovoltaic device physics and physicsbased diagnostics for internal stakeholders. Mentor junior engineers and scientists in experimental rigor, data analysis, and pr