Development Engineer II - Perovskite Device Physics

First Solar reserves the right to offer you a role most applicable to your experience and skillset.

• Design, execute, and analyze experiments to evaluate perovskite solar cell performance.
• Perform advanced statistical data analysis and root cause segmentation.
• Develop new perovskite device characterization techniques.
• Develop and apply physical, empirical, or statistical models to understand device behavior and measurement technique outputs.
• Collaborate cross‑functionally with other teams including process development, metrology, and reliability to integrate findings into scalable solutions.
• Maintain detailed documentation of experimental procedures, results, and analysis.
• Present findings to internal stakeholders and contribute to technical publications and patent filings.
• Support scale‑up efforts and technology transfer to pilot and manufacturing teams as needed.

• Associate'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 I at First Solar.
• Bachelor's Degree in an engineering discipline or similar technical discipline and 5 years of relevant technical experience or 2 years of experience as a Development Engineer I at First Solar.
• Master's Degree in an engineering discipline or similar technical discipline and 3 years of relevant technical experience or 2 years of experience as a Development Engineer I at First Solar.
• Ph.D. in an engineering discipline or similar technical discipline, without prior technical work experience.
• Experience with perovskite devices, preferred.
• Proficiency in scientific programming tools (e.g., Python, MATLAB), preferred.
• Familiarity with degradation studies and reliability testing, preferred.
• Experience in industrial or applied research settings, preferred.

• Excellent understanding of semiconductor physics, optoelectronics, and photovoltaic device operation.
• Skills and hands‑on experience in execution of experiments in laboratory or manufacturing environment.
• Hands‑on experience with variety of electro‑optical device characterization techniques (e.g., JV, EQE, PL, TRPL, transmission‑reflection, impedance spectroscopy).
• Strong understanding of materials analysis techniques (e.g. SIMS, SEM, EDS, GDOES).
• Strong statistical data analysis skills.
• Excellent problem‑solving skills and ability to work independently and in teams.
• Strong sense of project ownership with hands‑on and can‑do attitude.
• Strong communication skills across organizations.

• Perform perovskite device characterization, analysis, and root cause segmentation to quantify device performance and understand the reasons for underperformance.
• Identify opportunities for improvement in solar cell performance and reliability as well as in methods and tools for the performance and reliability characterization while using scientific, analytical and empirical methods.
• Improve state of the art techniques for perovskite solar cell characterization, statistical analysis of data, or execution of experiments.
• Develop work plans for problems that may have unclear solution paths.
• May be responsible for determining and evaluating materials specification for improved performance. May be responsible for determining and evaluating tool/equipment specifications.
• Effectively communicate with internal and external partners and customers.
• Effectively collaborate as a team member that can support cross‑functional projects and take ownership of sub‑deliverables.
• May train, mentor, and manage junior and peer associates on specific subject matters.
• Comply with Company's Environmental, Quality, Safety or any other policies. Contribute to continuous improvement of said policies.
• Other duties as assigned.
• Job description subject to change at any time.

• Reports to Perovskite Physics Manager.
• May have direct reports.

Minimal travel required (