HQP - QS 209 Laser Process Expert for Perovskite Tandem Solar Cells (m/f/d)

Powering the Future of Solar Technology with Qcells

At Qcells, we don’t just envision a greener future—we actively create it. As a global leader in photovoltaic technology and a proud member of the Hanwha Group, a FORTUNE® Global 500 enterprise, we are dedicated to shaping the next generation of solar energy. Our Center for Innovation, Technology, and Quality in Thalheim (near Leipzig/Halle/Berlin) is home to over 200 experts advancing solar cells and modules — “Engineered in Germany.”

We are looking for a passionate and skilled Laser Process Expert to join our R&D team and contribute to the advancement of perovskite-silicon tandem solar cell technology. If you are driven by innovation and want to work at the forefront of laser-based manufacturing processes, this is your opportunity to make a global impact.

Your Role: Advancing Laser Processes for Tandem Solar Cells

As a key member of our dynamic and international R&D team, you will take ownership of laser-based processes in perovskite development. You will play a critical role in developing, optimizing, and scaling laser technologies to enable high-efficiency tandem solar cells.

Your Key Responsibilities

• Laser Process Development:
• Develop, optimize, and implement laser processes for perovskite tandem solar cells, including cell separation (scribing/dicing) and edge isolation.
• Take full responsibility for all laser-related process steps across the perovskite device flow, ensuring performance, stability, and scalability.
• Process Integration:
• Collaborate closely with coating, materials, and device teams to integrate laser steps seamlessly into the overall cell architecture and process flow.
• Experimental Excellence:
• Plan and execute experiments, analyze data, and continuously improve processes, equipment, and device performance.
• Support the transfer of laser processes from R&D to pilot lines and production environments, ensuring robustness and reproducibility.
• Work with equipment manufacturers and internal stakeholders to define specifications, qualify tools, and drive technological advancements.

Your Qualifications

• Degree in Physics, Engineering, Materials Science, or a related field.
• Strong experience in laser-material processing, ideally in photovoltaics, semiconductors, or thin-film technologies.
• Hands‑on expertise in processes such as laser scribing, ablation, structuring, dicing, or edge isolation.
• Knowledge of perovskite or tandem solar cell technology is a strong advantage.
• Structured, analytical, and solution‑oriented working style.
• Strong communication skills and ability to work in interdisciplinary teams.
• Experience with data analysis and statistical tools.
• Fluency in English.
• Willingness to travel internationally.

Why Qcells?

• Work on cutting‑edge solar technology with a global industry leader.
• Be part of an innovative, diverse, and collaborative R&D environment.
• Access state‑of‑the‑art laboratories and pilot lines.
• Enjoy competitive compensation, career development opportunities, and a strong focus on sustainability.

Ready to Shape the Future of Solar Energy?

Take this opportunity to help define the next generation of photovoltaic technology. If you are passionate about laser processes and want to pioneer breakthroughs in perovskite tandem solar cells, we would love to hear from you.

Qcells is an equal‑opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Privacy Notice pursuant to Article 13 of the GDPR for job vacancies

As part of your application, we process your personal data (e.g. contact details, CV, references) solely for the purpose of conducting the recruitment process. The data controller is

Germany

The legal basis is Article 6(1)(b) of the GDPR. Your data will be treated confidentially and deleted no later than six months after the process has been completed, provided there is no statutory obligation to retain it. You have the right to access, rectify, erase and restrict the processing of your data, as well as the right to lodge a complaint with a data protection supervisory authority. If you have any questions, please contact