We are looking for a Junior Math Engineer / Data Scientist with a background in applied mathematics to strengthen the Ideation & Research stream in the Digital & IT Business Driver. You will contribute to the development of mathematical models, data-driven analyses, and digital solutions supporting my client mission to accelerate the energy transition. Key Responsibilities · Contribute to the design and implementation of mathematical models, algorithms, and analytical tools. · Support R&D and operational teams through data exploration, preprocessing, and statistical analysis. · Assist in developing predictive models, optimization software, and simulation tools. · Translate technical findings into clear insights, visualizations, and recommendations for internal stakeholders. · Collaborate with domain experts (electrical engineers, software developers, analysts) on cross-functional digital and innovation projects. · Ensure high quality in modeling activities through proper validation, documentation, and reproducibility. · Contribute to internal knowledge sharing (e.g., best practices, reusable notebooks, small tools).