Astek

About the Company

Since 1988, we have been at the heart of the world's foremost digital transformations, supporting our clients with the same high-value service and expertise everywhere they are.

Day after day, we rely on our highly scalable business model and our experts' and engineers' deep technical expertise, driven by the same purpose: Succeed in a sustainable digital transformation, placing humans at the heart of our development.

The Group supports its customers across 5 global business lines, offering them cutting-edge expertise in 3 primary services: Technology, Operations, and Engineering.
* Strategy & Management Consulting
* Digital Experience
* Data & Artificial Intelligence
* Cloud & Softwares
* Cybersecurity

Listed Jobs

Company Name

Astek

Job Title

Stage - Stage de fin d’études / Ingénieur innovation en Traitement Automatiques des Langues [REF-BIA-22-1] - Paris, France (H/F)

Job Description

**Job Title** Internship – Innovation Engineer, Automatic Language Processing **Role Summary** Conduct research and development on automatic transformation of standard texts into “Easy to Read” (FALC) content, focusing on novel deep‑learning models and evaluation metrics. Work through the full innovation cycle, from data handling and model training to deployment and quantitative assessment. Collaborate with a multidisciplinary team under scientific supervision, applying Agile and Astek methodologies. **Expectations** - Enrolled in the final year of an engineering program or Master 2 (preferably research‑oriented). - Demonstrated experience with machine‑learning projects using Python, PyTorch, transformers, scikit‑learn, and pandas. - Strong analytical, synthesis, and scientific‑writing skills. - Fluency in French and English (professional level). **Key Responsibilities** - Design, prototype, and evaluate NLP models that simplify complex narratives into FALC format. - Develop automatic metrics to benchmark simplification quality against human references. - Curate and preprocess multilingual datasets for training and testing. - Integrate state‑of‑the‑art large‑language models (LLMs) and fine‑tune them for FALC generation. - Document research findings, methodology, and results for internal stakeholders and scientific dissemination. - Participate in sprint planning, code reviews, and iterative feedback cycles. - Contribute to knowledge sharing within the project team and wider organization. **Required Skills** - Proficiency in Python and libraries: PyTorch, Hugging‑Face transformers, scikit‑learn, pandas. - Solid foundation in machine‑learning and deep‑learning concepts, particularly for NLP. - Experience with LLMs (e.g., GPT, BERT, T5) and text simplification tasks. - Ability to design and implement custom evaluation metrics. - Strong problem‑solving, analytical, and communication skills (written and oral). - French and English professional communication. **Required Education & Certifications** - Current enrollment in Engineering (‑Ingénieur) final year or Master 2 in Computer Science, NLP, AI, or related field, with research orientation preferred. - No mandatory external certifications required, but coursework in NLP, deep learning, and ML is essential.

Paris, France

Hybrid

24-11-2025

Company Name

Astek

Job Title

Stage - Stages Fin d’études / Ingénieur Innovation en Mécanique Numérique [REF-BME-21] - Paris, France (H/F)

Job Description

**Job Title** Internship – Final Year / Innovation Engineer in Digital Mechanics [REF-BME-21] **Role Summary** An internship for a final‑year engineering student or Master 2 candidate focusing on the design, modeling, and energy performance assessment of a robotic vacuum system that removes cigarette butts from beach sand. The role involves CFD simulation, flow analysis, and system optimization to support a proof‑of‑concept prototype before deployment. **Expectations** - Complete the full life‑cycle of an innovation project, from theoretical modeling to prototype evaluation. - Produce clear technical documentation and presentations in French and English. - Demonstrate independent, analytical, and proactive work habits. **Key Responsibilities** 1. Develop geometric models of the suction section and vertical pipe for energy performance analysis. 2. Perform CFD simulations using OpenFOAM and CFDEM, and post‑process results with Python. 3. Analyze velocity fields, flow dynamics, and particle removal efficiency in the suction system. 4. Evaluate and optimize the energy consumption of the vacuum device. 5. Validate simulation results against experimental data and refine models accordingly. 6. Draft technical reports, progress briefs, and scientific papers. 7. Collaborate with the Astek engineering team and research supervisor following the Astek innovation methodology. **Required Skills** - Solid knowledge of fluid mechanics, thermodynamics, and mechanical systems. - Hands‑on experience with CFD tools (OpenFOAM, CFDEM) and scripting in Python. - Strong analytical, synthesis, and problem‑solving capabilities. - Excellent written and oral communication in French and English. **Required Education & Certifications** - Final year of a Master’s or Bachelor’s engineering program, or Master 2 (research track) in Mechanical Engineering (Mécanique). - Coursework or project experience in modeling and simulation of mechanical or fluid systems.

Paris, France

Hybrid

24-11-2025

Company Name

Astek

Job Title

Stage - Stages Fin d’études / Ingénieur Innovation en Mécanique Numérique [REF-BME-29] - Paris, France (H/F)

Job Description

Job Title: Mechanical Digital Innovation Engineer Intern Role Summary: Assist in the research and development of a sodium‑doped aluminum engine as a hydrogen‑based alternative for automotive propulsion. Conduct thermodynamic, thermochemical, and mechanical simulations; design combustion chamber geometry; develop methods for evacuation or collection of reaction residues. Apply CATIA, Python, and COMSOL across the innovation lifecycle and contribute to documentation and presentation of results. Expectations: - Deliver simulation outputs and analysis within agreed timelines. - Collaborate with a multidisciplinary team under a research doctor’s supervision. - Apply Astek’s innovation methodology to support prototype development. - Produce clear technical reports and oral presentations. Key Responsibilities: - Build and validate models of sodium‑water reaction and combustion processes. - Perform thermodynamic and thermochemical assessments of the combustion chamber. - Design and optimize component geometries using CATIA. - Implement numerical simulations with COMSOL and Python scripts. - Document methodologies, results, and recommendations for next‑stage development. Required Skills: - Strong background in mechanical engineering, modeling, and simulation. - Proficiency with CATIA, COMSOL Multiphysics, and Python. - Knowledge of thermodynamics, thermochemistry, and materials related to sodium/hydrogen systems. - Analytical thinking, synthesis of complex data, and problem‑solving. - Excellent written and oral communication in French and English. Required Education & Certifications: - Final year of engineering degree or Master 2 (research track) in Mechanical Engineering or related field. - Prior project experience demonstrating applied modeling and simulation skills.

Paris, France

Hybrid

24-11-2025

Company Name

Astek

Job Title

Stage - Stage de fin d’études / Ingénieur innovation en cybersécurité [REF-RCS-41] - Rennes, France (H/F)

Job Description

Job title: Stage – Cybersecurity Innovation Engineer (final‑year internship) Role Summary: Provide research‑engineering support on homomorphic encryption (HE) techniques, focusing on bootstrapping performance, noise management, and algorithm selection for secure cloud and data‑analytics applications. Collaborate within a multidisciplinary project team to design, prototype, and evaluate HE solutions, delivering technical recommendations and documentation. Expactations: - Complete the internship within 6–9 months, delivering milestones on algorithm optimisation and platform design. - Produce technical reports, code repositories, and presentation materials for internal and academic audiences. - Maintain high‑quality code, adhere to coding standards, and document design decisions. Key Responsibilities: - Analyse state‑of‑the‑art HE schemes and identify bottlenecks in bootstrapping and noise accumulation. - Implement and benchmark HE primitives in C++ and Python, optimizing for speed and memory. - Develop a data‑analysis platform to evaluate different data types and operations, generating algorithm‑choice recommendations. - Participate in the full engineering lifecycle: requirement analysis, design, coding, testing, and documentation. - Contribute to research papers and technical presentations under guidance of senior researchers. - Communicate findings clearly in both French and English, drafting technical reports and briefing documents. Required Skills: - Strong background in Mathematics, Computer Science, or Cybersecurity. - Proficiency with C++, Python, and cryptographic libraries (e.g., Microsoft SEAL, PALISADE). - Experience in optimisation, algorithmic efficiency, and performance profiling. - Analytical and synthesis skills with accurate technical documentation. - Effective oral and written communication in French and English. Required Education & Certifications: - Current enrolment in the final year of an engineering degree or a Master’s (M2), preferably in research track (M2 Recherche). - Demonstrated project experience applying the required programming languages to significant engagements.

Rennes, France

Hybrid

24-11-2025