T

Thales

Global defense and aerospace electronics

Artificial Intelligence Engineer Intern - Fine Tuning

Natural Language Processing & LLMsConfirmed live in the last 24 hours
InternshipRennes, FranceNo salary listed

About the Job

Requirements

  • Currently enrolled in engineering school or a master's program, or equivalent, in a general field with a specialization in Data Science, artificial intelligence, or computer science.
  • Knowledge of natural language processing and large language models.
  • Experimental rigor, curiosity, and interest in complex technical data.
  • Ability to explain and synthesize results for non-specialist stakeholders.
  • Proficiency in Python and the machine learning ecosystem, including PyTorch and Hugging Face Transformers/PEFT.

Responsibilities

  • Collect, clean, structure, and annotate business and technical corpora, including technical documentation, specifications, and project feedback, then build high-quality training and evaluation datasets.
  • Review adaptation techniques, including full fine-tuning, LoRA/QLoRA, instruction tuning, and retrieval-augmented generation, as well as open-source models suited to deployment constraints.
  • Run fine-tuning experiments by selecting base models, tuning hyperparameters, monitoring training, and managing GPU resources.
  • Define metrics and test protocols, including business benchmarks, human evaluation, and hallucination detection; evaluate models and compare fine-tuning with a retrieval-augmented generation approach.
  • Industrialize the work through reproducible scripts, data and model versioning, and documentation that enables teams to continue the work.
  • Present results to product and engineering teams with evidence-based recommendations.

Desired Qualifications

  • A first experience with fine-tuning.

About the Company

Thales

Global defense and aerospace electronics

Thales designs and delivers critical technology for aerospace, defense, and digital security. Its products include electronics, software, and data-security systems that power air travel, payments, and modern military platforms, by integrating hardware and software to build systems such as avionics, radar, cybersecurity, and secure communications that collect sensor data and protect networks. It stands out through deep industrial experience, end-to-end solutions across defense, aerospace, and cybersecurity, and a focus on AI and quantum tech, aided by strategic acquisitions and partial state ownership. Its goal is to provide reliable, secure, and connected technologies that support national security, public safety, and everyday life by solving complex security and connectivity challenges.

Company size
10,001+
Company stage
IPO
Headquarters
Meudon, France
Founded
1893

Recently Posted Jobs

Explore more opportunities at Thales

See more jobs