Senior Machine Learning Engineer
CGG (Compagnie Générale de Géophysique)13 hours ago
Massy, FranceSenior
Responsibilities
- Deploy and fine-tune LLMs for domain-specific tasks.
- Build evaluation infrastructure and benchmarking pipelines across datasets and tasks.
- Apply reinforcement learning, knowledge representation, and automated decision-making to complex problems.
- Build and own data pipelines for ingestion, transformation, versioning, and labeling.
- Orchestrate multi-model agentic workflows using function calling, tool usage, RAG, and code interpreters.
- Integrate AI workflows into production systems in partnership with production and software engineering teams.
- Provide technical leadership and mentorship to junior engineers.
- Define and manage project deadlines while balancing workloads across multiple projects.
- Communicate progress and status regularly to stakeholders.
Requirements
- Master’s or Ph.D. in Computer Science, Mathematics, Physics, Electrical Engineering, or another related technical discipline.
- Strong programming skills in one or more of C, C++, R, Java, and Python.
- Advanced understanding of LLM and VLM architecture, post-training methods including fine-tuning and reinforcement learning, and evaluation pipelines.
- Experience with data and systems engineering for large-scale model workflows.
- Experience with deep learning frameworks and libraries including TensorFlow or PyTorch.
- Fluency with at least one of Cursor, Windsurf, Trae, Gemini CLI, Claude Code, Codex, or a similar tool.
- Experience applying, fine-tuning, optimizing, and deploying LLMs in industrial real-world use cases is preferred.
- Strong enterprise project experience with machine learning and AI.
- Effective communication, analytical, problem-solving, learning, and adaptability skills.
Benefits
- Competitive salary commensurate with experience and a highly attractive bonus scheme.
- Initial 22 days of annual leave with future increases and a flexible holiday buying and selling program.
- Hybrid working with two days at home and flexible working arrangements.
- Company pension with a generous employer contribution.
- Unmind mental health and wellbeing app.
- Flexible benefits platform with discounts for gyms, restaurants, cinemas, and more.
- Cycle purchase scheme.
- Flexible private medical and dental care programs.
- Bank Holiday Swap program.
- Relaxed dress code policy.
Categories
About CGG (Compagnie Générale de Géophysique)
CGG (Compagnie Générale de Géophysique), now operating as Viridien, builds geoscience software, Earth data products, and sensing/monitoring services for energy, natural resources, environmental, and infrastructure customers. Its business spans subsurface imaging, satellite imagery, and HPC/AI-enabled managed services, sold via licenses, data subscriptions, and consulting projects. Founded in 1931 and headquartered in Massy, France, it is a public company listed in Paris (EPA).