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Wavestone

Management and digital transformation consulting

Consultant Intern - Multiple Teams

Technology & Systems ConsultingConfirmed live in the last 24 hours
Internship · Fall 2026Nantes, France€8.65 - €10.38 /hrHybrid

About the Job

Requirements

  • A recent graduate of a major engineering or business school, with an engineering diploma or PGE.
  • A specialization or strong interest in Data, AI, or digital transformation.
  • Initial exposure through internships or projects to transformation or business-analysis topics.
  • Motivation to discover consulting.
  • Foundational knowledge of Data, AI, or digital transformation.
  • Understanding of enterprise AI use cases.
  • Basic knowledge of Data and AI governance or operating models.
  • Basic knowledge of business analysis or organizational transformation.
  • Interest in ROI, KPIs, and value creation.
  • Fluent French is required.
  • English proficiency at a minimum C1 level is required.

Responsibilities

  • Build Wavestone's reference framework of operational levers to reduce costs and the environmental footprint of AI systems, unifying FinOps and GreenOps, and test it in real conditions.
  • Build on existing estimation work using CodeCarbon, EcoLogits, Boavizta, Eco2AI, and ADEME reference tables.
  • Create a comprehensive mitigation-lever matrix covering model selection, quantization, pruning, distillation, prompt caching, model cascading, routing, green scheduling, and hosting-provider choice.
  • Define an AI FinOps model covering consumption tracking (tokens, credits, and GPU-hours), internal chargeback, hard caps, and budgeting.
  • Quantify each lever's relative impact in euros and kilograms of CO2 equivalent for a concrete use case, such as Cowork, retrieval-augmented generation, or an agent.
  • Create a reusable AI FinOps and GreenOps audit guide for client work, including a value, cost, and footprint dashboard.
  • Test the guide in an internal proof of concept or client engagement and document actionable recommendations.
  • Contribute to commercial proposals and external pitches.

Desired Qualifications

  • Academic or internship experience on Data or AI projects.
  • Familiarity with governance, responsible AI, or regulation.
  • Initial experience facilitating workshops or managing projects.

About the Company

Wavestone

Management and digital transformation consulting

Wavestone provides management and digital consulting to help large organizations carry out complex transformations. Its services combine strategy, change management, and technology implementation to guide clients from plan to outcome. The core method centers on cultivating a shared culture of enthusiasm for change, called The Positive Way, so strategies are adopted smoothly, projects stay sustainable, and stakeholders trust the process. With about 3,000 consultants across four continents, the company supports transformation programs from ideation to execution on a global scale. Wavestone differentiates itself by placing culture and positive mindset at the heart of its approach, pairing management consulting with digital expertise to drive lasting change. The goal is to enable successful, enduring transformations that deliver measurable business value while engaging people in the change journey.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Puteaux, France
Founded
1990

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