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Chargé de mission RSE

Terralpha • France • Added on Jul 8, 2026
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As a CSR Project Officer in this apprenticeship role, you will take the lead on structuring the company’s sustainability framework and carbon accounting. You will be responsible for calculating Scopes 1, 2, and 3 emissions from scratch, coordinating with the accounting department to establish reliable data collection processes, and managing the annual EcoVadis assessment. This is a hands-on position where you translate raw data into a concrete roadmap for the executive team.

Working within a high-growth telecommunications operator, the impact of your work is significant for digital sovereignty. You will tackle the environmental footprint of national fiber-optic networks and data infrastructure, directly influencing how a critical utility subsidiary decarbonizes its high-voltage operations. This role offers the rare chance to witness your strategic recommendations shape the CSR trajectory of a fast-evolving PME backed by a major railway network.

This suits someone who is analytically minded and comfortable navigating complex Excel datasets while remaining a proactive communicator. You should be pursuing a Master’s degree and demonstrate a genuine interest in technical carbon methodology and regulatory compliance.

Preguntas frecuentes

What are the main missions and responsibilities of this role?

The core of this role involves structuring the CSR strategy for a growing telecom operator. You will be responsible for the end-to-end management of the company's carbon footprint, identifying emission factors, and building a sustainable data collection methodology with the finance department. Beyond numbers, you will refine the CSR roadmap and ensure continuous improvement for external ratings like EcoVadis. You will also handle regulatory monitoring for frameworks such as the CSRD and AGEC law. A significant part of your mission is to translate complex environmental data into clear reporting dashboards and presentation materials for the leadership team, ensuring that sustainability goals are integrated into the company’s broader business strategy.

Key learning opportunities for this job

This apprenticeship offers an exceptional opportunity to conduct a Bilan Carbone from A to Z, a highly sought-after skill in the current job market. You will gain deep technical expertise in greenhouse gas quantification, methodology documentation, and the identification of reduction levers within a technical infrastructure environment. Furthermore, you will learn the intricacies of ESG ratings through the EcoVadis process and gain exposure to the emerging requirements of the CSRD framework. Working in a small, agile team also allows you to develop versatile project management skills, specifically in coordinating cross-functional initiatives between technical, financial, and executive departments.

How does the ideal candidate look like (experience, skills)?

The ideal candidate is a Master’s level student specializing in CSR or Sustainable Development with a strong affinity for data analysis. Proficiency in Excel is essential, as you will be building the tools that track the company's environmental performance. Since this is an apprenticeship in a small team, an autonomous and proactive mindset is highly valued. Previous experience or certification in Bilan Carbone methodology is a significant advantage. Beyond technical skills, you should possess strong writing and interpersonal abilities to effectively communicate sustainability concepts to colleagues who may not be experts in the field.

Advice to stand out and make a successful application

To stand out, demonstrate that you understand the specific environmental challenges of the telecommunications and digital sector, such as energy consumption in data centers or the lifecycle of network equipment. Mentioning your familiarity with carbon accounting tools or specific French regulations like the AGEC law will show you are ready to be operational quickly. Tailor your application by highlighting your ability to translate data into action. Provide examples of previous academic or professional projects where you had to organize unstructured information into a coherent strategy or report.

What aspects of the company's sustainability is this role likely to focus on?

The role focuses heavily on environmental operational efficiency and digital sobriety. Given Terralpha’s core business, you will likely work on the energy footprint of high-speed data transport and the 'Digital Slabs' (Dalles Numériques) infrastructure, which aims to optimize local data storage and transmission. You will also address the social and governance pillars through responsible purchasing and the sensitization of employees. Ensuring that the company’s growth aligns with the decarbonization targets of its parent group, SNCF Réseau, remains a central theme of the sustainability strategy.

What are the main challenges someone in this role might face?

One of the primary challenges will be establishing a reliable data collection stream in a company where these processes might not yet be fully automated. You will need to convince different departments to prioritize sustainability data alongside their usual operational KPIs. Additionally, balancing the technical requirements of carbon accounting with the need for high-level strategic communication can be demanding. You will need to maintain high rigor in your calculations while being able to explain the 'why' behind the numbers to various internal stakeholders.

How could a typical day look like for someone in this position?

A typical day might begin with an analysis of energy consumption data from network nodes, followed by a meeting with the Finance or Accounting team to refine the methodology for Scope 3 data collection. You might spend the afternoon drafting a briefing for the QSE Manager or preparing for the next EcoVadis submission. Your day will often involve a mix of quiet analytical work in Excel and cross-functional coordination. You could also spend time researching new environmental regulations to ensure the company remains compliant with evolving European standards.

What are the opportunities for professional growth and development in this role?

This role is designed to provide high visibility, offering the chance to impact executive-level decision-making early in your career. Successfully delivering the company’s first comprehensive Bilan Carbone will establish you as a vital internal expert. In a fast-growing PME, the scope of the role can expand quickly. Candidates who prove their value may find opportunities to take on more complex strategic projects or lead specific environmental initiatives as the CSR department matures.

The main stakeholders you might be interacting with

You will report directly to the QSE (Quality, Safety, Environment) Manager, who will serve as your primary mentor. However, your role is inherently transverse, bringing you into regular contact with the accounting and finance departments for carbon data. You will also interact with Direction-level stakeholders to present results and strategic roadmaps. Externally, you may correspond with service providers for carbon tools or auditors during the EcoVadis certification process.

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