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ESG & Sustainability Apprentice

Omnes • France • Added on Jul 3, 2026
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As an apprentice on the ESG & Sustainability team, you’ll become one of the operational pillars behind collecting and analyzing non-financial data. Your job will be to run reporting campaigns with portfolio companies and turn raw data into performance indicators that investors and regulators can actually use.

This role sits at the heart of Omnes’s sustainable investment strategy. Working with demanding frameworks like SFDR and the French Energy-Climate Law, you’ll help ensure the transparency and credibility of funds dedicated to the energy transition. Your analysis helps direct capital toward low-carbon infrastructure and sustainable cities, making finance’s environmental impact genuinely measurable.

This suits someone who is rigorous, has a strong appetite for data, and is drawn to the private equity sector, combining advanced analytical skills with a real commitment to climate action within a market-leading firm.

Job FAQs

What are the main missions and responsibilities of this role?

The apprentice will be primarily responsible for the end-to-end management of ESG data campaigns. This involves designing questionnaires, coordinating with portfolio companies to gather information, and performing rigorous quality checks to ensure data integrity for multi-million euro investment funds. Beyond basic data management, the role includes assisting in the preparation of mandatory regulatory disclosures, such as SFDR and Article 29 of the French Law on Energy and Climate. You will also participate in the methodological development of internal ESG tools and the calculation of carbon and biodiversity footprints for various investment strategies.

Key learning opportunities for this job

This position offers a deep dive into the regulatory landscape of sustainable finance in Europe, providing hands-on experience with SFDR, EU Taxonomy, and biodiversity reporting frameworks. You will master the technical aspects of ESG data analysis and performance monitoring within the private equity context. You will also gain exposure to the specificities of impact investing across diverse sectors like renewable energy, deeptech, and sustainable cities. Working alongside seasoned ESG experts, you will develop a sophisticated understanding of how sustainability metrics influence investment decisions and portfolio management.

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

The ideal candidate should be a student from a top-tier business school, engineering school, or university with a specialization in sustainable finance or environmental management. A strong command of Excel is non-negotiable, as the role involves structuring and cleaning large, complex datasets. Analytical precision and a high degree of rigor are essential to ensure the accuracy of reports intended for institutional investors. Fluency in both French and English is required to effectively communicate with international teams and portfolio companies across Europe.

Advice to stand out and make a successful application

To stand out, demonstrate a genuine interest in private equity and how it serves the energy transition. Rather than listing generic ESG skills, provide specific examples of your experience in data management or your understanding of a particular reporting framework like SFDR. Since the recruitment process includes a technical test, brushing up on your Excel capabilities and financial literacy will be beneficial. Tailor your cover letter to show you understand Omnes’ specific investment verticals, such as renewable energy or sustainable infrastructure, and why you are motivated by these specific sectors.

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

The role focuses heavily on the environmental and governance pillars of ESG, specifically regarding decarbonization and climate risk assessment. You will work on quantifying the physical and transition risks of assets to align with the firm's energy transition mandate. Social impact is also a factor, particularly through tracking indicators related to workforce diversity and health and safety within portfolio companies. The role ensures that the Omnes ESG strategy is effectively implemented and measured at every stage of the investment lifecycle.

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

One of the primary challenges will be the harmonization of disparate data from various portfolio companies, each at different stages of ESG maturity. Ensuring consistency and quality across such a diverse range of assets requires patience and extreme attention to detail. You may also face the complexity of staying updated with rapidly evolving regulations in the sustainable finance sector. Balancing technical reporting requirements with the fast-paced nature of private equity deal-making can also be a demanding aspect of the position.

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

A typical day might begin with reviewing submissions from portfolio companies and identifying gaps or inconsistencies in their ESG reports. Mid-morning could involve a meeting with the investment teams to discuss the ESG performance of a potential new acquisition or a current asset. Afternoons are often dedicated to technical work, such as updating internal carbon footprint models or drafting sections of an annual sustainability report. The day might end with a team brainstorming session on improving data collection processes or researching new biodiversity metrics for the fund.

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

This apprenticeship is a proven gateway to a career in sustainable finance, ESG consulting, or in-house sustainability roles. Omnes’ reputation in the energy transition space provides a prestigious pedigree for future professional endeavors. Successful apprentices often develop the specialized skill set required to become ESG Analysts or Associates. The exposure to different investment strategies and the firm's international reach allows for lateral connections across the European private equity ecosystem.

The main stakeholders you might be interacting with

You will serve as a key link between the in-house ESG & Sustainability team and the various investment business units (Renewable Energy, Sustainable Cities, etc.). This requires professional and clear communication to facilitate data sharing and analysis. Externally, you will interact with the management teams of portfolio companies, guiding them through the data collection process. Occasional interactions with external consultants or data providers might also occur to support specialized assessments like biodiversity or climate mapping.

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