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Ingenieur Environnement

Lesaffre • France • Added on Jul 27, 2026
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Working at the Biospringer production site, you will own the daily execution and long-term strategy of the facility’s environmental policy. You are responsible for managing the liquid waste pretreatment plant, which handles 8,000 cubic meters daily, while overseeing odor control systems and waste recovery programs. Your work ensures that the site operations remain in strict alignment with French regulatory frameworks like ICPE.

This role is vital because industrial fermentation is a resource-intensive process that relies heavily on water and energy. By optimizing the pretreatment station and driving energy efficiency initiatives, you directly reduce the facility’s localized environmental footprint. You transform complex regulatory constraints into tangible performance gains, ensuring that Lesaffre’s growth in the food and health sectors remains compatible with local ecological limits and community expectations.

This suits someone who possesses a strong industrial engineering background and a deep understanding of French environmental law. You should be equally comfortable performing laboratory technical analysis as you are presenting sustainability KPIs to site leadership.

Job FAQs

What are the main missions and responsibilities of this role?

Occupying a central role at the Maisons-Alfort industrial site, you are the primary custodian of the facility's environmental management system (SME). Your core responsibilities split between technical operations and administrative compliance. You monitor the performance of the liquid effluent treatment station and odor control installations, ensuring that all industrial byproducts are managed safely and efficiently. Beyond technical monitoring, you manage legal documentation, including ICPE declarations and annual environmental reports for GIDAF and GEREP. You also spearhead energy efficiency programs, identifying leaks in compressed air or steam systems and promoting 'eco-gestures' across the site to lower the carbon footprint of production.

Key learning opportunities for this job

This position offers a deep dive into the circular economy within the food-processing sector, specifically regarding waste valorization and byproduct management. You will gain hands-on expertise in managing large-scale water treatment technologies and air filtration systems in a high-output industrial environment. Additionally, you will strengthen your expertise in French environmental law and ISO standards (14001, 50001). The role provides exposure to Life Cycle Assessment (LCA) methodologies and carbon footprinting, which are increasingly critical skills for sustainability professionals in the manufacturing industry.

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

The ideal candidate holds a Master's degree or Engineering diploma specializing in Environment, HSE, or Chemical Processes. We are looking for a professional with at least five years of experience, preferably within a site classified as ICPE (Installations Classées pour la Protection de l'Environnement). You should demonstrate high autonomy and the ability to supervise technical staff while maintaining rigorous attention to detail for regulatory filings. A proficiency in English (B2/C1) is necessary, as you will interact with the broader Lesaffre group and participate in global benchmarking.

Advice to stand out and make a successful application

To stand out, highlight your specific experience with water treatment processes or odor management in a manufacturing context. Candidates who can demonstrate a successful track record of navigating French environmental inspections or successfully transitioning a site to ISO 14001 certification will be highly regarded. In your application, show that you understand the link between industrial performance and sustainability. Lesaffre values candidates who do not see environmental regulation as a constraint but as a lever for operational optimization and long-term business resilience.

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

The primary focus is on operational environmental impact, specifically water stewardship and waste management. Given the nature of yeast production, managing the concentration of liquid effluents and mitigating atmospheric emissions (odors) is the site's most critical social and environmental responsibility. The role also supports the group's decarbonization goals through energy efficiency. By monitoring steam, compressed air, and water leaks, you turn corporate ESG goals into measurable technical improvements at the plant level.

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

One of the chief challenges is maintaining the continuity of service and compliance in a 24/7 industrial environment where production volumes fluctuate. You must be prepared to respond to unforeseen events, such as uncontrolled discharges, which require quick technical adjustments and immediate communication with authorities. Balancing technical field interventions—like taking samples and laboratory testing—with heavy administrative and regulatory reporting requires excellent time management. You may also face the challenge of influencing behavioral changes across different departments to prioritize energy saving.

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

A typical day begins with a review of the pretreatment station's performance data and a surveillance tour of the odor treatment units. You might spend the morning analyzing laboratory results and supervising the environmental technician's sampling schedule. In the afternoon, your focus could shift to stakeholder management, perhaps meeting with local authorities or building an internal training session to educate production staff on waste sorting. You will likely finish the day by reviewing energy consumption KPIs or updating a regulatory dossier for a new site project.

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

Success in this role could lead to a position as Regional Environment Manager or a specialized corporate role within Lesaffre's Global ESG department. The experience gained in process engineering and compliance is highly transferable to site leadership or QEHS management roles. You will also have the chance to lead high-visibility pilot projects, such as waste-to-energy initiatives or advanced water recycling systems, which can serve as a springboard for career advancement within the group's international network.

The main stakeholders you might be interacting with

You will serve as the primary link between the site and external regulatory bodies such as DRIEAT and SIAAP. Internally, you act as a consultant to the Production and Maintenance teams, helping them integrate environmental constraints into their daily operations. You report directly to the Environment & Energy Manager and interact with local residents and community groups to manage the site’s social license to operate, particularly regarding odor and noise management.

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