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Segula Technologies

Full-time|On-site|Guyancourt

We are seeking a detail-oriented and motivated Sales Administration Manager (M/F) to join our dynamic team at Segula Technologies. In this pivotal role, you will oversee the administration of sales processes, contributing to the efficiency and effectiveness of our sales operations. Your expertise will support our commitment to excellence and customer satisfa…

Jan 26, 2026

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Database Administrator - MongoDB (H/F)

Inetum

Full-time|On-site|Guyancourt

Nous sommes à la recherche d'un Administrateur de Base de Données MongoDB pour garantir l'administration, la performance et la sécurité de nos bases de données dans des environnements critiques.Principales responsabilités :• Administrer et maintenir les bases de données MongoDB : installation, configuration, mises à jour et surveillance.• Assurer la haute disponibilité et la récupération des données en cas d'incident.• Optimiser les performances grâce à l'indexation, au sharding et à l'ajustement des requêtes.• Mettre en place et gérer les sauvegardes et restaurations.• Collaborer avec les équipes de développement pour concevoir des schémas de données performants et évolutifs.• Surveiller et analyser les performances afin d'identifier et résoudre les incidents.• Garantir la sécurité des données : gestion des accès et protection contre les menaces.• Documenter les procédures et les bonnes pratiques d'administration.• Participer aux projets de migration et de mise à niveau des bases de données.• Fournir un support technique aux utilisateurs et aux équipes de développement.

Feb 18, 2026

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CDD - Payroll Manager H/F

SOCOTEC

Full-time|On-site|Guyancourt

Join our Shared Services Center for Payroll & Personnel Administration as a Payroll Manager (CDD). Under the guidance of an experienced supervisor, you will manage a dedicated payroll portfolio, which includes:Entering variable payroll elements;Controlling data impacting pay slips;Analyzing and validating mandatory social declarations (such as DSN control);Preparing end-of-contract documents;Monitoring and managing sick leave;Responding to queries from employees and managers.This list is not exhaustive.This is a 6-month fixed-term contract (CDD).

Feb 25, 2026

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Deputy Sales Manager – Civil Engineering Structures (H/F)

Egis Group

Full-time|On-site|Guyancourt

Join our dynamic team at Egis Group as a Deputy Sales Manager specializing in civil engineering structures. In this pivotal role, you will support the sales team in driving growth and expanding our market presence. Your responsibilities will include analyzing market trends, engaging with clients, and developing strategic partnerships to enhance our offerings. We are seeking an individual with a passion for the industry and a commitment to delivering exceptional results.

Jan 8, 2026

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Alternance - HR Administrator | egisgroup | Guyancourt

Egis Group

Internship|On-site|Guyancourt

Join Egis Group as an HR Administrator in an exciting alternance position where you will support various HR functions. This opportunity allows you to gain hands-on experience in personnel administration and contribute to the HR team while you study. You will be involved in tasks such as managing employee records, assisting with recruitment processes, and ensuring compliance with labor regulations.

Apr 30, 2026

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Regional Sales Manager and National Market Expert

Syngenta Group

Full-time|On-site|Guyancourt

Role overview Syngenta Group is hiring a Regional Sales Manager and National Market Expert in Guyancourt. This position centers on developing effective sales strategies and expanding the company's presence throughout the region. Collaboration with multiple departments is essential to deliver solutions that align with customer needs and support Syngenta Group’s focus on sustainable agriculture. What you will do Lead sales initiatives within the region and contribute to national market goals Partner with cross-functional teams to provide tailored solutions for clients Apply expertise to influence the company’s sustainable agricultural practices Establish and nurture strong relationships with customers

Apr 21, 2026

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Project Manager - Vehicle Performance and Consumption (M/F)

Alten

Full-time|On-site|Guyancourt

Join Alten as a Project Manager in our Vehicle Performance and Consumption division. You will lead innovative projects aimed at enhancing vehicle efficiency and performance. Your expertise will drive solutions that meet the evolving demands of the automotive industry.

Mar 24, 2026

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Intern - Performance & Quality Coordinator (M/F)

Egis Group

Internship|On-site|Guyancourt

Join Egis Group as an Intern in our Performance & Quality Coordination team! This exciting opportunity will allow you to contribute to our mission of enhancing quality and performance across projects. You will work closely with experienced professionals, gaining valuable insights and skills in quality management and performance analysis.

Apr 30, 2026

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[Stage] Chief of Staff to the CEO (Intern) H/F

Socotec

Internship|On-site|Guyancourt

Join Socotec as an intern in the role of Chief of Staff to the CEO, where you will gain invaluable experience working closely with executive leadership. In this dynamic position, you will assist in strategic planning, project management, and various administrative responsibilities, contributing to the overall success of the organization.

Mar 31, 2026

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Asset Manager H/F

Egis Group

Full-time|On-site|Guyancourt

Join our dynamic team at Egis Group as an Asset Manager. In this pivotal role, you will oversee asset management functions, ensuring optimal performance and strategic growth. You will collaborate with cross-functional teams to develop and implement asset management strategies that align with our organizational goals. Your expertise will be crucial in analyzing market trends, managing portfolios, and enhancing asset value.

Apr 3, 2026

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Digital & Delivery Manager H/F

Socotec

Full-time|On-site|Guyancourt

Join Socotec as a Digital & Delivery Manager and lead the transformation of our digital services. You will play a crucial role in developing innovative solutions that enhance client satisfaction and operational efficiency. Collaborate with cross-functional teams to deliver projects on time and within budget while ensuring quality standards are met.

Apr 1, 2026

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Administrateur de Bases de Données MongoDB H/F

Inetum

Full-time|On-site|Guyancourt

Nous sommes à la recherche d'un Administrateur de Bases de Données MongoDB passionné pour prendre en charge la gestion, l'optimisation et la sécurisation de nos bases de données dans des environnements critiques.Vos principales missions incluront :• Administration et maintenance des bases de données MongoDB : installation, configuration, mises à jour et surveillance.• Assurer la haute disponibilité et la récupération des données en cas d'incident.• Optimisation des performances (indexation, sharding, tuning des requêtes).• Mise en place et gestion des sauvegardes et des restaurations.• Collaboration avec les équipes de développement pour concevoir des schémas de données performants et évolutifs.• Surveillance et analyse des performances pour identifier et résoudre les incidents.• Garantir la sécurité des données : gestion des accès, protection contre les menaces.• Documentation des procédures et des bonnes pratiques d'administration.• Participation aux projets de migration et de mise à niveau des bases de données.• Fournir un support technique aux utilisateurs et aux équipes de développement.

Feb 18, 2026

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Quality, Health, Safety, and Environment Coordinator (M/F)

Veolia Environnement S.A.

Full-time|On-site|Guyancourt

We are seeking a dedicated and detail-oriented Quality, Health, Safety, and Environment (QHSE) Coordinator to join our dynamic team at Veolia Environnement S.A. in Guyancourt. In this pivotal role, you will be responsible for implementing and overseeing QHSE practices across our operations, ensuring compliance with regulations and company standards.Your contributions will be vital in promoting a culture of safety and environmental responsibility within the organization. You will work closely with various departments to develop and execute strategies aimed at enhancing quality and safety protocols.

Apr 3, 2026

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Payroll Manager H/F

SOCOTEC

Full-time|On-site|Guyancourt

Join the Shared Service Center of Payroll & Personnel Administration at SOCOTEC, where you will oversee a dedicated payroll portfolio under the guidance of an experienced manager. Your responsibilities will include:Inputting variable payroll elements;Verifying data affecting payroll statements;Managing meal vouchers;Analyzing, correcting, and validating mandatory social declarations (such as DSN control);Preparing end-of-contract documentation;Monitoring health-related absences up to the insurance dossier;Responding to inquiries from employees and managers.This list is not exhaustive.

Mar 9, 2026

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Safety & Quality Project Manager H/F

SOCOTEC

Full-time|On-site|Guyancourt

Join SOCOTEC as a Safety & Quality Project Manager (h/f) and contribute to the deployment of our national QSE strategy at our headquarters in Guyancourt (78). Reporting directly to the Group's Quality, Safety, and Environment Director, you will lead national and potentially international QSE projects aimed at enhancing the efficiency of our practices.As a member of the SOCOTEC QSE team, your role is crucial in promoting adherence to our Quality, Safety, and Environment practices throughout the group.Key Responsibilities:Lead the Management System for Safety and Quality.Support Safety Correspondents in our subsidiaries and new structures.Assist in the certification processes for MASE, ISO 17020, ISO 17025, ISO 9001.Prepare and facilitate internal audits.Organize the review of Unique Documents / PAPRIPACT.Develop communication tools and resources for QSE.

Mar 17, 2026

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Industrial Risk and Operational Safety Engineer - Experienced (M/F)

Egis Group

Full-time|On-site|Guyancourt

Join Egis Group as an experienced Industrial Risk and Operational Safety Engineer. In this pivotal role, you will be responsible for analyzing and managing industrial risks, ensuring compliance with safety regulations, and enhancing operational safety protocols. Your expertise will contribute to the development and implementation of risk management strategies across various industrial sectors.

Dec 22, 2025

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Digital Transformation Manager (H/F)

Socotec

Full-time|On-site|Guyancourt

Join Socotec as a Digital Transformation Manager and lead the charge in revolutionizing our digital landscape. In this pivotal role, you will oversee the development and implementation of innovative digital strategies that enhance our operational efficiency and customer engagement.

Apr 3, 2026

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Experienced River Project Manager H/F

Egis Group

Full-time|On-site|Guyancourt

Role Overview Egis Group is hiring an Experienced River Project Manager for its Guyancourt office. This position leads the planning, execution, and delivery of river and waterway projects. The manager ensures each project meets deadlines and stays within budget. Main Responsibilities Oversee all phases of river management projects, from initial planning to final completion Coordinate teams and resources to meet project goals Monitor progress, timelines, and budgets Promote sustainable development practices throughout each project What We Look For Experience managing river or waterway projects Strong leadership and team coordination skills Strategic approach to project delivery Commitment to sustainability in project work Location This role is based in Guyancourt.

Apr 16, 2026

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Experienced Airport Project Manager H/F

Egis Group

Full-time|On-site|Guyancourt

Role overview The Experienced Airport Project Manager at Egis Group in Guyancourt leads airport infrastructure projects from early planning through final delivery. This role manages project timelines, budgets, and brings together teams from different disciplines to keep work on track. Key responsibilities Guide complex airport infrastructure projects from start to finish Track schedules and budgets to meet established targets Coordinate with engineers, architects, and other technical specialists Maintain high standards for sustainability and operational quality throughout each phase Team environment Work alongside a multidisciplinary team focused on quality and sustainable airport management. The group values expertise, open communication, and a collaborative approach to achieving results.

Apr 27, 2026

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Performance Coordinator Intern (M/F)

Egis Group

Internship|On-site|Guyancourt

Join Egis Group as a Performance Coordinator Intern (M/F) and kick-start your career in a dynamic environment. As an intern, you will assist in the coordination of performance metrics and help streamline processes to enhance operational efficiency. This opportunity is perfect for individuals eager to learn and grow within a reputable company.

Apr 9, 2026

Alternance - HR Administrator | egisgroup | Guyancourt

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