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Assystem

Full-time|On-site|Lyon

Join Assystem as a Lead Developer and play a pivotal role in driving innovation within our technical teams. As a key player, you will oversee development projects, mentor junior developers, and lead architecture discussions to create cutting-edge solutions. We are looking for a proactive individual with a passion for software development and a desire to work…

Feb 11, 2026

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Data Engineer (H/F) at Assystem | Lyon

Assystem

Full-time|On-site|Lyon

Join Assystem, a leading engineering and consulting company, as a Data Engineer (H/F) in Lyon. We are looking for a passionate and skilled Data Engineer to contribute to innovative projects that shape the future of technology.

Jan 22, 2026

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Data Owner 3DX (H/F) at Assystem | Lyon

Assystem

Full-time|On-site|Lyon

Join Assystem as a Data Owner in our innovative 3DX team, where you will play a crucial role in managing and optimizing our data assets. As a Data Owner, you will be responsible for ensuring data integrity, quality, and accessibility across various projects. You will collaborate with cross-functional teams to establish data governance policies and contribute to strategic data initiatives.

Jan 8, 2026

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Manager SI (Systems Integration) at Assystem | Lyon

Assystem

Full-time|On-site|Lyon

Role overview Assystem seeks a Manager to lead the Systems Integration (SI) team in Lyon. This role centers on overseeing project delivery and ensuring that integration solutions meet client expectations. The Manager will play a key part in guiding the team’s work and shaping integration strategies. Main responsibilities Supervise and support the SI team throughout project delivery Guide integration efforts to align with client requirements Promote operational excellence within the team Encourage a culture of innovation and continuous improvement Location The position is based in Lyon.

Apr 21, 2026

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Senior Full Stack Developer (H/F)

Assystem

Full-time|On-site|Lyon

Join Assystem as a Senior Full Stack Developer (H/F) in Lyon, where you will leverage your expertise in both front-end and back-end technologies to deliver cutting-edge solutions. You will be an integral part of our dynamic team, collaborating with cross-functional units to design, develop, and maintain robust applications. This role requires a deep understanding of software engineering principles and a passion for innovation.

Feb 11, 2026

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Lead Angular Developer (H/F) - Lyon

SQLI

Full-time|On-site|Lyon

Join SQLI as a Lead Angular Developer where you'll spearhead innovative projects in a collaborative and dynamic environment. As a key member of our development team, you'll leverage your expertise in Angular to deliver high-quality software solutions that meet our clients' needs.

Nov 22, 2023

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Data Steward - Mid-Senior Level Position at Assystem | Lyon

Assystem

Full-time|On-site|Lyon

Join Assystem as a Data Steward, where you'll play a critical role in managing and ensuring the integrity of our data assets. In this mid-senior level position, you will be responsible for overseeing data governance, quality, and compliance to support our organizational objectives.

Jan 27, 2026

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PMO Lead / Team Leader PMO H/F

Assystem

Full-time|On-site|Lyon

Role Overview Assystem is looking for a PMO Lead / Team Leader PMO (H/F) to guide project management operations in Lyon. This role focuses on coordinating project activities, allocating resources, and supporting the delivery of successful projects. What You Will Do Oversee day-to-day project management operations within the team Coordinate activities across multiple projects to keep work on track Manage resource allocation and scheduling Implement and promote project management best practices Support continuous improvement in project delivery and performance Location Lyon, France

Apr 14, 2026

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Experienced Front-End Developer (H/F)

Assystem

Full-time|On-site|Lyon

We invite you to join Carole's team, Activity Manager, as an Experienced Front-End Developer (H/F). You will play a crucial role in a significant and impactful project within a demanding industrial environment.Design, develop, and maintain modern Front-End web applications.Architect and bootstrap a Front-End stack (TypeScript / Angular or equivalent) from scratch.Implement Front-End functionalities while adhering to best practices.Ensure code quality, readability, and maintainability of the software architecture.Maintain consistency between architectural choices and development standards.Participate in corrective and evolutionary maintenance of production applications.Collaborate with Back-End, UX/UI, and Product teams (PO, PM).Engage in code reviews and contribute to the continuous improvement of technical processes.Stay updated on technological advancements and propose improvement strategies.Why join the Switchers community?Become part of the Switchers community and embark on an exciting digital adventure at the heart of the nuclear industry! Over 55 years of experience in nuclear engineering and ranked among the top 3 largest nuclear engineering firms. Engage in stimulating projects with a real societal impact. Numerous career opportunities with 70% of our managers promoted from within.

Mar 10, 2026

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Fiscaliste H/F - Join Our Dynamic Team in Lyon

Assystem

Full-time|On-site|Lyon

Assystem is seeking a highly motivated and skilled Fiscaliste H/F to join our growing team in Lyon. In this role, you will play a crucial part in providing expert advice on tax regulations and compliance, ensuring that our clients meet their fiscal obligations efficiently and effectively.As a Fiscaliste, you will be responsible for analyzing tax legislation, preparing reports, and advising clients on various tax-related matters. Your expertise will be essential in helping clients navigate complex regulatory environments and optimize their tax strategies.

Apr 9, 2026

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Product Owner - H/F

Assystem

Full-time|On-site|Lyon

We are seeking a dedicated and experienced Product Owner to join our dynamic team at Assystem in Lyon. As a Product Owner, you will play a pivotal role in bridging the gap between our development team and our stakeholders. Your responsibilities will include defining product vision, managing the product backlog, and ensuring the delivery of high-quality software solutions that meet customer needs.The ideal candidate will possess a strong understanding of Agile methodologies and will be adept at prioritizing tasks to ensure the timely delivery of products. You will work closely with cross-functional teams to gather requirements and translate them into actionable user stories.

Jan 28, 2026

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Industrial IT Leader H/F

Assystem

Full-time|On-site|Lyon

Role overview Assystem is looking for an Industrial IT Leader to drive technology initiatives within industrial projects based in Lyon. The position plays a key role in shaping how IT solutions enhance operational efficiency and productivity in an industrial setting. What you will do Lead a team dedicated to delivering IT solutions that support industrial operations Oversee project timelines and ensure that key milestones are reached Manage and allocate resources to meet the evolving needs of each project Collaborate with teams from various departments to achieve shared project goals Participate in strategic planning and help implement IT initiatives aligned with business objectives Location This role is based in Lyon.

Apr 24, 2026

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Consultant Data Scientist H/F

Assystem

Full-time|On-site|Lyon

Join Assystem as a Consultant Data Scientist and be at the forefront of data-driven decision-making. In this dynamic role, you will collaborate with cross-functional teams to leverage advanced analytical techniques and contribute to innovative projects that transform data into actionable insights.

Feb 27, 2026

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Regulatory Engineer ESPN H/F

Assystem

Full-time|On-site|Lyon

Join Assystem as a Regulatory Engineer specializing in ESPN, where you will play a pivotal role in ensuring compliance with industry regulations. Your expertise will help drive innovative solutions and maintain high standards in our projects.

Feb 11, 2026

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IT Project Management Officer - H/F

Assystem

Full-time|On-site|Lyon

Join Assystem as an IT Project Management Officer (PMO) in Lyon! In this pivotal role, you will oversee and facilitate our IT projects, ensuring they align with strategic objectives and are delivered on time and within budget. You will collaborate with cross-functional teams, manage risk assessments, and implement effective project management methodologies to enhance operational efficiency.

Jan 30, 2026

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Business Consultant PLM H/F

Assystem

Full-time|On-site|Lyon

Join Assystem as a Business Consultant specializing in Product Lifecycle Management (PLM). In this role, you will leverage your expertise to guide clients in optimizing their PLM processes, ensuring efficiency and innovation.

Mar 24, 2026

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Epic Owner (H/F)

Assystem

Full-time|On-site|Lyon

Nous vous invitons à rejoindre l’équipe dynamique dirigée par Carole, Responsable d’activités, en tant qu'Epic Owner (H/F). Vous aurez l'opportunité de jouer un rôle clé dans un projet stratégique de grande envergure au sein d'un environnement industriel exigeant.Gestion de projets EPICS : Vous serez responsable de la mise en place et de l'animation de la gouvernance, incluant la planification des réunions, le suivi des décisions et des plans d’actions. Vous assurerez également la représentation des métiers entre le chantier et le back-office.Suivi et reporting : Votre mission consistera à produire des reportings et des tableaux de bord pour suivre les actions, les échéances, et les risques, tout en coordonnant les différents contributeurs.Contributions aux projets digitaux : Vous participerez aux phases d’émergence, de cadrage et de développement selon le modèle MODEX, tout en contribuant à la priorisation des besoins métiers.Animation des échanges métiers/SI : Vous préparerez et animerez des ateliers avec les équipes métiers et la DSI, tout en recueillant et formalisant les besoins fonctionnels et les livrables associés.Interface avec la DSI : Vous instruirez et formaliserez les demandes du métier, tout en coordonnant les échanges avec les interlocuteurs.Recette et déploiement des solutions : Vous organiserez et participerez aux recettes fonctionnelles, devenant ainsi utilisateur référent de la solution et accompagnant le déploiement en production.Données, documentation et accompagnement au changement : Vous contribuerez à la mise à disposition des données nécessaires, mettrez à jour la documentation des processus, et accompagnerez les utilisateurs pour sécuriser l’adhésion des acteurs clés tout en diffusant les meilleures pratiques.Pourquoi rejoindre la communauté des Switchers ?Intégrez la communauté des Switchers et participez à une aventure digitale captivante au cœur de l'industrie nucléaire ! Plus de 55 ans d’expérience dans le nucléaire et classé parmi les trois premières entreprises d’ingénierie nucléaire. Engagez-vous dans des projets stimulants avec un réel impact sociétal. Bénéficiez de nombreuses opportunités de carrière, avec 70 % de nos managers issus de la promotion interne.

Feb 17, 2026

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Développeur Python H/F - Join Our Innovative Team

Assystem

Full-time|On-site|Lyon

Assystem is seeking a passionate and skilled Développeur Python to join our dynamic team in Lyon. In this role, you will be responsible for developing innovative software solutions that meet the needs of our diverse clientele. You'll work collaboratively in an agile environment, contributing to all stages of the software development lifecycle.

Jan 20, 2026

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Experienced Project Management Planner H/F

Assystem

Full-time|On-site|Lyon

Join Assystem as a seasoned Project Management Planner (H/F) in Lyon. In this pivotal role, you will be responsible for overseeing project planning, ensuring timelines, resources, and budgets align with organizational goals. Your expertise will guide project teams in delivering high-quality results while enhancing operational efficiency.

Feb 11, 2026

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Project Management Engineer / PMO (H/F)

Assystem

Full-time|On-site|Lyon

Join Assystem as a Project Management Engineer (PMO) where you will play a pivotal role in overseeing project strategies and ensuring successful execution. You will collaborate with cross-functional teams, manage timelines, and facilitate communication between stakeholders to drive project success.

Feb 11, 2026

PMO Lead / Team Leader PMO H/F

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