Détail du poste
Ipsen is strengthening its Global Digital & IT Operations (OneOps) to enhance the performance, security, and governance of its collaboration platforms. We are looking for a Senior Microsoft 365 Platform Engineer to design, operate, and continuously improve Ipsen's Microsoft 365 ecosystem at scale.
In this role, you will act as a hands-on technical expert and platform owner, ensuring that collaboration and productivity services (Exchange Online, Teams, SharePoint, OneDrive, Power Platform, Copilot) are secure, compliant, and aligned with enterprise standards.
You will play a key role in bridging security, identity, infrastructure, and digital workplace teams, while enabling new capabilities such as Microsoft 365 Copilot in a controlled and compliant way.
Your key responsibilities
- Design and evolve the Microsoft 365 platform architecture across all core services.
- Act as the L3 technical expert, handling complex incidents, troubleshooting, and root cause analysis.
- Ensure platform reliability, performance, and operational excellence through monitoring, automation, and KPIs.
- Implement and enforce governance, security, and compliance policies (Purview, DLP, data lifecycle, access control).
- Prepare and secure the Microsoft 365 environment for Copilot deployment and adoption.
- Automate platform operations using PowerShell, Microsoft Graph, and CI/CD practices.
- Collaborate with security, infrastructure, identity, and digital workplace teams to ensure alignment.
- Drive continuous improvement and reduce dependency on external partners through internal expertise and industrialization.
Your profile & expertise
- 5+ years of experience in Microsoft 365 platform engineering or administration.
- Strong hands-on expertise across Exchange Online, Teams, SharePoint, OneDrive, Power Platform, and Copilot.
- Experience in platform governance, security, and compliance (Purview, DLP, retention, audit).
- Strong scripting and automation skills (PowerShell, Microsoft Graph).
- Experience managing complex incidents and L3 support activities.
- Good understanding of identity, security, and cloud environments.
- Ability to work in cross-functional and international environments.
- Strong analytical and problem-solving mindset.
- Fluent in English and French.
Why join Ipsen?
- A key role managing a critical enterprise collaboration platform at scale.
- Opportunity to work on cutting-edge topics such as Microsoft Copilot and AI-enabled workplace.
- Strong exposure to security, compliance, and cloud governance challenges.
- A collaborative and international environment focused on innovation and operational excellence.
L'entreprise
Ipsen est un groupe biopharmaceutique mondial spécialisé dans le développement de médicaments innovants en oncologie, en neurosciences et dans les maladies rares.
Fondé à Dreux (Eure et Loir) en 1929, Ipsen a une présence importance en France avec son hub mondial à Paris, regroupant le siège social, la filiale commerciale française, et les activités de recherche et développement, ainsi qu'un site de développement pharmaceutique à Dreux (Eure-et-Loir) et un site de production à Signes (Var).
Nos équipes passionnées, présentes dans plus de 40 pays, se concentrent sur l'essentiel et s'efforcent chaque jour d'apporter des médicaments aux patients dans 88 pays. Nous construisons un environnement de travail qui met en avant un leadership centré sur l'humain et favorise une culture de collaboration, d'excellence et d'impact. Au sein d'Ipsen, chaque individu est encouragé à être soi-même, à grandir et à s'épanouir aux côtés du succès de l'entreprise. Rejoignez-nous dans notre démarche vers une croissance durable, en créant un impact réel sur les patients et la société.
Pour plus d'informations, visitez notre site web à l'adresse https://www.ipsen.com et suivez nos dernières actualités sur LinkedIn et Instagram.
Publiée le 07/05/2026 - Réf : 323778
