Senior Microsoft365 Platform Engineer

Location: Paris

Time Type: Full time

Job Description

Title:

Senior Microsoft365 Platform Engineer

Company:

Ipsen Pharma (SAS)

 

About Ipsen:

Ipsen is a mid-sized global biopharmaceutical company with a focus on transformative medicines in three therapeutic areas: Oncology, Rare Disease and Neuroscience. Supported by nearly 100 years of development experience, with global hubs in the U.S., France and the U.K, we tackle areas of high unmet medical need through research and innovation.

 Our passionate teams in more than 40 countries are focused on what matters and endeavor every day to bring medicines to patients in 88 countries. We build a workplace that champions human-centric leadership and fosters a culture of collaboration, excellence and impact. At Ipsen, every individual is empowered to be their true selves, grow and thrive alongside the company’s success. Join us on our journey towards sustainable growth, creating real impact on patients and society!

For more information, visit us at https://www.ipsen.com/ and follow our latest news on LinkedIn and Instagram.

Job Description:

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.

Nous nous engageons à créer un lieu de travail où chacun se sent écouté, valorisé et soutenu, où nous incarnons « The Real Us*». La valeur que nous accordons aux différentes perspectives et expériences motive notre engagement en faveur de l'inclusion et de l'égalité des chances. Lorsque nous intégrons des modes de pensée diversifiés, nous prenons des décisions plus réfléchies et découvrons des solutions plus innovantes. Ensemble, nous nous efforçons de mieux comprendre les communautés que nous servons. Cela signifie que nous voulons également vous aider à donner le meilleur de vous-même lorsque vous postulez à un poste chez nous. Si vous avez besoin d'aménagements ou d'aide pendant le processus de candidature, veuillez en informer l'équipe de recrutement. Ces informations seront traitées avec soin et n'auront aucune incidence sur le résultat de votre candidature. *Soyons nous-même