Microsoft 365 Engineer & Project Manager

October 9, 2026

Office

Senior

Gentilly

Indeed

May rule you out

Office-only work

Worth knowing

English is required

Description

The IT department is hiring a hybrid Microsoft 365 engineer and project manager on a permanent contract in Île-de-France. The role combines technical ownership of the Microsoft 365, Entra ID and Azure platform with project leadership, security, governance and adoption of collaborative tools. The person acts as level 3 technical expert and business-facing project contact, reporting to the Infrastructure Manager / CISO.

Responsibilities

Maintain and evolve the Microsoft 365, Teams and Entra ID architecture (tenant, identity, collaboration, security)
Design and implement technical evolutions, including related Azure components (identity, networking, automation)
Ensure Microsoft best practices (Zero Trust, Well-Architected Framework)
Rationalize configurations, automate recurring tasks and keep up with technology trends
Administer Microsoft 365 services: Entra ID, Exchange Online, Teams, SharePoint, Intune
Operate Azure resources in scope: subscriptions, RBAC, virtual machines, networking, backup, monitoring
Maintain operational readiness and handle complex level 3 incidents together with IT support
Apply and strengthen security policies (MFA, conditional access, PIM, DLP, Microsoft Defender) and contribute to group compliance (RGPD, NIS2, ISO, pharmaceutical requirements)
Lead platform and infrastructure projects: requirements scoping, planning, milestones, dependencies and blockers
Coordinate internal and external stakeholders, run progress meetings and steering committees
Validate deliverables, ensure production rollout and transition to run (documentation, monitoring, knowledge transfer)
Track associated budgets and decisions (notably Azure) and raise necessary alerts
Run adoption of collaborative tools related to Teams and associated events (webinars)
Support business units and subsidiaries in their digital projects and in adopting the tools
Contribute to spreading AI usage in connection with the AI Department
Produce and maintain technical and functional documentation and transfer skills to IT teams
Enforce M365 and Azure governance rules: team and group lifecycle, naming rules, resource tagging, standard templates
Prevent usage drift and shadow IT
Track KPIs and SLAs and provide regular reporting to the DSI
Manage M365 licenses and drive Azure costs with a FinOps approach

Requirements

Bachelor's or Master's degree (Bac+3/+5) in computer science
At least 7 years of experience in Microsoft 365 and Azure environments, including significant project management experience, ideally in an international context
Deep mastery of Microsoft 365 with confirmed expertise in Teams, Entra ID, Intune and SharePoint
Solid Microsoft Azure experience: subscription governance, RBAC, networking (VNet, NSG, VPN/ExpressRoute), virtual machines, Azure Backup, Azure Monitor / Log Analytics
Knowledge of Infrastructure as Code (Bicep, ARM or Terraform) and deployment pipelines (Azure DevOps, Git)
PowerShell scripting and automation (Azure Automation, Microsoft Graph API)
Ability to leverage AI technologies, notably Microsoft Copilot, to drive adoption of new uses
An Azure certification (AZ-104, AZ-305) or M365 (MS-102) is a plus
Fluent professional English for regular exchanges with subsidiaries
Project management experience: scoping, planning, coordination of internal stakeholders and external vendors, budget tracking
Strong interpersonal skills and appetite for facilitating, training and convincing
Ability to explain technical topics to all levels, both in writing and orally
Proactivity: identifying business issues and providing concrete solutions
Autonomy, sense of responsibility and respect for commitments
Adherence to Agile principles and practices
Plus: change management awareness and first experience in a pharmaceutical context (GxP, compliance)

Conditions

Permanent contract (CDI) based in Île-de-France, headquarters in Gentilly
Key and visible role within the DSI, at the crossroads of technology and project management
Broad scope: Microsoft 365 / Teams / Azure platform, security, infrastructure projects and usage adoption
Supportive and skilled team that values innovation and sharing best practices
Continuous training opportunities on Azure, Microsoft 365, AI and project management
Real latitude to innovate and carry impactful digital initiatives

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