M365 Architect F/M

The Role

Microsoft 365 (M365) is the Group’s common collaboration platform, serving all Operating Companies within an international and decentralized model. In a context of rapidly evolving ways of working (hybrid work, cross‑entity collaboration, security, compliance, delegation, and multi‑entity governance), the M365 Architect act as the technical guardian of the Microsoft 365 platform , defining, designing, validating, and continuously evolving its architecture.

The role aims to strike the right balance between technical and functional innovation , security constraints , and business risk , in close collaboration with Cybersecurity teams, while supporting project and run teams with expert guidance and technical challenge.

Key Responsibilities

1) Platform Architecture & Technical Standards

• Define, maintain, and evolve the target Microsoft 365 architecture (services, configurations, integrations, security).
• Establish and maintain architectural principles, standards, and design patterns for the platform.
• Ensure global technical consistency and control technical debt.
• Anticipate and assess the impact of Microsoft roadmap and platform evolutions.

2) Technical Expertise & Solution Review

• Act as the technical reference for Microsoft 365 across projects and run activities.
• Review, challenge, and validate technical solutions proposed by project and operations teams.
• Ensure solutions are secure, scalable, maintainable, and aligned with architectural standards.
• Support complex or cross‑functional technical topics and decision‑making.

3) Continuous Evolution & Controlled Innovation

• Analyze new Microsoft 365 features and technical evolutions.
• Assess their relevance, value, and risks for the organization.

4) Security, Risk & Compliance Alignment

• Work in close partnership with Cybersecurity teams to assess and mitigate technical and business risks.
• Define and implement security guardrails, controls, and architectural protections.
• Ensure platform compliance with Group security, governance, and regulatory requirements.
• Contribute to risk assessments related to platform changes and innovations.

5) Operational Support & Continuous Improvement

• Support Run teams on major incidents, structural issues, and complex technical root causes.
• Participate in post‑incident reviews and define remediation and improvement actions.
• Contribute to improving platform reliability, performance, resilience, and maintainability.

The Experience You Bring

• M365 Platform Technical Expertise: 5+ years managing a Microsoft 365 platform for a large group in an international environment.
• Leadership: Proven experience influencing and leading technical internal & external teams to align with business roadmaps and governance policies.
• Global Mindset: Ability to work effectively with decentralized teams dispersed across multiple international locations.
• Implementation Track Record: Experience with M365 Managed Services and Adoption implementations and managing global external service providers.
• Communication: Strong verbal and written communication skills; fluent in English and French. Spanish is a plus.

Work Mode & Location

• Hybrid: 3 days in Paris (8ème) after the trial period.

Benefits that await you

• 75% reimbursement of monthly or annual transport pass.
• Swile Ticket restaurant card.
• Gym exclusively reserved for company employees free of charge.
• Sustainable mobility package.
• Health insurance & Welfare.
• Employee Savings Plan & Profit Sharing Bonus.