Comet

Contractor job Architecte Microsoft 365 / Digital Workplace (H/F) – Mission freelance

Ile-de-France

Comet

Job position

Contractor
As soon as possible
1 year
400-650 €
5 to 10 years experience
Hybrid
Ile-de-France, France
Published on 04/02/2026

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Dans le cadre d’un programme de transformation Digital Workplace d’envergure internationale, nous recherchons un(e) Architecte Microsoft 365 pour intervenir au sein d’une équipe centrale IT, en environnement complexe et multi-entités.

Contexte de la mission

Vous intégrerez une équipe Digital Workplace en charge de la définition, de l’évolution et de la gouvernance des services collaboratifs Microsoft 365 pour plusieurs dizaines de milliers d’utilisateurs, dans un contexte international.

Missions principales
  • Définir et faire évoluer l’architecture cible des services Microsoft 365 (Teams, SharePoint, OneDrive, Outlook, Copilot…)

  • Garantir la cohérence, la sécurité, la performance et la conformité de l’écosystème M365

  • Contribuer aux stratégies d’optimisation du stockage (lifecycle des sites, gouvernance, modèles économiques)

  • Valider les intégrations techniques (add-ins, API, connecteurs, Service Principals)

  • Participer à la gouvernance et au déploiement des usages Microsoft 365 Copilot et des Copilot Agents

  • Contribuer au développement et à l’évolution d’outils Power Platform (Power Apps)

  • Apporter un support de niveau expert (N4) sur des incidents complexes

  • Collaborer étroitement avec les équipes Sécurité, Adoption, Support, Service Owners et IT locaux

  • Documenter les architectures, décisions techniques et bonnes pratiques

  • Participer à la montée en compétences des équipes techniques

Candidate profile

  • Architecture IT : expert

  • Microsoft 365 (Teams, SharePoint, OneDrive, Outlook) : avancé à expert

  • Microsoft 365 Copilot & Copilot Studio : expert

  • Microsoft Azure : expert

  • Entra ID (Azure AD) : confirmé

  • Power Platform / Power Apps : expert

  • Purview (MIP, DLP, conformité) : avancé

  • Power BI : avancé

Environnement
  • Mission à dominante remote, avec présence ponctuelle en région parisienne

  • Contexte international – anglais professionnel requis (français courant)

Paris, France
20 - 99 employees
Start-up
Comet, the agile talent ecosystem. We match our pool of over 50000 motivated and available, qualified and active tech freelancers, with company missions. Our goal is to satisfy both sides: relevant and prompt skills for companies, security and inspiring projects for freelancers. Comet’s freelance talent community comes highly motivated, because they choose the projects on which they work. We screen and evaluate the best tech and data talents to build an elite community. Powered by AI in order to intelligently detect, qualify and match a contingent workforce with corporate projects, to enhance and simplify user experience. With clients such as L’Oréal, Les Mousquetaires, Allianz, Pernod Ricard, Total -a client base that makes up 35% of the CAC40, we're the agile workforce for the digital age. To confront today's digitally-disrupted global marketplace and cater to the hyper-connected consumer of tomorrow, true agility is required. Technology alone is not enough, it is through the human that real transformation can be sustained. The technology is available and the consumer is ready. Comet provides the missing part: the people. We are 50+ in the team today, and are looking for amazing talents to join us! Our headquarters is in the hearts of Paris, Lyon, Lille and Nantes.

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Architecte Microsoft 365 / Digital Workplace (H/F) – Mission freelance

Comet

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