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Messaging Administrator (with French)

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Your role

You manage and enhance our messaging and collaboration environment, ensuring secure, reliable communication across the organization. You design, implement, and support solutions spanning Exchange (on‑prem and hybrid) and Microsoft 365 tools, helping employees collaborate efficiently from anywhere. By maintaining strong security, optimizing mail flow, and resolving complex issues, you play a key role in keeping our digital workplace connected, protected, and running smoothly.

Your tasks

  • Manage messaging environments including Exchange 2016/2019, Exchange Online (Hybrid), Microsoft Defender, and Proofpoint.
  • Implement and administer messaging, archiving, and security solutions.
  • Configure and secure mail flow (transport rules, connectors, routing).Manage DNS records related to messaging (MX, SPF, DKIM, DMARC).
  • Administer and tune Microsoft Defender for Office 365 policies.
  • Provide Level 2 support for escalated messaging and collaboration issues.
  • Maintain documentation, configurations, policies, and troubleshooting guides.
  • Ensure integration and support of Microsoft 365 tools such as Exchange Online, SharePoint, and Teams.

Your profile

  • 2+ years of experience managing messaging environments.Knowledge of Exchange 2016/2019, Exchange Online (Hybrid), Microsoft Defender for Office 365, and Proofpoint.
  • Understanding of Microsoft 365 collaboration tools (SharePoint, Teams).
  • Experience with mail flow configuration and DNS management for messaging services.
  • Strong troubleshooting skills for resolving complex technical issues.
  • Ability to collaborate and communicate effectively with technical and non‑technical teams.

What You'll love about working here

  • Well-being culture: medical care with Medicover, private life insurance, and Sports card. But we went one step further by creating our own Capgemini Helpline offering therapeutical support if needed and the educational podcast "Let's talk about wellbeing" which you can listen to on Spotify.
  • Access to over 70 training tracks with certification opportunities (e.g., GenAI, Excel, Business Analysis, Project Management) on our NEXT platform. Dive into a world of knowledge with free access to Education First languages platform, TED Talks and Udemy Business materials and trainings.
  • Continuous feedback and ongoing performance discussions thanks to our performance management tool GetSuccess supported by a transparent performance management policy.
  • Enjoy hybrid working model that fits your life - after completing onboarding, connect work from a modern office with ergonomic work from home, thanks to home office package (including laptop, monitor, and chair). Ask your recruiter about the details.

Get to know us

Capgemini is committed to diversity and inclusion, ensuring fairness in all employment practices. We evaluate individuals based on qualifications and performance, not personal characteristics, striving to create a workplace where everyone can succeed and feel valued.

Do you want to get to know us better? Check our Instagram — @capgeminipl or visit our Facebook profile — Capgemini Polska. You can also find us on YouTube. 

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations.

Ref. code:  486661
Posted on:  22 May 2026
Experience Level:  Experienced Professionals
Contract Type:  Permanent
Location: 

Katowice, PL

Brand:  Capgemini
Professional Community:  Cloud Infrastructure Management

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