Expert Active Directory & Entra ID - DSI, Fab
About the job
- A BAC+5 qualification, ideally in the relevant field.
- Approximately ten years of experience, including at least five years as a systems expert or in project management/technical delivery.
- Experience with Microsoft Active Directory and Microsoft Entra ID.
- Strong oral and written communication, including the ability to write documents and processes.
- Ability to work autonomously, take initiative, collaborate across teams, provide service, and explain and advocate for technical solutions.
- A criminal record extract (Bulletin n°3) is requested to initiate hiring.
- Participation in an on-call rotation is required.
- Own the catalog of identity and access management solutions by defining technical solutions, writing service offerings, and recommending offerings in relation to internal clients.
- Lead and facilitate client relationships and the evolution roadmap for messaging and information-systems security services.
- Deliver evolution projects, including studies and detailed design, authoring high-level and low-level technical architecture documents, overseeing implementation, and managing the lifecycle.
- Maintain operational conditions for solutions in service.
- Advise and support production teams in integrating new information systems with the proposed solutions across cloud, SaaS, and on-premises environments.
- Experience with public key infrastructure (PKI) solutions.
- Experience with privileged access management bastion solutions.
About the company
RATP Group is a global public transport company that runs and maintains urban and suburban transit networks. It operates in 15 countries with 100 subsidiaries and 71,000 employees, serving about 12 million passengers daily. Its work spans design, project management, operation, and engineering of trains, metros, trams, and buses, along with ongoing maintenance to keep services running smoothly. The company uses its expertise to deliver reliable, safe, accessible, and well-informed travel experiences, and it pursues continuous service improvement and sustainability, aiming to expand internationally through major projects while meeting new passenger expectations.
Company Size
10,001+
Company Stage
N/A
Total Funding
N/A
Headquarters
Paris, France
Founded
1948
Get referred to RATP
See people who can refer or advise you
Simplify's Take
What believers are saying
- RATP Group plans 6,600 hires in 2026, including 3,500 in Ăle-de-France.
- Caen rail starts July 2027, adding nearly 20% of regional TER traffic.
- RATP's new security powers from March 2026 strengthen fare control and incident response.
What critics are saying
- Paris agents faced 1,303 assaults and 3,129 threats in 2025, worsening retention.
- Asheville riders reported 62% on-time performance, driving complaints, fines, and labor lawsuits.
- Competition is eroding moat: ComfortDelGro and others beat RATP Dev in international tenders.
What makes RATP unique
- RATP controls Paris mobility infrastructure, operations, and security across the Ăle-de-France network.
- RATP Dev wins long-duration tenders, including Caen rail in 2027 and Copenhagen Metro.
- RATP pilots autonomous buses on Paris line 393, gaining regulatory approval for France-wide testing.
Help us improve and share your feedback! Did you find this helpful?
Benefits
- Gym Membership