Expert Active Directory (H/F) - CDI

About the Position

Expert Active Directory (H/F) - CDI

• Contract Type: Permanent
• Region: Île-de-France
• Salary: EUR 60,000 - EUR 80,000 per year

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About the Company

Alten, a European leader in engineering and technology consulting, is seeking an Expert Active Directory (H/F) to join its teams in Île-de-France and work with major clients.

With over 53,000 employees worldwide, Alten helps companies secure and optimize their critical infrastructures. You will be at the heart of identity and access issues, working on complex and hybrid environments.

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Responsibilities

💻 Technical Environment

You will work on advanced Active Directory infrastructures, including:

• Active Directory: Multi-forests, hybridation with Azure AD, domain migration.
• Security: GPO, RBAC, audits, Conditional Access, MFA.
• IAM Integration: Okta, Ping Identity, SailPoint.
• Management Tools: PowerShell, ADFS, Azure AD Connect.
• Monitoring: SCOM, Azure Monitor, logging tools.

🎯 Main Missions

• Design and administer complex Active Directory infrastructures.
• Migrate and consolidate domains and forests.
• Secure directories (GPO, audits, compliance).
• Hybridize AD with Azure AD for cloud environments.
• Resolve critical incidents (replication, authentication).
• Train teams on AD best practices.

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Requirements

🔍 Profile Sought

• Degree in engineering or Master's 2 in computer science/systems.
• Minimum 9 years of experience in Active Directory administration.
• Expertise in AD/Azure AD migration, securing, and hybridizing.
• Proficiency in PowerShell, ADFS, and monitoring tools.
• Professional English for international assignments.
• Rigor and ability to manage critical environments.

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We Offer

• Competitive salary
• Permanent contract
• Opportunity to work with major clients

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