
Administer and support on‑premises Active Directory environments, including domains, forests, trusts, DNS, Group Policy, and domain controllers.
Manage and support Microsoft Entra ID in a hybrid identity configuration, integrated with on‑prem AD.
Operate and maintain directory synchronization and identity flows between AD and Entra ID (e.g., users, groups, devices, and service accounts).
Troubleshoot hybrid authentication, identity replication, and access issues across on‑prem and cloud resources.
Support identity services required for Microsoft 365, cloud‑hosted applications, and enterprise platforms.
Administer Entra ID users, groups, roles, and administrative access.
Support Conditional Access technical configurations in alignment with Cybersecurity requirements.
Implement and maintain authentication methods (e.g., password policies, MFA enforcement as defined by Cyber).
Support device identity and registration models (hybrid join, cloud join, and directory‑integrated authentication).
Assist with access governance features such as access reviews, lifecycle controls, and role scoping (as defined by Cyber standards).
Support Entra‑integrated applications and enterprise authentication models.
Support Active Directory usage across corporate IT systems and OT / manufacturing environments, ensuring authentication and authorization services meet operational needs without impacting plant uptime, safety, or availability.
Support segmentation and security boundaries between IT and OT identity workloads where required.
Implement IAM controls and technical configurations aligned with Cybersecurity’s identity and access management strategy.
Remediate IAM‑related compliance gaps identified through audits, security assessments, or Cyber reviews.
Support privileged access controls, directory security hardening, and authentication standards.
Assist in providing technical evidence and validation for audits and compliance requirements.
Perform user, group, device, and service account lifecycle management across AD and Entra ID.
Ensure directory hygiene through regular review and remediation of stale, orphaned, or misconfigured identities.
Support integrations between identity platforms and enterprise applications, infrastructure, and cloud services.
Participate in change management activities related to identity enhancements, upgrades, and operational improvements.
Basic requirements
Preferred Qualifications

Founded in 1860, Carmeuse is a Belgian-headquartered international leading manufacturer of lime, limestone and mineral-based products used in a variety of industrial, construction, soil improvement applications, and benefitting the environment by providing cleaner air and safer water. Carmeuse and its subsidiaries also offer equipment and services to optimize its customers’ processes, improve safety, provide reliable supply and lower CO2 emissions. Carmeuse has around 5,300 employees and serves over 13,000 customers through 59 plants and 55 quarries in Europe, North America, South America, Africa, Middle-East and Asia, generating a consolidated turnover of about €2 billion.