Description

AD ArchitectWe are seeking a Senior / Expert Active Directory Specialist to own the design, security, and continuous evolution of our global Active Directory landscape across separated IT and OT domains.AD ArchitectJob description:Design, operate, and continuously improve complex, multi-domain Active Directory environments in a global enterprise setup.Architect and manage clearly separated IT and OT domains, ensuring secure segmentation and controlled trust relationships.Guide and mentor system engineers in secure Active Directory design, operational best practices, and privileged access management.Further develop and enforce the Active Directory Tiering Model, including privileged access concepts and administrative boundary protection.Lead remediation of security findings within existing domains, ensuring sustainable corrective measures and audit readiness.Implement and maintain AD hardening standards aligned with cybersecurity frameworks and internal policies.Ensure high availability, disaster recovery capability, and performance optimization of directory services.Oversee Group Policy design, replication health, DNS integration, and authentication services.Support hybrid identity integration (e.g., Entra ID / Azure AD) where applicable.Act as highest escalation level for complex AD incidents and security-related events.Collaborate closely with Cybersecurity, Infrastructure, and OT teams globally.Support internal and external audits in a regulated (GxP) environment.About the customer:Contract: 6 months (high possibility to Extension)Location: Basel-Country, 2 days Home OfficeSkills: Active Directory, IT, OT, Architecture.Requirements:5+ years of hands-on experience in enterprise Active Directory environments.Proven experience designing and operating segregated IT and OT domains in complex organizations.Strong expertise in:AD security hardening and remediationTiering models and privileged access strategiesMulti-forest/domain architectureGroup Policy and authentication protocolsExperience managing remediation programs for security findings in large environments.Strong understanding of cybersecurity principles and risk mitigation in regulated industries.Structured, documentation-driven working style with audit readiness mindset.Experience in pharmaceutical, biotech, manufacturing, or other regulated industries.Fluent in English; German is beneficial.Due to regulatory requirements, only candidates holding Swiss or EU/EFTA citizenship can be considered for this position. jid4a76ef6a jit0209a jiy26a