IT Infrastructure - Directory Specialist

AT&S is a leading global manufacturer of high-end IC substrates and printed circuit boards. AT&S industrializes leading-edge technologies for its core business segments Mobile Devices & Substrates, Automotive & Aerospace, Industrial and Medical and high-performance computing for AI applications. We are looking for talent eager to shape the future of our interconnected world. With plants in Austria, China, India, Malaysia and sales offices around the globe, we offer excellent career opportunities for creators, innovators and enablers with the drive to make a difference.

To enhance our successful IT Team at the Headquarters in Leoben, we are looking for a passionate

IT Infrastructure - Directory Specialist

Secure and manage identity services for global operations.

As an IT Directory Specialist, you will be responsible for managing and securing core IT services, including Active Directory, Entra ID (Azure AD), Public Key Infrastructure (PKI), and Asset Management. You will ensure stability, security, and compliance of identity and access management systems, certificate services, and IT asset lifecycle processes. This role involves proactive maintenance, incident resolution, and close collaboration with global IT teams to support business-critical operations

• Identity & Access Management
• Operate and maintain identity and access management (IAM) services for designated compliance environments
• Administer Active Directory, Azure AD, and LDAP including user lifecycle, groups, roles, and access rights
• Implement and enforce least-privilege and role-based access control (RBAC)
• Manage authentication mechanisms such as MFA, certificates, and privileged access
• Cooperate with Security, Compliance, and Audit teams on access reviews and remediation actions
• Document identity processes, standards, and operating procedures

• Degree in IT, Computer Science, or comparable experience
• Proven experience in a similar position
• Strong hands-on experience with Active Directory and enterprise IAM
• Experience in regulated environments (ISO 27001, NIST, SOX, or similar)
• Understanding of access governance, identity lifecycle, and security best practices
• Structured, reliable, and security-oriented mindset
• Fluent in English; German is a plus

• A meaningful role with opportunities for long-term growth in an international environment
• Chance to actively contribute to AT&S' success and to create value
• A structured and tailor-made onboarding program along with continual training opportunities
• Modern company canteen with freshly prepared meals every day
• Free parking spaces and e-charging stations
• Diverse health measures and a wide range of employee benefits

AT&S is an equal opportunity employer. We embrace diversity and are dedicated to empowering people to reach their potential by fostering their unique talents and strengths. The employment is in accordance with the Austrian Collective Agreement for the Electrical and Electronics Industry ( ), employment group E-F, and we offer competitive salaries and additional benefits based on your performance, experience and qualification.

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