User and Access Management Operational Expert (f/m/d) @ A1 Competence Delivery Center

Strength. Care. Growth

A1 Competence Delivery Center is a vital component of A1’s telecommunications business. Acting as an expertise hub, CDC is dedicated to delivering a full range of high-quality IT, network, financial and other services to support A1’s operations across all OpCos, independent of location.

Using the power of being OneGroup and leveraging synergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’ enhancement, paired with job stability.

You will know we are the right place for you, if you are driven by:

• Opportunities to learn and build your career.
• Meaningful work in a stable and fast-paced company.
• Diversity of people, projects, and platforms.
• A supportive, fun, and inspiring place to work.

Role Overview:

As a UAM Operational Expert, you will play a key role in securing our IT landscape by ensuring that users have the right access to the right systems at the right time—particularly across UNIX/Linux environments, with a focus on IPA and related identity systems.
You will also support the implementation of standardized lifecycle processes such as Joiner-Mover-Leaver (JML) and contribute to the automation and compliance of our identity infrastructure.

Key Responsibilities:

• Manage and maintain identities and access rights across various systems (e.g., Active Directory, Linux/Unix, IPA)
• Implement and further develop Joiner-Mover-Leaver (JML) processes
• Analyze and optimize existing access management structures
• Troubleshoot access and permission issues in Linux/UNIX environments, Active Directory, and other applications.

What makes you unique:

• Experience in Access Management / Identity & Access Governance.
• Solid knowledge of UNIX/Linux systems.
• Hands-on experience with IPA, LDAP, or similar identity systems.
• Basic understanding of Active Directory and access control concepts.
• Ideally familiar with scripting (e.g., PowerShell).
• Structured working style and ability to document processes clearly.
• Fluent in English (German is a plus).

Nice to Have:

• Familiarity with IT ticketing systems (e.g., ServiceNow, Jira).
• Interest in IT security, compliance, and SOX.

Our gratitude for the job done will be eternal, but we’ll also offer you:

• Innovative technologies and platforms to work with.
• Modern working environment for your comfort.
• Friendly, ambitious, and motivated teammates to support each other.
• Thousands of online and in-person learning opportunities for you to grow.
• Challenging assignments and career development opportunities in multinational environment.
• Attractive compensation package.
• Hybrid working model.
• Numerous additional benefits, including, but not limited to free A1 services.