(Senior) Windows Administrator (m/w/d)

About the Position

We are seeking a (Senior) Windows Administrator (m/w/d) for our team in Hamburg, specializing in managing Windows and hybrid infrastructures.

Responsibilities

• Analyze and resolve complex incidents and problems at the 3rd-Level, acting as the technical escalation point for 1st- and 2nd-Level support.
• Ensure stable and reliable operation of our Windows and hybrid infrastructures in a managed services environment.
• Develop and maintain Windows and hybrid architectures, including Active Directory landscapes with central services such as ADDS, DNS, and DHCP.
• Operate and optimize Microsoft Entra ID, role and permission models, and hybrid sync scenarios, implementing modern security and governance concepts.
• Implement security concepts such as MFA, Conditional Access, and PIM, conduct access reviews and permission checks, and ensure least-privilege and governance structures.
• Automate recurring operational tasks with PowerShell, Ansible/AWX, and playbooks, and continuously develop technical standards and operational processes.
• Create and maintain technical documentation to ensure knowledge remains transparent and processes function sustainably.
• Take technical responsibility in migrations and cloud projects, advising internal stakeholders on architectural questions, best practices, and sustainable solutions.

Requirements

• Several years of experience as a Windows Administrator in an enterprise environment, with proficiency in Windows Server, Active Directory, and hybrid Microsoft infrastructures.
• Familiarity with Microsoft Entra ID, Azure AD, and Microsoft 365, with the ability to structure complex identity, permission, and infrastructure topics.
• Comfortable in 3rd-Level support, analyzing technical problems confidently, and finding pragmatic, sustainable solutions even for complex issues.
• Ability to work independently, think beyond mere operation, and enjoy actively developing architectures, standards, and processes.
• Plus points if you have experience with Azure topics (VMs, networks, identity), security concepts (Conditional Access, PIM), and automation with PowerShell, Ansible, or similar tools.
• Confident communication skills in German, both in technical discussions and documentation.

Nice to Have

• Experience with Azure
• Knowledge of Conditional Access
• Familiarity with PIM
• Skills in PowerShell
• Experience with Ansible

We Offer

• Flexible working hours
• Hybrid working model (alternating between office and home office)
• 30 days of vacation
• Continuous professional development opportunities

About the Company

The AKQUINET Group is one of the leading companies in the IT industry, bringing together around 900 dedicated experts in more than 20 companies. With innovative IT solutions, we support companies in mastering the challenges of the digital world.

akquinet outsourcing gGmbH, founded in 2004, developed the idea of offering people with disabilities a long-term and qualified workplace. This led to the unique concept of running data centers and associated services as an inclusion company.

At akquinet, people with and without disabilities work together successfully and support companies with innovative IT solutions to meet the challenges of the digital world.

We are looking for motivated future team members. Apply even if you do not meet all the requirements or have a disability. We believe that every person has valuable talents and skills and focus on these. Together, we will shape your working environment, recognizing and promoting your interests, resources, and knowledge.

Are you ready to master a wide range of technical challenges with us?

We look forward to hearing from you!

Have questions? Feel free to contact us beforehand.

Contact Information

• Inga Krause

  • Inclusion Officer
  • +49 40 88173-5253

• Meike Schmidt

  • AKQUINET Recruiting
  • +49 40 88173-1315

Apply now for this exciting opportunity.