System Engineer - Core Infrastructure

We are looking for a System Engineer with Core Infrastructure knowledge to join our IT Infrastructure team in Frankfurt. The role focuses on the operation, administration, and reliability of Microsoft based enterprise infrastructure, with particular emphasis on Active Directory, Group Policy, virtualization, and core Windows services. The position is intended for an experienced, hands-on infrastructure engineer who can operate systems independently within established frameworks and processes, while ensuring secure, compliant, and stable operations in a BaFin-regulated environment., * Operate and maintain core IT infrastructure services ensuring availability, stability, and performance

• Independently handle day-to-day operational tasks within defined standards and procedures
• Analyze and resolve infrastructure incidents, contributing to root cause analysis
• Execute approved changes in line with formal change management processes
• Participate in on-call rotation (if applicable)
• Maintain accurate technical and operational documentation

Active Directory & Identity Management

• Administration of Microsoft Active Directory (on-premises): users, groups, computers, and Organizational Units.
• Implementation, maintenance, and troubleshooting of Group Policy Objects
• Resolve authentication, replication, and directory service issues
• Support identity lifecycle management (joiners, movers, leavers)
• Exposure to Microsoft Entra ID (Azure AD) and hybrid identity environments is appreciated

Virtualization & Server Management

• Provisioning, operation, and lifecycle management of virtual machines
• Administration of Windows Server environments including configuration and hardening
• Monitor server performance, resource utilization, and capacity
• Experience with Hyper-V virtualization is highly appreciated

DNS & Core Infrastructure Services

• Administration and troubleshooting of DNS services
• Support core Microsoft infrastructure services such as certificates coming from internal AD CS
• Ensure stable integration between directory services, DNS, and network components

Email & Messaging Platforms

• Operation and support of enterprise email platforms (on-premises Exchange and/or Exchange Online)
• Troubleshoot mail flow, access issues, and mailbox-related incidents
• Support controlled operational changes while maintaining availability and compliance

Security, Patching & Regulatory Compliance

• Execute Windows Server patching activities in defined maintenance windows
• Apply system hardening measures and baseline security configurations
• Support vulnerability remediation in collaboration with security teams
• Ensure compliance with BaFin-relevant requirements such as auditability and access control

• Solid hands-on experience with Active Directory
• Practical experience managing Group Policies
• Good knowledge of Windows Server administration
• Experience managing virtual machines
• Strong understanding of DNS and core Microsoft infrastructure services
• Strong PowerShell scripting for administration and automation
• 3-5 years of professional experience in a System Engineer or Infrastructure Engineer role
• Experience supporting enterprise IT environments
• Degree in Information Technology, Computer Science, or equivalent professional experience
• German - professional working proficiency (required)
• English - professional working proficiency (required), * Experience with Hyper-V virtualization
• Exposure to Microsoft Entra ID (Azure AD) and hybrid identity models
• Experience with enterprise email platforms (Exchange Online or hybrid Exchange)
• Experience with infrastructure monitoring solutions such as SCOM, PRTG, or comparable platforms
• Experience working in financial services or regulated environments

• Extensive insight into the European fund industry
• Friendly, international and goal-oriented working environment
• High degree of independent work
• Interesting discounts
• Free Deutschland ticket
• Attractive home office arrangements and working time flexibility

Disclaimer for Recruitment Agencies: Universal Investment does not accept any CV's received from recruitment agencies with whom terms and conditions have not been agreed and will not consider unsolicited CV's or agree to pay any recruitment fee for them. This is applicable also for any CV that is submitted directly to our Hiring Managers. If you are interested in becoming one of our preferred recruitment suppliers in the future, please email career@universal-investment.com, and we will be glad to keep your details under consideration once our PSL is revised. Review for Universal-Investment-Gesellschaft mbH