System Engineer - IT Infrastructure

We are currently looking for a hands-on IT System Engineer to join our Operations, Compute & Storage Team within UI Information Technologies GmbH to support the daily operation, stability, and continuous improvement of our enterprise IT infrastructure in Frankfurt. This is a strongly operational role focused on ensuring high availability, reliable backup operations, and stable storage and virtualization platforms within a regulated environment.

Your tasks and responsibilities:

• Infrastructure Operations & Support
• Ensure smooth day-to-day operation of server, storage, backup, and virtualization platforms
• Provide 2nd and 3rd level support for infrastructure-related incidents and service requests
• Perform root cause analysis and implement sustainable solutions
• Participate in on-call rotation (if applicable)
• Maintain technical documentation and operational procedures

Microsoft Server Administration

• Administration of Windows Server environments including:
• File services and permissions management
• Execution of patch management cycles and security hardening
• System monitoring and performance optimization
• Daily operational management of NetApp ONTAP storage systems (FAS/AFF)
• Provisioning and support of aggregates, volumes, LUNs, CIFS/NFS shares
• Monitoring storage performance, capacity, and system health
• Management of Snapshot technologies and replication (SnapMirror/SnapVault)
• Troubleshooting performance and connectivity issues (FC / iSCSI)
• Ensuring storage high availability and replication consistency
• Coordination with the storage vendor for firmware upgrades, hardware lifecycle activities, and maintenance windows
• Post-maintenance validation and operational acceptance
• Capacity planning and documentation

Commvault Backup & Recovery

• Daily monitoring of Commvault backup operations and proactive resolution of failures
• Administration of backup policies, schedules, retention rules, and storage policies
• Management of backups for:
• Virtual machines (VMware / Hyper‑V)
• Physical Windows servers
• Execution of restore operations (file-level, VM-level, granular restores)
• Regular verification of backup integrity and recovery readiness
• Participation in Disaster Recovery testing
• Reporting and documentation for compliance and audit purposes
• Operational support of VMware vSphere and/or Hyper‑V environments
• VM provisioning, lifecycle management, and performance monitoring
• Support of High Availability and replication mechanisms

ITIL & Regulated Environment

• Work within ITIL-based processes (Incident, Problem, Change Management)
• Support audit requirements and documentation standards
• Ensure compliance with internal policies and regulatory expectations
• Experience in financial services or other regulated environments is considered an asset

Your skills and experience:

• Degree in Computer Science, Information Technology, Engineering, or a comparable qualification
• Alternatively, completed vocational IT training (e.g., Fachinformatiker) with relevant professional experience

Professional Experience

• Minimum 5+ years of professional experience in IT infrastructure / system engineering roles
• Proven experience in operational support of enterprise environments

Technical Skills

Strong hands-on expertise with:

• Microsoft Windows Server
• Commvault backup
• VMware and/or Hyper‑V
• Experience supporting production and high-availability environments
• Familiarity with ITIL service management

Languages

• Fluent in English and German (both written and spoken) – mandatory

Personal Skills

• Structured, service-oriented, and reliable working style
• Strong analytical and troubleshooting skills
• Ability to work in a regulated and process-driven environment

What we offer:

• An exciting working environment and challenging tasks
• Extensive insight into the European fund industry
• Friendly, international and goal-oriented working environment
• High degree of independent work
• Attractive home office arrangements and working time flexibility