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September 20, 2026
IT Systems Administrator
Senior • On-site
39,000 - 58,000 EUR/yr
Lehrte, Germany
Apply now
Quick Facts
Role: IT Systems Administrator (m/w/d)
Description
You will analyze, maintain, and continuously improve the organization’s application landscape with a focus on scalability and security. You will ensure optimal software integration through efficient interface concepts and troubleshoot integration issues. You will also help shape IT projects for system architecture improvements and support data-management and BI use cases for business steering and AI readiness.
Responsibilities
Analyze, maintain, and further develop the application landscape with focus on scalability and security
Ensure optimal software integration; implement interface concepts; identify, analyze, and resolve incidents
Initiate and actively contribute to IT projects for advancing system architecture (new applications, updates)
Design and establish a modern data-management concept for AI readiness
Develop data-driven decision models and support BI use cases for corporate management
Support end users with application questions and further digitalization/automation of processes
Conduct trainings for users and colleagues on integrated systems
Create and continuously update technical documentation, especially for interfaces and integration processes
Coordinate and manage IT vendors and solution partners
Requirements
Degree in Informatics, Business Informatics, Mathematics, Physics, or a comparable qualification
Experience integrating enterprise software (cloud & on-prem)
Knowledge of relevant interface technologies and API design
Practical experience in IT project management
Applied knowledge of common programming languages
Analytical thinking; solution-oriented and structured working style
Teamwork and strong communication skills
Excellent German language skills (spoken and written)
Benefits
Responsible key position in a growing industry with room to shape your work
Short decision paths and a collegial working environment
Modern hardware and software
30 days of vacation
Permanent employment contract in a future-proof company
Long-term development perspective
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