We are looking for you to join our team in Hanover or from your home office as IT System Administrator Citrix/Windows (m/f/d) COMRAMO AG is a nationwide operating company in the IT industry. For 50 years, we have specialized in consulting and support for software applications, services as well as cloud and IT solutions. We host our customers' data in our own data center, which is one of the most modern and secure medium-sized data centers in Germany. We are a strong partner for innovative solutions in personnel management, HR management, IT services, financial solutions and project management. As an IT service provider, our customer base is just as diverse as the technologies we use for our products. Do you have a deep understanding of complex Windows and Citrix environments and want to actively work on secure, stable IT infrastructures? Your area of responsibility Design, administration and operation of highly available Windows server environments - with a focus on security and stability Provision and administration of highly available Citrix terminal server environments Development and introduction of company-wide IT standards and compliance with them Introduction of and compliance with IT standards and security concepts (e.g. BSI, ISO 2700x) Documentation of system landscapes and processes Close collaboration with other IT infrastructure teams in projects and during ongoing operations Error analysis and sustainable troubleshooting in IT operations Supporting the specialist departments in defining requirements Your profile Training as an IT specialist in system integration (m/f/d) or a comparable qualification/study in the IT field At least 5 years of professional experience in the administration of complex Windows and Citrix environments Experience with the administration of Windows domains and services in complex system environments Comprehensive knowledge of Citrix infrastructure, Citrix provisioning and ADC (Netscaler) Basic knowledge of Microsoft 365 (Azure, Entra, Exchange Online, Teams) Analytical, structured way of working and high quality awareness Very good language skills in German (C2 level) and basic English Amenities that make you happy! 12. off Internal and external training opportunities Varied company and team events Company health management Coffee bars on the floors and weekly fruit supply Bicycle leasing (BusinessBike) Sick pay allowance and capital-forming benefits Convenient location and much more get to know us and we'll show you what makes us special! We look forward to receiving your online application (please only send attachments as PDFs).