IT System Administrator (m/f/d) Heusenstamm Full-time Immediate start Permanent position Salary range: €47,000 to €55,000 As an established, owner-managed IT service provider in Heusenstamm near Frankfurt, we have been supporting demanding client environments for over 30 years. With us, you won’t just be doing routine support work—you’ll be taking on independent responsibility for mature IT infrastructures, with direct client contact, technical freedom, and quick decision-making processes. Our team combines technical IT expertise with a genuine passion for technology, a pragmatic, solution-oriented approach, and collaboration on equal footing. That is exactly why we are looking for an IT System Administrator (m/f/d). You will work directly on-site as part of the team—this is intentional and part of our work culture. Remote work is not an option for this position. Responsibilities: Planning, implementation, and independent administration of IT infrastructures in the Windows Server environment Support and further development of Microsoft 365 environments for our SME clients Administration and optimization of virtualization platforms Design, implementation, and monitoring of backup strategies Configuration and maintenance of network components (including VLANs, firewalls) Analysis and sustainable resolution of issues at the 2nd and 3rd levels (remotely and occasionally on-site) Technical consulting for our clients on infrastructure and security issues Documentation and structured further development of existing system landscapes Job Requirements: Required: At least 3 years of professional experience in the administration of IT infrastructures Business-level proficiency in written and spoken German (minimum C2 level) due to direct customer communication Completed vocational training as an IT specialist for system integration or comparable qualification In-depth knowledge and practical experience in the following areas: Independent administration of Windows Server environments, including Active Directory Support for Microsoft 365 tenants in the SME environment Administration of virtualization environments Implementation and monitoring of backup strategies (e.g., using Veeam) Network administration, particularly VLAN configuration Firewall administration Class B driver’s license Independent, structured, and solution-oriented approach to work Ability to work in a team and a professional demeanor Desirable: Experience with common virtualization solutions (VMware, Hyper-V, Proxmox) Knowledge of setting up and maintaining 3CX VoIP systems Experience working with Linux servers Business-level English proficiency Benefits: Competitive compensation with a permanent full-time contract Ongoing professional development through hands-on projects and internal support Challenging work in the field of IT infrastructure rather than mere ticket processing Independent work with creative freedom Modern workspaces with air-conditioned offices and electric height-adjustable desks High-quality company laptop Flat hierarchies and short decision-making paths A technically skilled team with a passion for IT Regular team events (e.g., gaming nights, go-karting, and much more) Capital-forming benefits Free drinks Would you like to join our team? Then we look forward to getting to know you—please send your application (resume with your earliest start date), along with a cover letter and references if available, via email to Bewerbung@mips-germany.com. If you have any questions, please contact Özgür Stahl at 49 6104 66800. mips Dataline GmbH Ernst-Leitz-Straße 3 63150 Heusenstamm