Windows Systems Administration
3,382 open positions
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Systemadministrator:in MANDARIN MEDIEN Gesellschaft für digitale Lösungen mbHRemote €36k–€54k1mo Maintain cloud infrastructure, server environments, and industry software to ensure smooth operations for over 10,000 end users.
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IT-Administrator (m/w/d) Anwendungsbetrieb SINC GmbHRemote 1mo Maintaining and evolving internal IT infrastructure for GovTech solutions, supporting development and test teams, and researching new technologies.
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Infrastructure Engineer (m/w/d) – Windows Server, Active Directory & Entra ID Fr. Fassmer GmbH & Co. KGLemwerder, NIEDERSACHSEN 1mo Administration, operation, and maintenance of Windows Server systems, Active Directory, and Microsoft Entra ID within a hybrid identity environment.
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IT-Systemadministrator (m/w/d) in der Speicherstadt plusYOU GmbHHamburg, HAMBURG 1mo IT infrastructure administration and support for a global trading company's IT environment, including server, client, virtualization, and Microsoft 365 systems.
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IT-Systemadministrator*in SOLVIS GmbHBraunschweig, NIEDERSACHSEN 1mo Ensuring secure, stable, and future-proof operation of IT infrastructure including servers, storage, network, and virtualization.
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IT-Systemadministrator / Netzwerkadministrator (m/w/d) – Berlin ncs plus GmbHBerlin, BERLIN 1mo Deploying, configuring, and maintaining networks and servers to ensure stability and security for IT systems.
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System Engineer (m/w/d) Raum Bayern Medialine EuroTrade AGAschheim, BAYERN 1mo Deploying ready-to-use IT solutions for customers in Southern Germany, providing 2nd level support, and maintaining existing IT infrastructures.
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IT Administrator (m/w/d) Dipl.-Ing. Gennadi Rouditser D.I.R.A. Arbeitsvermittlung & UnternehmensberatungBerlin, BERLIN 1mo Administration, operation, and development of IT infrastructure including servers, network devices, and security solutions.
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IT (m/w/d) Berlin - Datenbankentwickler PerZukunft Arbeitsvermittlung GmbH & Co. KGBerlin, BERLIN 1mo Developing individual solution concepts for clients, creating IT guidelines, and coordinating IT service provider relationships.
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?IT-Systemadministrator (m/w/d) Bremerhaven, BREMEN 1mo Building and maintaining network, server, and database infrastructure for embedded systems projects.
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Senior IT-Systemadministrator (m/w/d) Intercon Solutions GmbHFrankenberg/Sachsen, SACHSEN 1mo Experienced IT System Administrator responsible for managing internal IT infrastructure, including servers, virtualization, networking, security, and client support for Windows and Mac.
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IT Systemadministrator (m/w/d) LEONHARD WEISS GmbH & Co. KGRemote 1mo Design, develop, and administer a VDI environment and manage MS SQL database operations to ensure system availability and support application deployment.
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IT-Systemadministrator (m/w/d), Zentrale Indunorm Hydraulik GmbHNeukirchen-Vluyn, NORDRHEIN_WESTFALEN 1mo Responsible for system technology, user account administration, and 2nd-level support for a hydraulic system provider.
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IT Infrastructure Engineer (m/w/d), Hawangen Hans Hundegger AGHawangen, BAYERN 1mo Administration, operation, and development of global IT infrastructure including servers, storage, virtualization, and cloud services.
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IT-Systemadministrator (w/m/d) Barmherzige Brüder Behindertenhilfe gGmbHStraubing, BAYERN 1mo Ensure reliable operation of IT infrastructure supporting over 1,000 workstations at the Straubing site, focusing on Windows Server and VMware administration.
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IT-System-Engineer (m/w/d) ProwayImmenstaad am Bodensee, BADEN_WUERTTEMBERG 1mo Responsible for Windows server environments, Active Directory management, security concepts, and on-site customer rollouts.
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IT-Systemadministrator (m/w/d) ConnextaKoblenz am Rhein, RHEINLAND_PFALZ 1mo Managing Microsoft server environments, M365 tenants, virtualization, and network infrastructure.
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(Senior) System Engineer (m/w/d) VAPSIsernhagen, NIEDERSACHSEN 1mo Operating and evolving complex IT infrastructures including on-premises, hosting, and cloud environments.
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Bytewize Vacancy 2026-2713 for Specialist Technicians Bytewize ConsultingFerntree Gully, Victoria $80k1mo Manage and maintain ICT infrastructure, networks, and server environments for schools in the Department of Education.
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Entwickler PowerShell (m/w/d) für Virtualisierungslösungen Finanz InformatikMünster, Westfalen, NORDRHEIN_WESTFALEN 1mo Developing and maintaining virtualization solutions for Windows platforms, focusing on automation, standardization, and hardware validation.
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IT-Administrator (m/w/d) im Gesundheitswesen AMADEUS FIRE AGBerlin, BERLIN 65k1mo IT Administrator responsible for server, network, and backup infrastructure in a hospital environment.
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IT-Systemadministrator/in Karriere & Macher Personalmanagement GmbH & Co KGWolfsegg am Hausruck, OBEROESTERREICH 1mo Administration, maintenance, and optimization of a Microsoft-based IT infrastructure including virtualization and endpoint management.
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(Senior) System Engineer Netzwerk DMZ (m/w/d) BWI GmbHStrausberg, BRANDENBURG 1mo Planning and implementation of system changes and optimization of IT infrastructure.
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IT- Systemadministrator (m/w/d) IELA Personal GmbHMagdeburg, SACHSEN_ANHALT 1mo Managing stable and secure IT systems using modern technologies.
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IT Infrastructure Specialist (w/m/d) - Hybrid Sunrise Medical GmbHHeidelberg, Neckar, BADEN_WUERTTEMBERG €65k–€75k1mo Managing and developing IT infrastructure including Windows Server, Active Directory, Microsoft 365, Azure, and virtualization to ensure stable and secure system operations.
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Digital Infrastructure Engineer Ravenswood Gold PtyRavenswood, Queensland 1mo Support and troubleshoot wired/wireless networks, cloud/on-prem infrastructure, identity services, and virtualized platforms to ensure reliable, secure, and connected technology for a 24/7 mining operation.
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IT-Spezialist Server & Infrastruktur (w/m/d) Bechtle AGLeipzig, SACHSEN 2mo Responsible for the secure and stable operation of complex server and system landscapes, ensuring availability of central IT services and actively contributing to the development of modern IT infrastructures.
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Systems Engineer - Microsoft DrwengChicago $120k–$160k2mo Administer and support core Microsoft services and Windows Server infrastructure for a global trading firm's operations.
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Fachinformatiker IT-/AT-Infrastruktur (m/w/d) Magnum ICC Germany GmbHHeppenheim (Bergstraße), HESSEN 2mo Ensuring optimal availability of local IT/AT infrastructure for the European IT organization at the Heppenheim production site.
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Team Leader Full Stack - Viseu↗ DeloitteViseu, Viseu, Portugal 2mo Team Leader for IT Support and Operations, managing 2nd-level service desk incidents, system administration, and technical project implementation.
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Senior Staff Site Reliability Operations NVIDIAUS, WA, Seattle $184k2mo Senior technical individual contributor owning day-to-day site operations, Tier 3 escalations, and infrastructure reliability for a multi-site enterprise environment.
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Systemadministrator/in (m/w/d) als Teamleiter/in Verbandsgemeindeverwaltung NastättenNastätten, RHEINLAND_PFALZ 2mo Leading and developing the IT infrastructure for a public administrative district (Verbandsgemeinde), ensuring technical performance, security, and future-readiness for the administration and associated municipalities.
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IT-Systemadministrator (m/w/d) iperdi GmbHApolda, THUERINGEN 2mo Managing internal IT systems, user administration, and infrastructure maintenance for a company.
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IT Systemadministrator (m/w/d) Karwendel-Werke Huber GmbH & Co. KGBuchloe, BAYERN 2mo Administer and develop IT and OT infrastructure, including servers, networks, Microsoft 365, virtualization, Linux, SQL databases, and unified communication solutions.
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IT System Administrator (m/w/d) ME MOBIL ELEKTRONIK GMBHLangenbrettach, BADEN_WUERTTEMBERG 2mo Operate and develop the company's IT infrastructure, ensuring stable and secure system operations.
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IT-Systemadministrator 2nd / 3rd Level (m/w/d) Express Travel International GmbHRemote 2mo Operating virtualized Windows and Linux servers, managing on-prem Exchange with M365 migration, handling network/security, and developing/maintaining internal PHP web applications and payment platforms.
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IT-Mitarbeiter (m/w/d) Raab Baugesellschaft mbH & Co KGEbensfeld, BAYERN 2mo Provide IT support and system administration for a construction company's infrastructure, including user support, server management, and digitalization projects.
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IT-Administrator (m/w/d) Göhler GmbH und Co.KG AnlagentechnikHösbach, BAYERN 2mo Managing and maintaining the IT infrastructure for the Göhler GmbH and Co. KG team, including servers, networks, and virtualization.
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Webserver-Administrator (m/w/d) in der Abt. Programmierung / Datenverarbeitung LKV Bayern e.V. ZentraleRemote 2mo Administration, configuration, and operation of the web server landscape and application platforms for the LKV Bayern organization.
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Systemadministrator (m/w/d) Keune & Lauber GmbHBad Berleburg, NORDRHEIN_WESTFALEN 2mo Operating and monitoring server hardware and storage systems, managing Microsoft Server operations, Active Directory, internal network infrastructure, and a ProxmoxVE environment.
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IT-Systemadministrator (m/w/d) – Infrastruktur & Kanzlei-IT INGSERV GmbHKassel, Hessen, HESSEN 2mo Managing a modern hybrid IT landscape for a mid-sized accounting and audit firm, ensuring stable and secure operations for all departments.
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IT-System Administrator (m/w/d) Helmi Göttler Private ArbeitsvermittlungRemote 65k2mo Planning, implementing, and maintaining IT services and systems for a manufacturing environment, including network infrastructure, cybersecurity, and client support.
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Senior System Engineer (w/m/d) Ober Scharrer Gruppe GmbHFürth, Bayern, BAYERN 2mo Responsible for operating and evolving the IT infrastructure, including servers, networks, and storage, ensuring reliable backup and recovery systems.
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IT-Administrator (m/w/d) sachs engineering GmbHRavensburg, Württemberg, BADEN_WUERTTEMBERG 2mo Administration of IT infrastructure, Windows systems, and Microsoft environments, including support, system/network maintenance, and user management.
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Senior Systems Engineer DvtradingChicago $200k2mo Design, build, and maintain core Windows, virtualization, and cloud infrastructure for a proprietary trading firm's IT operations.
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Managed Services Systems Administrator Comtec-SolutionsUSA $90k2mo Proactive administration and troubleshooting of managed Windows Server, Active Directory, Entra ID, Microsoft 365, and Intune infrastructures for multiple customers.
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