Windows Systems Administration
3,382 open positions
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Network Administrator↗ Prime Healthcare ServicesAnaheim, CA, US 1mo Design, install, and support the organization's local area network (LAN), wide area network (WAN), network segment, or Internet system.
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Junior Engineer - Level 2 - Advanced Infra & Systems Support↗ John Ethans International Pte. Ltd.Remote 1mo Resolve complex escalated incidents through deep technical diagnostics across endpoint, identity, network, and server foundations, while coordinating with vendors and executing approved changes.
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IT-Systemadministrator (m/w/d) AMADEUS FIRE AGHamburg, HAMBURG €60k–€70k1mo Managing virtual servers, applications, Active Directory, Entra ID, and M365 for a trading company.
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Senior Windows Engineer - Managed Services↗ CdwRemote, US $106k1mo Senior operational support for Microsoft Windows environments across Managed Services customers, focusing on incident resolution, break-fix support, and service monitoring.
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Systemadministrator (m/w/d) DIS AG GermanyKlipphausen, SACHSEN 1mo Administration and development of IT infrastructure (servers, networks, systems), including maintenance, optimization, and user support.
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Junior Infrastructure & Network Engineer↗ Jugend Am WerkW, AT €37k1mo Operate and evolve the secure, stable digital infrastructure, platforms, virtualization environments, and network for a non-profit organization's social services and education offerings.
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IT Systemadministrator (m/w/d) UNGLEHRT GmbH & Co. KGMemmingen, BAYERN 1mo Managing applications, communications, and IT infrastructure for a concrete manufacturing company.
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IT-Systemadministrator (m/w/d) - IT-Sicherheit Magnesia GmbhRemote 1mo Implementing and operating technical IT security measures, administering and securing Windows Servers, Active Directory, and Microsoft 365 identities.
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IT-Systemadministrator (m/w/d) IT-Infrastructure & Security Harvey Nash GmbHRemote 1mo Ensuring stability, security, and continuous development of a modern IT landscape by managing infrastructure, storage, backup, virtualization, and security measures.
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Fachinformatiker Systemintegration (m/w/d) neam IT-Services GmbHRemote 1mo Implementing new IT solutions, migrating systems, optimizing IT infrastructure, and administering/maintaining systems.
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IT Officer – Cybersecurity & Compliance (m/w/d) TRIGO ADR Germany GmbHBremen, BREMEN 1mo Manage IT infrastructure, cybersecurity measures, and export control compliance for an international company's digital systems and data.
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IT-Administrator m/w/d übertariflich - Vollzeit PerZukunft Arbeitsvermittlung GmbH & Co. KGBerlin, BERLIN 1mo Administration of Windows servers, configuration of applications, and ensuring reachability of Cisco routers.
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IT-Administrator (m/w/d) Data Dialog EDV-Systeme GmbHSchkeuditz, SACHSEN €30k–€48k1mo Administration and support of internal IT infrastructure, including servers, networks, security, and user management for a software solutions provider.
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System Engineer Automation (m/w/d) || netgo tax NetgoKassel, Hessen, HESSEN 1mo Develop and maintain automation for administrative and customer systems, working with REST APIs to enhance internal data center platforms.
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IT-Systemadministrator - Infrastruktur / VMware (m/w/d) Workwise GmbHNordheim, Württemberg, BADEN_WUERTTEMBERG 1mo Operate and evolve global IT infrastructure including data centers, virtualization, storage, backup, and network security for 600 clients across international sites.
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Senior Administrator (m/w/d) Serverfarm SINC GmbHRemote 1mo Senior Server Administrator responsible for managing, configuring, and maintaining a large-scale Windows Server infrastructure (physical and virtual) for government IT solutions.
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Senior IT-Systemadministrator (m/w/d) hyrUP GmbHKöln, NORDRHEIN_WESTFALEN 1mo Strategic development and management of a highly available, hybrid IT infrastructure including Windows environments, cloud, and networking.
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IT Systemadministrator (m/w/d) LEONHARD WEISS GmbH & Co. KGRemote 1mo Design, develop, and administer the company's VDI environment and MS SQL database infrastructure to ensure system availability and support application deployment.
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IT Systemadministrator (w/m/d) in Düsseldorf, Düsseldorf Schön Klinik Düsseldorf SE & Co. KGDüsseldorf, NORDRHEIN_WESTFALEN 1mo Support users and maintain stable IT infrastructure for a hospital's daily operations.
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Infrastruktur-Architekt (m/w/d) Michael Page GmbHStuttgart, BADEN_WUERTTEMBERG 1mo Managing and optimizing the IT system landscape, including infrastructure, networks, and client administration in Germany.
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Windows System Administrator - System Engineer (m/w/d) HaftpflichtkasseRoßdorf bei Darmstadt, HESSEN 1mo Operating, administering, and evolving Windows Server environments including Domain Controllers, Active Directory, and Terminal Services.
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Senior IT System Engineer (m/w/d) Hays AGRemote 1mo Operation, administration, and optimization of a diverse IT infrastructure including Windows, Linux, and Microsoft 365.
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IT Systems Administrator Comtec-SolutionsRemote $90k1mo Administer, troubleshoot, and automate Windows Server, Microsoft 365, and network infrastructure for managed-services clients.
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IT-Systemadministrator (m/w/d) iperdi GmbHWeimar, Thüringen, THUERINGEN 1mo Managing internal IT systems, user data, and infrastructure for a company with international colleagues.
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IT-Systemadministrator (m/w/d) – Infrastruktur & Kanzlei-IT INGSERV GmbHKassel, Hessen, HESSEN 1mo Manage a modern hybrid IT landscape including Microsoft 365, server infrastructure, networks, and DATEV systems for a mid-sized accounting and audit firm.
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Systemadministrator (m/w/d) PBS SoftwareRemote 1mo Managing internal IT infrastructure including Linux/Windows servers, SAP systems, and network administration.
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Senior Specialist (m/w/d) IT-System & Database Engineering Nagel-Group Logistics SENürnberg, Mittelfranken, BAYERN 1mo Administration, troubleshooting, and optimization of server, virtualization, and database environments to ensure IT system stability and availability.
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Fachlicher Referent IT (m/w/d) Stadtwerke Bad Pyrmont Beteiligungs und Bäder GmbHRemote 1mo Administration and planning of complex IT infrastructure including networks, servers, virtual systems, and Active Directory, with a focus on IT security and digitalization projects.
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Administrador Senior Windows Server Logicalis-SpainRemote 1mo Senior engineer responsible for critical Microsoft and VMware infrastructure, including virtualization, identity management, and system administration.
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L3 Server Infrastructure Lead (Windows Server, VMware & Intune/SCCM) GruvePune 1mo L3 technical leadership and operational ownership for Windows Server, VMware virtualization, and Endpoint Management environments to ensure infrastructure stability, security compliance, and lifecycle management.
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IT-Systemadministrator*in (m/w/d) ITS Informationstechnik Service GmbHPaderborn 1mo Ensuring stable and secure operation of internal IT infrastructure based on Microsoft Server and Cloud technologies, while continuously developing and optimizing systems.
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Fachinformatiker für Systemintegration | IT-Systemadministrator m/w/d InfraTec GmbH Infrarotsensorik und MesstechnikDresden 1mo Responsible for the expansion, operation, and maintenance of IT infrastructure at the Dresden site, including Windows server/PC management, M365 administration, and network support.
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Lead Systems Administrator (NTD) NintendoRedmond, WA 1mo Operational leader for corporate IT infrastructure and services, ensuring stability, security, and advancement of the technology environment for Nintendo Technology Development.
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Digital Infrastructure Traineeship MobreadySydney, New South Wales 1mo Support the Bank's Infrastructure team with systems administration, server technologies, virtualisation, network engineering, and infrastructure support services.
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IT-Systemadministrator/in BEKO Solutions GmbHRemote €48k1mo Managing and improving IT infrastructure including servers, networks, cloud technologies, and security solutions.
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IT-Systemadministrator (m/w/d) pace-IT GmbHRemote 1mo IT System Administrator providing 2nd-level support, network/server administration, and system documentation for mid-sized enterprise clients.
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Teamleitung (w/m/d) Technologie & Systeme GB Digitalisierung Kliniken Südostbayern AGTraunstein, Oberbayern, BAYERN 1mo Leading the Technology & Systems team to ensure stable IT operations and evolve the system landscape for a regional healthcare provider.
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IT-Systemadministrator (m/w/d) EasyHood ITRemote 1mo Provide full managed IT services including server, network, and firewall management, Microsoft 365 administration, and client support for business customers.
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Fachinformatiker (m/w/d) für Systemintegration ETL-Service GmbHErfurt, THUERINGEN 1mo On-site IT specialist deploying and maintaining infrastructure solutions for law firms and accounting offices within the ETL Group.
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2026/078 IT-Systemadministrator Kreisverwaltung AhrweilerBad Neuenahr-Ahrweiler, RHEINLAND_PFALZ 1mo Administration of virtualization environments, terminal servers, storage systems, and physical/virtual servers within a county's IT infrastructure.
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Systemadministrator Infrastruktur & IT-Sicherheit (m/w/d) intersoft GmbHRemote 1mo Ensuring secure, reliable, and modern usage of digital systems with a focus on IT security and Microsoft 365 for an insurance software company.
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Senior Systemadministrator / IT-Administrator (m/w/d) bayoonet AGDarmstadt, HESSEN 1mo Responsible for the IT infrastructure of the BAYOONET Group for ~300 employees, covering architecture, operations, and development.
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Systemadministrator/in (m/w/d) Kommunale Dienste Göttingen (KDG) kAöRRemote 1mo Administration of high-availability VMware clusters, Microsoft 365 Tenants, and municipal specialized software within a data center infrastructure.
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