Windows Systems Administration
3,477 open positions
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IT-Administrator Fachinformatiker (m/w/d) IT-Service Johannsen GmbHSchleswig, SCHLESWIG_HOLSTEIN 6d Network and system administrator supporting mid-sized companies and non-profits with IT solutions and support in the Schleswig-Flensburg region.
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IT-Professional – IT-Support | Microsoft 365 | Cloud & Infrastruktur nexcon-it GmbHBüttelborn, HESSEN 6d IT support professional responsible for administering Windows Server/Client systems, Microsoft 365 environments, and virtualized infrastructures while providing direct customer support and troubleshooting.
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IT-Systemadministrator / IT-Techniker (m/w/d) Compentis GmbHDresden, SACHSEN 6d Administration and support of Windows systems, servers, clients, Microsoft 365, Active Directory, and network infrastructures.
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IT Supporter (m/w/d) Hays AGBerlin, BERLIN 6d Ensure stable operation and continuous development of IT infrastructure across multiple locations, administering and optimizing Client, Server, Network, and Cloud systems.
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IT-Systemadministrator (m/w/d) Applikationsvirtualisierung, Mail & Windows Server Nordfrost - GmbH & Co. KGSchortens, NIEDERSACHSEN 6d Ensures security, availability, and lifecycle management of IT infrastructure including application virtualization, email systems, and Windows Server environments for a family-owned company with 40 locations.
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IT-Spezialist Infrastruktur & Systembetrieb (m/w/d) DIS AG GermanyKöln, NORDRHEIN_WESTFALEN 6d Managing complex system landscapes including server, virtualization, and network environments with a focus on IT security and future projects.
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IT Administrator Fachanwendungen und Infrastruktur (m/w/d) PrivatVerrechnungsStelle der Ärzte in Niedersachsen rkVLüneburg, NIEDERSACHSEN 6d Ensure uninterrupted daily operations for colleagues and members by managing self-developed and purchased software products and underlying infrastructure.
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IT-Systemadministrator / Generalist (m/w/d) Reif Bauunternehmung GmbH & Co. KG Zweigniederl. BaiersbronnRastatt, BADEN_WUERTTEMBERG 6d Operating, maintaining, and evolving IT infrastructure with a focus on server and network systems for a construction company.
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Stv. Abteilungsleiter IT / IT-Systemadministrator (m/w/d) Kühling PersonalberatungDeutschland 6d Monitoring and maintenance of Windows servers and Hyper-V environment, including backup and recovery, plus 1st and 2nd-level support and user account management.
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2nd/3rd Level Support (m/w/d) – Schwerpunkt IT-Security WesCon W.-E.Datacons.GmbHRemote 6d 2nd/3rd Level IT support specialist focusing on IT security, incident response, and infrastructure administration for mid-sized enterprise clients.
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IT-Systemadministrator (m/w/d) Möller Chemie GmbH & Co. KGSteinfurt, Westfalen, NORDRHEIN_WESTFALEN 6d Administration and development of the company's IT infrastructure, including servers, networks, and central applications.
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Systemadministrator Windows (m/w/d) meap GmbHRemote 6d Maintain Windows systems and infrastructure for internal operations and B2B clients, ensuring stability and handling technical challenges.
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SoftwareOne Deutschland GmbH: System Engineer (gn) Windows Server Administration SoftwareOne Deutschland GmbHRemote 6d Architect, operate, and evolve complex enterprise Windows Server environments, ensuring business-critical IT infrastructure performance and security.
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Jefe de Infraestructura y Servicios TI↗ Meico S.aBarranquilla, Atlántico, Colombia 6d Leading and managing enterprise IT infrastructure, corporate networks, virtualization, security, and cloud platforms.
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Infrastructure Engineer (IT)↗ Talentsis Pte. Ltd.Singapore, S00, SG 6d Plan, implement, monitor, and maintain IT infrastructure including hardware, software, and networks.
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Windows Systems Engineer↗ Samsung ElectronicsPlano, TX, US 6d Design, implement, maintain, and optimize enterprise messaging (Microsoft Exchange) and directory services (Active Directory) to ensure secure, highly available, and reliable operations.
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Systems Administrator II↗ American College of EducationRemote $90k6d Protect critical information, systems, and assets; build solutions, implement new software and hardware, and assist in overall IT strategy for a global online education platform.
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Systems Integration Senior Specialist↗ Ntt DataKA, IN 6d Manage, optimize, and secure Windows-based server infrastructure and virtualization platforms across hybrid on-premises and cloud environments.
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IT Executive Infra↗ Birla Open MindsMH, IN 6d Manage end-to-end IT infrastructure including desktops, laptops, servers, networks, cloud platforms, and security systems for an organization.
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Fachinformatiker für Systemintegration (m/w/d) Micron Computersysteme GmbHRemote 6d Planning, implementing, and maintaining server and IT infrastructure solutions for commercial clients.
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IT-System-/Netzwerkadministrator(m/w/d) hyrUP GmbHRemote 6d Operation, monitoring, and maintenance of IT infrastructure including servers, clients, and networks.
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IT-Systemadministrator (m/w/d) in Vollzeit zum nächstmöglichen Zeitpunkt Stadt WaldkraiburgWaldkraiburg, BAYERN 6d Administration and development of IT infrastructure in a VMware environment, including Windows servers, Active Directory, MS Exchange, network infrastructure, and firewall management.
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IT Administrator & System Test Engineer (m/w/d), 38,5 h in Graz↗ EvkRaaba, Styria, Austria €47k6d Hybrid role managing internal IT infrastructure and building/maintaining test environments for product development.
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Ingeniero/a informático/a↗ Aigues Del Prat SaEl Prat de Llobregat, Catalonia, Spain 6d Designing network architectures, managing virtualized environments, and optimizing databases for critical infrastructure.
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Integrador de sistemas PKI↗ CGIMadrid, Community of Madrid, Spain 6d Configuring network electronics (firewalls, balancers, web servers, AD, identity managers) and managing PKI software for a large project.
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Engenheiro Informático (M/F/D)↗ Flex2000Ovar, Aveiro, Portugal 6d Administer, secure, and maintain enterprise IT infrastructure, networks, and systems for an industrial manufacturing company.
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Technicien Infrastructure – Support RUN & BUILD (F/H/X) MetalineBrest, FR 6d Support and build IT infrastructure, manage workstations, servers, and security tools across Windows and Linux environments.
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VMware Technical Specialist KyndrylNM, USA 6d Manage mission-critical technology systems, solve complex problems, and provide day-to-day solutions and security compliance for clients across various industries.
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Ingeniero de infraestructura Sr.↗ Joysonquin Automotive Systems MexicoSan Luis Potosí, SLP, MX 6d Senior infrastructure engineer responsible for administering servers, networks, communications, cloud environments, and storage solutions.
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Systemadministrator (m/w/d) Verwaltungsgesellschaft für soziale Dienste und Einrichtungen Oberlausitz mbhRemote 6d Maintaining IT infrastructure for over 800 users across 18 sites for a social services organization, ensuring helpdesk efficiency through proactive system management.
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TÈCNIC/A IT↗ MecvilSallent, Catalonia, Spain 6d Manage and maintain internal company servers, virtualization systems, backups, firewalls, and IT infrastructure security.
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Information Security Specialist↗ Healthcare Insurance Reciprocal of Canada (hiroc)Toronto, Ontario, Canada $100k–$120k6d Provide a robust, reliable, and secure foundation of technologies and systems to enable business operations and support strategy within a healthcare liability insurer.
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I.T.C. Infrastructure Technologist↗ City of BrandonBrandon, MB, CA 6d Design, install, configure, administer, and monitor the City's computing and communication infrastructure to support municipal operations and critical emergency services (911, police).
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Systems Analyst Canon Virginia IncUSA $66k–$86k6d Design, install, administer, manage, and tune software systems, hardware, and network connections to support availability and security of business applications.
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Systems Administrator - Lynn Element-CareUSA $75k–$81k6d Provide administrative, break-fix, and technical support for security infrastructure, servers, systems, and applications in a distributed processing environment.
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Spécialiste principal(e), Déploiement des systèmes Lgi-Healthcare-Solutions-Sant-IncRemote 7d Remote specialist performing installation, upgrade, migration, and maintenance of systems and components for clients, acting as the primary technical contact and providing Level 2 support.
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Technical Support Engineering - Windows SHA MicrosoftRomania, Bucharest, Bucharest 199k–348k7d Investigate and resolve complex customer technical issues for Windows systems, acting as an advisor and collaborating across teams.
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Operational Control Center InetumLisbon, Lisbon, pt 7d Provide technical support, troubleshooting, and administration for IT infrastructure, operating systems, and enterprise platforms.
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VMware Subject Matter Expert Delaware-Nation-IndustriesUSA $90k–$130k7d Install and support physical and virtual Windows servers, data storage arrays, and server software applications while performing STIG reporting and vulnerability fixes.
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Senior IT System- / Netzwerkadministrator (m/w/d) DT Netsolution GmbHStuttgart, Baden-Wurttemberg, DE 7d Administration and support of customer IT systems including Windows networks, virtualization, shared storage, and firewalls, plus planning technical implementations and optimizing existing systems.
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IT System Administration & Support (m/w/d) Talentschmiede AGRemote 7d Design, implement, and operate IT systems and infrastructure, including physical/virtual servers, networks, and storage, while providing technical support and security management.
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IT Systems Administrator with 24/7 standby (12 months contract↗ PersolOutram, S00, SG 7d Maintaining and administering computing environments including systems software, applications software, hardware, and configurations.
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