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Netzwerkadministrator:in (m/w/d)
Als Netzwerkadministrator:in bei MANDARIN Digital verantwortest du die IT-Infrastruktur mit Fokus auf Cisco Meraki: Firewalls, Switches, WLAN, Routing und VPN. Du setzt Netzwerkprojekte um, behebst Störungen und bearbeitest Support-Tickets im Incident Management.
IT Systemadministrator/-in (m/w/d)
IT system administrator providing on-site and remote IT support and consulting to clients, administering and maintaining Windows Server, Hyper-V, Exchange and network environments, and designing/optimizing server landscapes. Requires strong German (C1), a driving license, and multi-year experience.
IT-Systemadministrator (m/w/d)
IT system administrator role at Navimatix in Jena, Germany, responsible for planning, building and maintaining the company's IT infrastructure — internal and external production systems, developer and office workstations, and test environments. Involves network component and OS configuration (Linux, Windows), system administration, updates and maintenance, ensuring availability of critical applica
IT Administrator - Teilzeit (m/w/d)
Part-time IT Administrator for INTERNETONE in Cologne, acting as the sole IT responsible person for a ~10-user environment: administering Windows Server and a future Azure environment, managing network infrastructure, user support and troubleshooting, backups/recovery, plus a one-off migration project to Azure and Exchange Online.
Penetration Tester (w/m/d)
Penetration tester at Sogeti (Capgemini) in Stuttgart, planning and running security audits and pentests of web applications, networks, and hardware (OT/IoT), assessing apps against OWASP Top 10 and OSSTMM, and presenting results to clients in German and/or English.
Netzwerkadministrator/in (m/w/d)
In-house network administrator at a Berlin printing company, responsible for keeping IT systems and infrastructure running: administering servers and network components (switching, routing, LACP, firewalls), maintaining site LAN/WLAN/WAN and VPN, supporting users, and helping deliver IT projects. Core technologies are Microsoft server/client systems and O365, with Linux a plus.
IT-Administrator/in (m/w/d)
On-site IT administrator for a 250-person car dealership/service group in Hoppegarten, Germany, keeping workplaces, network, servers and workshop/admin systems running, handling user support, device and account setup, backups and data security, and contributing to digitization projects.
IT-Manager/in
Das Aufgabengebiet umfasst folgende Tätigkeiten: Wartung, Administration und Optimierung unserer Windows- & Linux- Server-Umgebung Betreuung und Pflege von SQL Servern Verantwortung für die Netzwerkadministration (LAN,…
IT Specialist Network (m/w/d)
IT Specialist Network responsible for internal/external ticket handling, hardware procurement and support, administration of Windows clients and mobile device management, user support, and project-based expansion/optimization of IT infrastructure, working ITIL-compliantly and training employees. Core technologies include Microsoft and Linux server operating systems, network protocols, network admi
Linux System- und Netzwerkadministrator/in (w/m/d)
Linux system and network administrator at a Leibniz lung-research institute, responsible for administering and maintaining Linux systems, configuring network services, firewalls, VPNs and load balancers, implementing IT security and hardening, automating tasks with Shell and Python, and running virtualization, backup and restore environments.
IT-Systemadministrator*in (w/m/d)–Schwerpunkt Netzwerk & IT-Sicherheit (2629-nwMA-ze.IT-Sicherheit)
IT system administrator at the German Sport University Cologne's central IT unit, focused on network administration and IT security infrastructure (firewalls, WAF, network access control, VPN), supporting risk analyses and security incident handling in close cooperation with the IT security manager.
Systemadministrator (m/w/d)
Systemadministrator role at Krampe Fahrzeugbau, a vehicle manufacturing company, supporting internal users and external service providers. Day-to-day work covers 1st/2nd-level hardware and software support, maintaining and expanding the network infrastructure, administering servers, desktops and mobile devices, and helping plan and implement digitalization projects.
Systemadministrator (m/w/d) Infrastruktur / Microsoft 365
Systemadministrator role at a rail-wheel manufacturer in Bochum, operating and developing the Microsoft 365 environment (Entra ID, Exchange Hybrid, Intune, SharePoint, Teams) alongside Windows Server, Active Directory, virtualization, storage/backup, and network administration, with PowerShell automation and 2nd/3rd-level troubleshooting.
IT-System- & Netzwerkadministrator (m/w/d)
Als IT-System- und Netzwerkadministrator verantwortest du den zuverlässigen Betrieb und die Weiterentwicklung der IT-Infrastruktur (Server, Netzwerk, HCI, VPN, Firewall, Cybersecurity) inklusive Fehlerbehebung, Benutzerverwaltung, Sicherheitsrichtlinien und Anwendersupport. Kernbereiche sind Windows/Linux-Administration, Netzwerke (LAN/WAN), Datenbanken sowie Cloud- und Container-Technologien.
IT-Administrator (m/w/d) – Standort Mönchweiler
IT administrator handling service desk support, software/hardware installation and configuration, system and network administration, software distribution and patch management, documentation/reporting, and IT procurement, with participation in cross-site group projects. Requires ~30% travel; German and English language skills.
IT-Systemadministrator/in
Deine Aufgaben Installation, Konfiguration und Betrieb von IT-Infrastrukturen: Umsetzung und Administration von modernen Server-, Netzwerk- und Security-Lösungen im Kundenumfeld. Betreuung von IT-Systemlandschaften…
IT Administrator Netzwerk & Security (m/w/d)
IT administrator for network and security infrastructure at a German family-owned holding company: plans, implements and operates firewalls, VPN, WLAN and network segmentation, troubleshoots incidents, and supports 2nd/3rd-level IT support across sites.
Netzwerkadministrator
IT-Netzwerkadministrator bei QUIRIS Healthcare in Gütersloh, der vernetzte IT-Systeme, Windows-Server- und Client-Umgebungen sowie MS-Office-, CRM- und ERP-Anwendungen pflegt, konfiguriert und überwacht und Anwender im 1st-/2nd-Level-Support betreut.
DevOps Engineer / Cloud-Architect (m/w/d)
Wir suchen eine/n engagierte/n DevOps Engineer / Cloud-Architect (m/w/d) zur Verstärkung unseres IT-Teams. In dieser Position sind Sie verantwortlich für die Betreuung und Weiterentwicklung unserer IT-Infrastruktur,…
IT-Systemtechniker/in
IT system technician role at ALBAKOM in Rostock, responsible for troubleshooting IT faults and administering server infrastructure, backup and firewall systems, MS-SQL databases and networks in virtualized environments, with some remote work possible for office/case tasks.