System Administrator
Cologne
341 job openings found.
INFODAS GmbH
In this role, you will manage the R&D infrastructure, configure developer services, optimize installations, document systems, provide 2nd level support, and conduct training sessions.
deskNET. IT Service & Management GmbH
In this role, you are responsible for seamless IT support at customer locations, analyzing and resolving issues, configuring clients and servers, and optimizing the company's IT infrastructure.
Rundfunk Berlin-Brandenburg
In this role, you design and administer Windows server systems, ensure the operation of Exchange, manage Active Directory group policies, and maintain the MSSQL cluster.
In this role, you will manage the Windows server environment, ensure the operation of mail services, and contribute to their development. You will also administer group policies and support the MSSQL cluster.
GTK GINSTER * THEIS * KLEIN & PARTNER mbB
In this role, you provide First and Second Level support for around 70 employees, standardize IT processes, onboard new team members, and coordinate technical requirements among locations.
RH Diagnostik & Therapie GmbH
In this role, you will manage IT infrastructure, administer medical systems like RIS and PACS, and provide 1st and 2nd level support while optimizing automated processes in a stable environment.
Uniklinik Köln
In this role, you will develop a central monitoring platform, oversee IT services, and integrate modern cloud technologies into our monitoring strategy.
comito solutions GmbH
In this role, you manage IT systems, analyze and resolve issues in Windows and Linux environments, take on responsibilities in IT projects, and support colleagues with challenges and knowledge sharing.
Ifaktor Gmbh
In this role, you will be the central contact for customer inquiries, handle technical issues, install systems, and provide support for hardware and software problems while ensuring the IT infrastructure runs smoothly.
igus® GmbH
In this role, you will manage Power Apps and Power Automate, develop solutions within the Atlassian cloud, and contribute to planning and executing transformation projects while ensuring system availability.
Kieser Training
In this position, you will optimize the IT infrastructure, manage identity management solutions like Azure Entra ID, analyze IT issues, and support employees in the Service Desk with hardware and software inquiries.
das team ag
In this role, you will install and configure IT systems, maintain workstations, and support management in process optimization, employee training, and cyber-security management.
IT-excelsus GmbH
In this role, you will plan and deploy Linux systems, handle complex tasks and incidents, install tools, and actively support system testing and patching processes.
Lacroix Group
In this role, you manage Windows and Linux systems, assist with installations, updates, and workplace management, while providing second and third-level support to 130 users.
Ed Computer & Design Gmbh & Co. Kg
In this role, you will support Windows client and server environments, advise clients on security solutions, administer server infrastructures, and independently execute ITK projects from planning to implementation.
Receive new System Administrator Jobs in Cologne by email.