IT System Administrator

Project overview

For our client, we are looking for a Senior System Administrator / IT Infrastructure (m/f/d).

Key Data:

Skills

• Start: asap
• Duration: 12 months
• Utilization: 100%
• Location: Remote and Leipzig
• Initially more on-site, then more remote. All by arrangement, if things go very well only a few on-site days necessary.
• Maximum daily rate: 624.00 EUR
• Critical System Operation & Complex Fault Analysis: Independent management of incident management and in-depth 3rd-level troubleshooting with high content-related resilience. Includes sound system analysis under Windows Server (Event log evaluation, Sysinternals, Watchdogs, Monitoring) as well as analytical penetration of complex data flows and processes – ideally supplemented with know-how in the Kisters environment (Belvis, iopt, Belvis+).
• Automation & Interface Orchestration: Conception and implementation of stable automation solutions via PowerShell, including secure orchestration of interfaces and CMS credentials. Administration, scaling, and security of business-critical services such as IIS, Load Balancers, and transfer protocols (FTP/SFTP, SMB).
• Identity & Access Management (IAM) & Directory Services: Architectural further development and operation of central identity and authorization structures at a senior level. Management of directory services, design of granular RBAC concepts, and administration of Entra ID, Kerberos, certificate infrastructures (PKI), and modern authentication standards (SAML, OIDC).
• Network Architecture, Endpoint Management & Documentation: Strategic network planning, in-depth firewall log evaluation, and creation of audit-proof architecture documentation. Holistic management and security of heterogeneous endpoint landscapes (Windows, macOS, iOS/iPhone) using Microsoft Intune/MDM.
• Troubleshooting & Incident Management in daily business
• Confident use of PowerShell including orchestration of interfaces and CMS credentials
• Windows Server: Event log analysis, Sysinternals, Watchdogs, Monitoring
• Network planning including firewall log evaluation and architecture documentation
• Intune/MDM for Windows, Mac, iPhone
• Entra ID, Kerberos, Certificates, SAML, OIDC
• IIS, Load Balancer, FTP/SFTP, SMB
• RBAC concepts and directory services
• Analytical thinking for data flows and processes

Nice to have

Knowledge in Kisters (Belvis, iopt, Belvis+)

What we offer

Attractive opportunities to shorten your personal payment term No more time-consuming invoicing necessary Fast, reliable fee payment Conclude project contracts via electronic signature

Project details

• Start: 16.11.2026
• Duration: 12 Monate
• Remote: remote
• Location: 04109 Leipzig, DE
• Rate: 78-78 EUR/h
• Languages: German