> Markdown version of [/jobs/ext/1928989-it-systemadministrator-application-manager](https://www.wearedevelopers.com/jobs/ext/1928989-it-systemadministrator-application-manager). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT-Systemadministrator / Application Manager - **Company:** BEST GmbH Personaldienstleistungen - **Location:** Erkrath, Germany (Remote available) - **Salary:** €21,054.0 - €133,979.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, PHP (Programming Language), Microsoft Windows, Active Directory, Application Programming Interfaces (APIs), Artificial Intelligence, Application Lifecycle Management, Microsoft Azure, C Sharp (Programming Language), Cyber Security, Information Engineering, Github, Python (Programming Language), PostgreSQL, Microsoft SQL Server, MongoDB, MySQL, Redis, Software Engineering, SQL Databases, Tableau (Software), Information Security Management System, Large Language Models, Firewalls (Computer Science), Microsoft InTune, Restful APIs - **Published:** August 5, 2026 - **Apply:** https://www.xing.com/jobs/erkrath-it-systemadministrator-application-manager-156837085 ## About the Role * Erfahrung im Bereich Systemadministration und Microsoft-Technologien * Kenntnisse in Microsoft 365, Active Directory, Entra ID, Exchange Online und Intune * Verständnis für Netzwerke, Firewalls und IT-Sicherheit * Kenntnisse in ISO 27001, ISMS * Interesse an Application Management und Softwareentwicklung * Idealerweise Erfahrung mit SQL, APIs, C#, .NET oder Python * Ausgeprägte Serviceorientierung und selbstständige Arbeitsweise * Gute Kommunikationsfähigkeiten und sichere Deutschkenntnisse (mind. C1), Python Java Go PHP C# Node.js PostgreSQL MySQL MongoDB Redis Azure .NET SQL Server GitHub Actions Tableau REST API LLM/KI Data Engineering Soft Skills Kommunikationsfähigkeit Teamfähigkeit Problemlösungskompetenz Eigeninitiative Belastbarkeit Flexibilität Kundenorientierung Selbstorganisation Lernbereitschaft Erforderliche Sprachen Deutsch ## Related Videos - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Beyond Hiring: Building a Sustainable Talent Acquisition Engine at Deutsche Bahn](https://www.wearedevelopers.com/videos/1856-beyond-hiring-building-a-sustainable-talent-acquisition-engine-at-deutsche-bahn) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [Best Companies to Work For in Germany: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/33-best-companies-to-work-for-in-germany-top-25-companies-in-2023) - [IT Salaries in Germany](https://www.wearedevelopers.com/magazine/287-it-salaries-in-germany) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)