> Markdown version of [/jobs/ext/383636-senior-it-system-engineer-hardening-gn-full-time-part-time-hybrid](https://www.wearedevelopers.com/jobs/ext/383636-senior-it-system-engineer-hardening-gn-full-time-part-time-hybrid). 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). --- # Senior IT System Engineer Hardening (gn) full-time / part-time (hybrid) - **Company:** DKV Euro Service GmbH + Co KG - **Location:** Ratingen, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Server Applications, Hyper-V, Microsoft Servers, Windows Servers, Windows PowerShell, Information Technology, Enterprise Integration - **Published:** June 12, 2026 - **Apply:** https://de.indeed.com/viewjob?jk=8f8b0cb56771e046 ## About the Role Do you have experience in PowerShell?, * You have relevant professional experience in operating complex, heterogeneous server infrastructures and application servers based on Microsoft Windows Server. * You bring very strong knowledge of Microsoft server technologies (e.g. Windows Server, Hyper-V, File Services). * You have in-depth experience in the administration and hardening of Windows Server systems. * You are confident in using Windows PowerShell and apply automation purposefully in operations. * You have basic knowledge of regulatory security requirements, such as ISO standards, BSI, or compliance regulations. * You have experience in the analysis and resolution of security-related incidents. * You work confidently with external service providers and manage them effectively. * You are characterized by an analytical, structured, and independent working style. * Your strong communication skills and ability to work in a team set you apart. * Your very good German and English skills, both written and spoken, complete your profile. We are looking forward to your application and to applicants who enrich our diverse culture! Regardless of age, gender, origin and sexual identity and orientation. Severely disabled applicants will be given preference if equally qualified. This position can be full-time or part-time (min. 30h/week). DKV Mobility is looking for the best talents and knows that these are not always available on a full-time basis. Many of our employees work part-time or in flexible working models. Please talk to us about the flexibility you need during the application process. ## Description * You are responsible for the implementation, administration, monitoring, and maintenance of IT systems and services in a Windows Server environment, in compliance with defined security policies. * You analyze and resolve incidents in 2nd- and 3rd-level support within the Windows Server infrastructure. * You implement hardening measures to reliably meet regulatory, compliance, and security requirements. * In addition, you ensure the continuous development of the systems, with a focus on security, efficiency, and stability, and guarantee stable operations as well as correct and efficient licensing within lifecycle management. * You manage and monitor external service providers and ensure a high level of service quality. * You conduct market analyses for the selection and evaluation of hardware and software products. * You design and implement concepts for server and application operations in compliance with defined security policies. * You plan, coordinate, and support IT projects and business sub-projects from realization through testing to rollout. * You advise business departments on projects, changes, and adjustments to IT services, systems, and applications. * You analyze and evaluate functional, technical, and business requirements and ensure their secure integration. * You identify potential for process optimization, automation, and interface improvements and implement them sustainably., We stand for the compatibility of family and career! That's why we offer flexible working hours and family-friendly working time models. In addition, we rely on a balanced mix of on-site meetings and home office. ## Related Videos - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [From Tables to Graphs in Minutes: Supercharging Kusto Graph Analytics with AI-Powered Development](https://www.wearedevelopers.com/videos/1543-from-tables-to-graphs-in-minutes-supercharging-kusto-graph-analytics-with-ai-powered-development) - [This Is Not Your Father's .NET](https://www.wearedevelopers.com/videos/967-this-is-not-your-father-s-net) - [What’s New with Windows Power-User Tools](https://www.wearedevelopers.com/videos/2069-what-s-new-with-windows-power-user-tools) - [Claude, MCP and n8n, or: How to Automate Your Day with AI-powered Workflows](https://www.wearedevelopers.com/videos/2043-claude-mcp-and-n8n-or-how-to-automate-your-day-with-ai-powered-workflows) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [Jobs in Germany for Americans](https://www.wearedevelopers.com/magazine/423-jobs-in-germany-for-americans) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-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) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies)