Hire the Best Linux System Administrators
in Germany

Hosting provider at elyrix.de - Redundant Ceph storage, HA systems, autohealing - no downtime during regular maintenance anymore! I am a passionate German IT professional specializing in Linux system administration, managed hosting, and DevOps. From my work as an operational IT security specialist, I also bring solid expertise in secure infrastructures and security-focused configurations. My focus is on pragmatic, reliable, and secure solutions - from server and hosting environments through deployment pipelines to the automation of recurring technical tasks. I help companies run their Linux-based infrastructure in a stable, maintainable, and secure way. Concrete, in-depth experience in: - Managed hosting (incl. redundant Ceph storage, HA systems, autohealing) - Automation with Ansible - CI/CD and DevOps workflows - Application virtualization with Docker - Python scripting - Virtualization with Proxmox - General system administration on Debian-based systems Where it makes sense, I deliberately use modern AI tools - e.g. for documentation, analysis, scripting, and AI-assisted development on client projects. For my clients - from small and medium-sized businesses to individual project teams - I have set up and maintained a broad range of services, including: - Identity and Access Management (IAM), including SSO for all connected applications - Email and web services (Mailcow, Stalwart, Plesk) - Ticketing system (Zammad) - Monitoring (various, including Grafana, CheckMK, Zabbix) - File sharing with Nextcloud - CRM setup as needed (EspoCRM) This naturally also includes configuring a variety of physical and virtual servers, routers/firewalls (OPNsense), various WireGuard VPN connections (site-to-site, end-to-site), and much more. I additionally bring foundational experience with cloud environments such as Microsoft 365 and AWS.

Need a quick fix for your Linux server or a Python automation script? I am a Linux System Administrator and Python Developer with 3+ years of experience in troubleshooting and server management. I specialize in fixing errors, deploying scripts, and automating routine tasks via the terminal. What I can do for you: - Linux & VPS Management: Fix Nginx/Apache errors, configure Ubuntu/Debian/CentOS servers, set up permissions, SSH, and firewalls. - Python Automation: Write clean scripts to automate data processing, file management, and bots. - Bash & Shell Scripting: Create backup scripts, cron jobs, and system monitoring tools. - Debugging: Analyze logs to find why your service crashed and fix it. Why work with me: - Fast & Efficient: I get straight to the point. - Results-Oriented: You pay for the solution, not the hours spent trying. - Text-Based Updates: I provide clear written reports on what was fixed. I am currently based in Germany (CET Timezone). Available for urgent tasks. Let's get your system back on track.

Enterprise-level Windows and Linux system administrator, infrastructure engineer, with 20+ years of expertise. Certified MS Teams, CompTIA Linux+ and Azure which I´m specialized in Office 365 services like Exchange, SharePoint OneDrive and in managing Office 365 environment. Veeam Certified Engineer (VMCE) 2023, UniFi Wireless Specialist ✅Here's what I can add to your project: Migrations and Implementations all including onprem/cloud/hybrid profiles -New active directory (AD), domain migration and synchronization, Azure Active Directory (AAD) -New tenants’ setup with exchange, SharePoint and Teams services -Configuration of SSO (single-sign-on) with 3rd party apps ex.: Adobe suite, Personio, TeamViewer -License attribution and cloud costs management. -Tenant to tenant migrations -VPN connection between HQ and branch offices, user VPN connection with 2nd factor authentication enabled, soft token or hard token. -Windows and Linux server Administration ✅And technologies like Hypervisors – Vmware Esxi, vCloud, Hyper-V and Proxmox. Storage - TrueNAS, Dell EMC Data Domain and Dell Equallogic Antivirus - Kaspersky - Microsoft MDATP (defender) Firewall - pfsense Switching – NETGEAR, Dell and Cisco MDM - Endpoint Central (ManageEngine) Identity management – OpenLDAP, ADDS, AAD including SSO + MFA to 3rd party applications. Languages - Ansible /Yaml - Pwsh Cloud – Azure, AWS and GCP Monitoring – Zabbix Backup – Backup Exec, Veeam Experienced in discussing knowledge-based document creation, change management and Disaster Recovery / Business Continuity creation and implementation. Familiar with DevOps practices – Agile infrastructure, CI and CD, also in tools such as JIRA, Confluence, Jenkins and experience in technologies such as Ansible, Docker, IT Helpdesk handling service desk ranging from AD password resets, application issues, software/hardware troubleshooting, mobile device management etc. Technical Knowledge Manager handling business solutions and analysis. Owner of a great sense of urgency, commitment and focus on results reporting them through KPIs. Ability to work with multidisciplinary teams in several countries in a global outsourcing model. ⭐ As an individual, I am extremely adaptable, resourceful, resilient, and genuinely want to overdeliver, to improve my client´s workability. Something else, I have a dedicated course published on Udemy about Linux Essentials to people beginning in Linux world and I´m proud to say that by now more than 5.161 students already made it and my overall rate fluctuate between 4.5 and 4.8 stars. You can check it out here in portfolio. ⭐I do understand that information technology needs to be addressed to boost operational efficiency and meet business outcomes. Thank you for your time and interest in my profile.

I am a professional System Administrator with strong hands-on experience in Linux and Windows server environments, cloud infrastructure, and modern hosting setups. I currently work as an IT System Administrator and manage complete production environments, including Microsoft 365, Linux servers, WordPress hosting, DNS, email infrastructure, and security-critical systems. My focus is always on stability, security, and solutions that work reliably in real-world business environments. What I do best: - Linux server administration (Ubuntu) - Cloud and VPS environments - WordPress hosting and troubleshooting - DNS, SSL, email, and domain configuration - Server security hardening and monitoring - Performance optimization and problem analysis - Ongoing maintenance and on-demand support I work very pragmatically: I analyze problems quickly, explain issues clearly, and fix them without unnecessary complexity. Many of my projects are not one-time tasks but ongoing, as-needed support roles. I strongly believe that servers, email systems, and hosting environments must be maintained continuously to stay secure and performant. That’s why I often work as a long-term technical partner rather than just a short-term contractor. In addition to my client work, I run a technical YouTube channel where I openly share system administration, self-hosting, and infrastructure knowledge: www[DOT]youtube[DOT]com/@thesysadminhub This channel reflects how I work: transparent, practical, and focused on real solutions instead of theory. You can also learn more about my services and background here: www[DOT]thesysadminhub[DOT]com If you are looking for a reliable system administrator who can support your infrastructure on-demand, troubleshoot issues efficiently, and help keep your systems stable and secure over the long term, I would be happy to work with you.