Linux Server Administration
Operation, maintenance and troubleshooting of production Linux servers across Debian, Ubuntu and CentOS.
SpacePC.dev
Linux & DevOps Engineer
I manage and troubleshoot production systems with 150+ servers and thousands of users.
Operating production infrastructure, automated deployments and critical systems where reliability actually matters.
Services
Practical infrastructure work, without agency overhead.
Containerized Infrastructure (Docker)
Deployment and operation of production-ready container environments.
Web Hosting & Platforms
Operation of Nextcloud, WordPress, Django and hosting environments.
Production Troubleshooting
Analysis and resolution of high-load and critical system issues.
Experience
Built on long-term operations, not slide decks.
- 10+ years of experience in Linux operations, hosting and infrastructure automation.
- Managed and operated large-scale infrastructure with 150+ Linux servers.
- Supported platforms with 1300+ users, including Nextcloud and SSO.
- Built automated deployment and provisioning systems using Docker, Ansible and Python.
- Owned large Git environments and infrastructure workflows.
Projects
Selected work in automation, deployment and support tooling.
Automated Infrastructure Platform
End-to-end system for provisioning customer environments including deployment, DNS, hosting and automation.
Automated Server Deployment
Provisioning production Linux servers with Ansible including networking, monitoring and mail setup.
AI-Supported Ticket Automation
Automating support workflows through API integration and local AI models.
Web hosting and email operations
Operations and administration of web hosting infrastructure including email systems with maintenance, updates, and system monitoring for stable uptime.
References
Selected outcomes from web and hosting work.
- Built a high-performance website for a crafts business
- Implemented with Astro using Static Site Generation
- Integrated Cloudflare CDN for faster loading
Result: Google PageSpeed score 98+
- Administration of several servers via Plesk
- Support for WordPress websites and email systems
- Maintenance, updates and technical support
- Ensured availability and stable operations
Result: 10+ years of reliable operations and support
- Operations and administration of Linux servers
- Hosting of email systems and document management
- Maintenance, updates and system monitoring
- Ensuring stable and reliable operations
Result: 5 years of stable operations
- Built a high-performance website for a crafts business
- Implemented with Astro using Static Site Generation
- Integrated Cloudflare CDN for faster loading
Result: Google PageSpeed score 98+
- Administration of several servers via Plesk
- Support for WordPress websites and email systems
- Maintenance, updates and technical support
- Ensured availability and stable operations
Result: 10+ years of reliable operations and support
- Operations and administration of Linux servers
- Hosting of email systems and document management
- Maintenance, updates and system monitoring
- Ensuring stable and reliable operations
Result: 5 years of stable operations
About
Hi, I am Jonathan.
I am a Linux and DevOps engineer with more than 10 years of experience in server infrastructure, automation and troubleshooting.
My focus is building reliable systems and solving problems quickly and directly.
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Available for freelance projects
Describe your setup or problem.
I will get back to you and see how I can help with production Linux systems, deployments or urgent troubleshooting.
Oder direkt anrufen: +49 155 67388451