Hire the Best Linux System Administrators
in Poland

**IT Specialist & Server Engineering Expert** With over 10 years of experience in the IT industry, I am a results-driven systems engineer specializing in server infrastructure, cloud technologies, and automation. My background includes working with large hosting companies where I excelled in troubleshooting performance issues, configuring servers, and integrating cutting-edge technologies into scalable environments. *Key Expertise*: - LAMP Stack (Linux, Apache, MySQL, PHP) - Linux Mail Stack: Exim/Postfix, Dovecot - Open-Xchange Products: PowerDNS, Open-Xchange, Dovecot Pro - Load Balancing: F5 Big-IP, HAProxy - CI/CD Pipelines: Jenkins, with deep knowledge of scripting Jenkins pipelines and automating workflows - Virtualization: Proxmox (LXC containers, VMs) - Automation: Ansible for streamlined configuration management - Containerization: Docker, Kubernetes for scalable microservice architectures - IaC: terraform I specialize in delivering optimized, secure, and reliable server solutions that meet the growing demands of modern IT environments. My passion for automation and continuous improvement ensures efficient workflows and infrastructure scalability.

20+ years of IT expertise. Bulletproof server infrastructure. Zero-downtime migrations. Since 2003, I have been building, securing, and maintaining robust IT environments. Over the last 19 years, my core focus has been high-level administration of Linux (Unix-like) and Windows server ecosystems. I don't just "manage servers" — I optimize your infrastructure to cut unnecessary hosting costs, boost performance, and ensure your data is safe with strict security policies and automated backup strategies. Whether you need to migrate complex websites to OVHcloud/AWS, configure a secure LEMP stack, or rescue a crashing server, I bring two decades of hands-on troubleshooting experience to the table. 🛠️ MY TECHNICAL TOOLKIT: ● Cloud & Infrastructure: AWS (EC2, S3), DigitalOcean, Hetzner, GoDaddy, OVHcloud. ● Server Administration: Linux (Ubuntu, Debian, CentOS), Windows Server, macOS. ● Web Servers & Environments: LAMP/LEMP stacks, Nginx, Apache, FTP, DHCP. ● Control Panels: WHM / cPanel, VestaCP. ● Security & Monitoring: Fail2ban, SSL deployment, Monit. ● Development & Integrations: Python, Django, HTML5, CSS3, Cloudinary. ● Project Management & Tools: Atlassian Jira, OpenProject, Redmine. 💡 MY WORKING PRINCIPLES: 1. Safety First: I always verify and create redundant backups before performing any destructive or critical infrastructure changes. 2. Business-Oriented: I help you map out your hosting assets to eliminate oversized plans and save on monthly bills. 3. Transparent Communication: You will always know exactly what is being done, why it’s being done, and how it benefits your project. If you are looking for a seasoned professional to audit your hosting, migrate your services, or ensure 99.9% uptime for your applications — let’s connect. Click "Invite to Job" or send a message to discuss your infrastructure needs!

Most AI projects fail because developers build technology, not solutions. I build solutions. Results that matter: → 40% student engagement boost (Post University - 5,000+ students) → 38% infrastructure cost reduction while scaling to 50K users → 50% reduction in meeting organization time → 100K+ predictions daily on ML systems I've built 15+ years | 60+ AI projects | Clients include Post University, SentiOne, TC Global, Hello Chef I specialize in three areas: AI Agents & Chatbots — Conversational AI that actually works. OpenAI, Anthropic, LangChain, open-source LLMs. From proof-of-concept to production serving thousands of users daily. AI Automation — Eliminating manual work that drains your team. Workflow automation, document processing, data pipelines that run themselves. EdTech AI — Deep expertise in education technology. LMS integrations, student engagement systems, FERPA-compliant solutions. I work with DLABS.AI, bringing enterprise-grade AI infrastructure to every project. Whether you need a chatbot handling 1,000+ queries/day or an automation cutting costs by 38%, I focus on measurable outcomes, not just deliverables. My approach: Strategy first, then build. Every project starts with understanding your actual problem, not jumping to code. Ready to discuss your AI challenge?