I'm Yurii Kosyi, though some know me as Marko 😃. I have over 15 years of experience in IT, covering system administration, web development, and leading small technical teams. I've specialized in building and maintaining reliable, scalable, and secure DevOps infrastructure. Additionally, I am an AI enthusiast who actively integrates AI technologies into my workflows to optimize and enhance processes.

For the past decade, I've been working at SEOSmart as the head of the technical department, where I've led a team responsible for ensuring the smooth operation of various infrastructure components, including websites, applications, and internal tools.

• Kubernetes: Design, deploy, and manage containerized applications, ensuring scalability and high availability.
• Terraform: Infrastructure as Code (IaC) for automated cloud infrastructure provisioning and management.
• Google Cloud Platform (GCP): Experience in architecting and maintaining scalable cloud solutions.
• Flux & ArgoCD (GitOps): Automating Kubernetes deployments with GitOps practices.
• CI/CD Pipelines: Extensive work on designing and maintaining CI/CD pipelines using GitHub Actions.
• Containers: Proficient in Docker, managing container lifecycles and orchestration.

• Golang: Development of automation scripts and microservices.
• Python: Scripting and automation to streamline processes.
• PHP: Full-stack web development, particularly for front-end solutions.
• Bash: Expertise in shell scripting for automation and system management tasks.

• Grafana: Custom dashboards for real-time monitoring and visualization.
• Prometheus: Metric collection and alerting mechanisms for system health.
• OpenTelemetry: Distributed tracing and performance monitoring.

• AI Enthusiast: Passionate about integrating AI technologies to optimize enterprise processes.
• OpenAI API: Leveraging OpenAI's capabilities to develop intelligent automation solutions.
• Olama: Experimenting with and implementing Olama-based AI models to enhance decision-making processes.
• OpenWebUI: Utilizing OpenWebUI tools for AI-based interface customizations.
• Meta LLaMA3.1: Working with Meta's LLaMA 3.1 model for advanced AI applications and integrations.

• System Administration: Expertise in managing Linux-based systems for web hosting, VPS, and VDS environments, Network.
• Backup Solutions: Planning and maintaining robust backup strategies.
• Cloud Platforms: Experienced with Hetzner, DigitalOcean, and GCP cloud solutions.
• Web Development: Strong background in frontend and backend development with PHP, HTML, and CSS.
• Team Management: Proven ability to lead, strategize, and motivate teams towards successful project completion.

Head of Technical Department

• Operational management of the technical department, providing support for applications, online platforms, and SaaS solutions.
• Developed and maintained cloud infrastructure for applications and websites/e-commerce platforms.

• UA-WEB (2013-2014) — SEO Specialist - Team Lead
• Aweb (2013) — SEO Specialist
• NOVUS / Leda Company (2011-2013) — SAP Basis Administrator
• Chornomorska Perlyna JSC (2008-2010) — System Administrator
• Odeskyi Korovai JSC (2006-2008) — System Administrator

• System Administration: Linux, Windows, Network and Server maintenance.
• Database Management: Oracle DB, SAP Infrastructure support.
• SEO & Web Tech: Technical SEO, Web Development (PHP, HTML, CSS).

Bachelor’s Degree in Electrical Engineering,
specialization in Power Supply for Industrial and Municipal Facilities

Course on IBM AIX Administration and Oracle DB

• GlobalLogic DEVOPS101 (2024)
  Completed course on foundational DevOps practices

• DevOps та Kubernetes. Практичний інтенсив+ by Prometheus (2024)
  Intensive practical course focusing on DevOps methodologies and Kubernetes management

• Leadership: I have team management skills with a focus on cultivating a supportive and productive environment.
• Communication: Effectively convey complex concepts to both technical and non-technical stakeholders.
• Problem-Solving: Rapid identification and resolution of technical challenges.
• Organization: Proficient in planning and executing large-scale technical projects.
• Flexibility: Easily adapt to evolving technologies and methodologies.
• Stress Management: Ability to maintain performance under pressure in fast-paced environments.

I love traveling, spending time with family, and have an interest in aviation (general).

⭐️ Feel free to reach out to me on LinkedIn or GitHub for any questions or collaboration opportunities!