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Mattias Hemmingsson

** DevOps Engineer | SRE | IT Security Specialist | Hacker | Podcast Host| Author **

Publish Books

See my publish books Mattias Hemmingsson on Amazon

Community

To share knowledge and work helping people im working on the Local Stockhol chapter for the plattform enginering community

See what we do

Wazuh

One project Im helping is wazuh and im a wazuh Ambassador

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Professional Summary

Experienced IT professional with over 20 years of expertise in managing and optimizing IT infrastructures. Specialized in cloud computing, server management, and DevOps practices, with a proven track record of successfully implementing large-scale, high-availability systems. Adept at leveraging Kubernetes, Docker, and CI/CD tools to enhance developer productivity and operational efficiency. Experienced in migrating services across cloud and on-premises environments while maintaining service continuity and performance.

Key Expertise

Hosting & Infrastructure Management

  • Extensive experience managing IT services across physical servers, virtual machines, and cloud environments (AWS, Azure, Google Cloud).
  • Proven success in ensuring high availability, scalability, and performance of mission-critical platforms and web applications, particularly within large-scale payment systems.

Platform & Application Development

  • Developed non-blocking, scalable platforms to improve developer workflows and system efficiency.
  • Implemented CI/CD pipelines to automate testing, deployment, and monitoring, reducing time to market and improving software quality.

Cloud Migration & Services

  • Led multiple successful cloud migrations, ensuring seamless transitions between on-premises and cloud environments.
  • Managed reverse migrations, restoring critical services to physical servers when necessary, while maintaining uninterrupted operations.

Containerization & Orchestration

  • Expertise in deploying and managing containerized services using Kubernetes, Docker, and other container orchestration tools.
  • Optimized infrastructure performance by utilizing containerization strategies for improved resource utilization and system reliability.

Skills

  • Technologies: Kubernetes, Docker, Jenkins, GitLab CI, AWS, Azure, Google Cloud
  • Core Competencies: Server management, cloud infrastructure, migration strategies, container orchestration
  • Additional Skills: Automation, troubleshooting, performance tuning, Infrastructure as Code (IaC), monitoring

Education & Certifications

  • Relevant certifications and ongoing professional development in cloud computing, DevOps, and related technologies. Including Security.

Professional Development

  • Continuous learning in the latest DevOps and cloud computing trends through online courses, workshops, and industry events.
  • Teaching Students
  • Writing book and blog posts

Security Tools

  • Setup and config security tools like, Scanners and automated security test, SIEM and SOAR tools.

Prgramming

  • Python backend and api
  • Javascript frontent
  • mysql,mongodb,elasticsearch and many more databases
  • Que example SQS, kafka and nats
  • Cache service like Redis
  • Api gateway, Security Auth, CDN