Responsibilities include:

• Implemented CNCF technologies for clients across various industries, managing the deployment of networking, storage, monitoring, and disaster recovery solutions within Kubernetes clusters
• I actively participated in a major Kubernetes upgrade campaign (25+ clusters) aimed at upgrading client clusters to the latest available versions (100+ version upgrades achieved with minimal downtime and without exceeding the error budget). This initiative provided me with an opportunity to significantly enhance my expertise across a wide spectrum of internal cluster services. I executed these operations on leading cloud providers, as well as on-premise environments utilizing vSphere.
• I took part in overnight rotations for the 24/7 on-call service for critical clients and actively monitored live streaming services that experienced heavy traffic during live broadcasts (>2000 requests per second)

Technologies involved: Kubernetes, Grafana, Prometheus, Velero, NGINX Ingress Controller, AWS, Azure, Terraform, Ansible, Kong Gateway

Responsibilities include:

• Proficient in infrastructure provisioning utilizing Infrastructure as Code (IaC) policies across leading cloud providers via Terraform Cloud or with self managed state (25+ projects). Experience in designing and implementing pipelines for seamless container deployments on Kubernetes and Amazon Elastic Container Service (ECS)
• Migrated an entire project and all its components from Docker Swarm (on premise) to Kubernetes (OKE) and created pipelines for each service to enable automatic build and deployment

Technologies involved: Kubernetes, Docker, Terraform, Linux System, AWS Services (EKS, ECS, ECR, EC2, VPC, Lambda,S3, CDN, Pipeline Stack, IAM), Oracle Cloud

Responsibilities include:

• Set up cloud architecture with EC2 istances, AWS Lambda, Kafka, MongoDB, Nginx and ELK stack to map road accidents. Data collection using sensors on a RaspberryPi.
• Managed the IT department of a clinic (140+ workstations) abd and the connections with the medical devices in the clinic’s laboratory. Migrated nearly all end-of-life devices to more supported versions. Network troubleshooting, experience Windows and Linux Server. User management and related privileges within Active Directory
• Configured and managed firewalls for all company clients (15+ firewalls), including user profile management for approximately 150 users for VPN access. • Reorganized backup policies for many of the clients for whom I managed the storage aspect, implementing a 3-2-1 backup strategy from scratch

Technologies involved: Linux, AWS (EC2, VPC, Lambda), Windows Server