• AWS Infrastructure Management: Provisioned and managed vital components like VPC, EC2, and Site-to-Site VPN, using IaC tools like Terraform or Cloud formation, ensuring seamless network connectivity and system availability.• DevOps Tools Integration: Skilfully installed, configured, and integrated a suite of DevOps tools including GitLab, GitLab runners, JFrog Artifactory, SonarQube, and HashiCorp Vault, enhancing development efficiency and software quality.• CI/CD Pipelines: Developed and maintained GitLab CI/CD pipelines, facilitating automated builds, testing, and deployments, thereby accelerating product delivery cycles.

• Kubernetes Cluster Management: Managed multiple clusters of vSphere with Tanzu Kubernetes and Google Kubernetes Engine, ensuring high availability and scalability.• CI/CD Pipelines: Expertise in building and managing GitLab CI/CD pipelines for streamlined software delivery.• Microservices Deployment: Authored Helm charts for the automatic deployment of microservices, optimizing the continuous deployment process.• Mobile App CI/CD: Implemented CI/CD with Fastlane for the automated build and distribution of mobile applications (Android, iOS), enhancing team productivity and release frequency.• Container and Cluster Security: Focused on DevSecOps by securing containers and Kubernetes clusters using tools as NeuVector or AquaSec ensuring robust security practices.

• Managing project migration from GitHub/Jenkins to GitLab CI/CD.• Creating pipelines for build, test and deployment of microservices.• Daily work with Gitlab, Git, Docker, Helm and other DevOps tools.• Interfaced with cross-functional team of business analysts, developers and technical support professionals to determine comprehensive list of requirement specifications for new applications.• Wrote code and supported architecture in high-throughput systems on Telekom cloud.

• Capability planning to fulfil enhanced application management requirements, e.g. release deployments or product / technology changes• Responsibility for technical, maintaining and operational concepts• Operative interface between Service Delivery Management, Customer, Development, Vendors and other delivery units• Plans, controls and is responsible for complete application-based request fulfilment.• Support and consulting of Service Delivery Management• Responsibility of customer-driven and / or technical changes during service lifecycle• Functional steering of whole service chain from medium to complex applications/services• Mentor Junior Administrators to spread knowledge level in the team and develop their skills.

• Operative interface between Service Delivery Management, Customer, Development, Vendors and other delivery units• Plans, controls and responsible for complete application-based request fulfillment• Responsibility for incident, problem, change, escalation management and operational documentation• Support and consulting of Service Delivery Management during order and pre-sales process and cost optimization