DevOps Engineer

12/2022 – offen

• Designed and configured CI/CD pipelines using Tekton, and ArgoCD and Automated the build, test, and deployment processes to streamline software delivery for a Fintech.
• Managed Infrastructure using Red Hat Openshift for microservices APIs in a fintech environment, ensuring scalability, reliability, and efficient deployment processes.
• Designed and configured robust CI/CD pipelines using GitHub Actions, Bitbucket, Azure DevOps, and GitLab CI to ensure consistent, reliable, and efficient application delivery across development and production environments.
• Designed and managed production-grade infrastructure environments on AWS, leveraging core services such as IAM, EC2, S3, VPC, ECS, EKS, Route53, CloudWatch, Inspector, and RDS to ensure scalability, security, high availability, and cost-effective resource utilization.
• Developed and maintained a library of generic and dynamic Terraform modules for AWS services, utilizing Terraform for infrastructure provisioning and automation across various projects within the company.
• Designed and implemented end-to-end monitoring solutions using self-managed Prometheus/Grafana and AWS CloudWatch, enabling real-time visibility into application and infrastructure performance, and facilitating proactive issue detection and resolution.
• Developed automation scripts using Python, Bash, and Powershell to proactively address and resolve critical system issues, enhancing system reliability and integration with the client's platform.
• Designed and managed cloud infrastructures on GCP, leveraging core services such as Compute Engine, App Engine, Cloud Storage, Cloud SQL, VPC Network, Cloud CDN, Cloud DNS, and IAM e.t.c. Optimized performance, implemented automation, and ensured cost-effective resource utilization.
• Successfully led the seamless migration of critical infrastructure and applications from AWS to Google Cloud Platform (GCP), ensuring zero downtime and seamless transition.
• Employed advanced networking techniques, including Virtual Private Cloud (VPC) peering and VPN tunnels, to establish secure connectivity between AWS and GCP for migration purposes.
• Conducted regular vulnerability assessments utilizing AWS Inspector to evaluate the security posture of various AWS resources and services, analyzed and interpreted scan results, and fixed security vulnerabilities.
• Administered Cloud Infrastructure on Azure, ensuring HIPAA compliance for a health-related project, demonstrating adherence to critical regulatory standards.

Nginx, Server-Monitoring, Docker, Windows Powershell, Linux (Kernel), Linux-Informatiker, Linux-Systemadministrator, Windows-Systemadministrator, Microsoft Azure, Kubernetes, Openshift, Amazon Web Services (AWS), Bash Shell, Cloud-Services, Cloud (allg.), Cloud Computing, Continuous Delivery, Continuous Integration, Git, Python, Python-Programmierer

3/2021 – 3/2023

• Designed, and maintained infrastructure for highly-available applications on AWS using a combination of AWS Console, CloudFormation, and Terraform, ensuring reliable performance and uptime.
• Extensive hands-on experience with a wide range of AWS services, including IAM, EC2, S3, VPC, ECS, EKS, Route53, CloudWatch, RDS, and CloudFormation, enabling efficient management of cloud infrastructures.
• Extensive experience with developing and utilizing custom Terraform Modules to streamline infrastructure management, resulting in improved scalability, consistency, and reusability.
• Designed and configured CI/CD pipelines using Jenkins, GitLab CI, and GitHub Actions, automating the build and deployment processes for applications, enhancing development efficiency, and reducing manual errors.
• Set up and managed production-grade AWS-managed (EKS) and self-managed Kubernetes clusters focusing on performance, high availability, and resource optimization.
• Proficiently containerized and migrated applications to Docker-based environments using ECS and EKS, ensuring streamlined deployments, scalability, and consistency across environments.
• Designed and managed Helm Charts for containerized applications on Kubernetes, simplifying the deployment process and enhancing the maintainability of applications.
• Proficiently set up and configured Grafana and Prometheus for monitoring applications, ensuring real-time visibility into performance metrics and enabling proactive issue detection and resolution.
• Demonstrated leadership skills by effectively leading a small team of DevOps professionals, assigning tasks, conducting reviews, and providing guidance to support the team in achieving their goals.
• Collaborated proactively with cross-functional teams, ensuring smooth project execution and timely deliveries.

Amazon Web Services (AWS), Bash Shell, Cloud-Services, Cloud (allg.), Cloud Computing, Cloud Spezialist, DevOps, DevOps-Ingenieur, DevOps (allg.), Docker, IT-Infrastrukturspezialist, IT Ingenieur-Infrastruktur, Kubernetes, Linux (Kernel), Python