Senior Devops Engineer

12/2021 – 12/2024

1. Developed CI/CD pipelines in Azure DevOps (AZDO) for Dot NET and Angular applications with SonarQube and JFrog Artifactory, reducing
deployment time by 40 percent.

2. Automated multi-region package deployment, minimizing manual
intervention and deployment errors.

3. Designed and implemented GitHub Actions workflows for standardized
Azure services deployment.

4. Led migration of on-prem .NET applications to Azure Kubernetes Service (AKS/MKS), integrating GitOps (FluxCD) and Helm charts.

5. Streamlined API Gateway policies and deployed Azure API Management
(APIM) proxies.

6. Migrated source code from Azure DevOps (AZDO) to GitHub Enterprise,
improving code management efficiency.

7. Developed Python scripts to enforce branch policies and automate
master branch locking, reducing manual oversight.

8. Integrated Snyk and Fortify for security vulnerability scanning across
repositories.

Application Development, CA ARCserve High Availability, Kostenoptimierung, Systemmigration

5/2021 – 12/2021

1. Migrated on-premises workloads to Azure using Azure Site Recovery
(ASR) and Azure Backup.

2. Provisioned infrastructure-as-code (IaC) with Terraform modules for
Azure services.

3. Deployed applications on AKS clusters, utilizing Calico networking and
Helm-based deployments.

4. Built custom Linux images with Packer, configured software
dependencies using Ansible in AZDO.

5. Implemented Active Directory integration with Azure File Share and
Kubernetes clusters.

6. Automated IIS configuration with PowerShell scripts in Azure DevOps
Configured and troubleshot TCP/IP, DNS, NTP, CIFS, and Samba on
Linux/Windows servers.

7 . Automated cron jobs for production monitoring and system maintenance.

Systemmigration, Infrastrukturarchitektur, Produktionsoptimierung

8/2019 – 12/2020

1. Implemented AWS services: EC2, VPC, Beanstalk, CloudFormation, IAM,ELB, Lambda, CloudWatch, SQS, SNS, CloudTrail, RDS

2. Designed high-availability infrastructure with Auto Scaling Groups (ASG) and Load Balancers.

3. Enabled cross-account and cross-region S3 replication with restricted
IAM permissions.

4. Automated AWS snapshot encryption and backup notifications via
Lambda functions.

5. Managed AWS CI/CD workflows with CodePipeline, CodeBuild,
CodeDeploy, Elastic Beanstalk.

6. Created AMI images using Packer and deployed across 200+ instances,
reducing manual efforts by 80 percent.

7. Integrated Datadog monitoring agents into 200+ EC2 instances via
Ansible playbooks.

8. Configured IAM roles, policies, and groups, ensuring secure access
control.

9. Administered Jenkins, Puppet, and Artifactory, optimizing software
deployment processes.

10 . Managed Linux servers, including LVM, patching, and troubleshooting on RedHat and Solaris platforms.

Load Balancing, CA ARCserve High Availability, Kostenoptimierung