Azure Virtual Machines Experts in Germany

• Architected and deployed end-to-end machine learning pipelines across classification and prediction datasets, ensuring robustness and reproducibility through MLOps best practices.
• Contributed directly to LLM model output accuracy improvement by designing and engineering specialised prompts grounded in end-to-end ML and SciML pipeline logic.
• Developed training data for large language models by formulating coding problems that models could not resolve and subsequently documenting the correct solutions.

• As part of the project, I was responsible for operating a Citrix farm for 600 users, including optimizing the user experience and ensuring high availability.

• I managed and optimized the entire application landscape of a major customer, evaluated and implemented application updates, and ensured the compatibility and security of the software in use.

• I managed user accounts, implemented security policies, and monitored system performance.

• I administered Azure Entra ID to control identities and access rights, implemented security policies, and synchronized on-premises directories with the cloud.

• I implemented and managed Microsoft Intune for central management of client devices, including the configuration and management of BitLocker for disk encryption.

• I managed file servers and NTFS permissions to ensure secure and efficient data access management.

• I handled change requests and last-level support tickets efficiently to solve complex system issues and improve user satisfaction.

• I supported and advised the customer team on various topics and projects, identified areas for improvement, and implemented best practices.

Technologies used:

• Citrix XenApp and XenDesktop
• Microsoft Windows Server 2012R2 and 2022
• Exchange 2016 and Exchange Online
• Entra ID (Azure AD)
• Entra ID Connect
• BitLocker
• PowerShell scripting
• Microsoft Intune
• LDAP (Lightweight Directory Access Protocol)
• DNS services (Domain Name System)
• Active Directory Certificate Services (AD CS)

• Complete redesign of IT infrastructure including setup of a server room according to BSI standards, new network concept and planning.
• Development of security concepts and IT security consulting for the DHCP/DNS election sector.
• Support of project management for the customer in the VOIS | MESO area.
• Technical support for setting up the IT infrastructure in new offices, including firewall configuration, router setup and network planning.
• Setup and configuration of the service management and ticket system JIRA.
• Implementation and administration of the Azure (Entra) environment for all employees.
• Setup and administration of the Confluence environment.
• Planning, setup, configuration and administration of the entire Atlassian Collaboration Suite.
• Development of BCM strategy options.
• Development and implementation of measures and creation of BCM plans, as well as evaluation of existing BCM.

• Led large-scale legacy modernization and cloud migration programs for enterprise and banking clients across Europe.

• Directed the migration of 2500+ Lotus Notes mailboxes to Microsoft 365 (Outlook) using Azure VM with Binary Tree application.

• Architected and delivered transformation of legacy Lotus Notes applications to ServiceNow, SharePoint and AWS ECS (RDS MySQL, Secrets Manager).

• Designed and governed Java Spring Boot microservices architectures deployed on AWS ECS, using Terraform to replicate infrastructure.

• Organized Agile/Scrum sprints with daily stand-ups, reviews and retrospectives.

• Implemented DevOps practices, including CI/CD pipelines and Jenkins automated tests for deployment and performance monitoring.

• Managed international offshore teams by defining KPIs, resolving delivery risks, and ensuring on-time execution.

• Collaborated during ServiceNow ITSM implementation.

• Owned budget planning, cloud cost optimization, financial reporting, and executive dashboards.

• Delivered KPI/SLA monitoring application in Lotus Notes, automating tasks and improving Excel reporting efficiency by 100%.

• Reduced post-migration stabilization time by 30%.

• Improved user experience and platform adoption across migrated systems.

• Technology stack: AWS ECS, RDS MySQL, Azure VM, SharePoint, ServiceNow, Java 8, Spring Boot, JUnit, HCL/IBM Lotus Domino & Notes

• Led remote IT and cybersecurity operations, including secure device provisioning, app deployment, compliance monitoring, and endpoint security with Microsoft Intune and Defender for Endpoint.
• Managed Identity and Access Management (IAM) with Microsoft Entra ID, including implementing role-based access control, conditional access, VPN configuration, and multi-factor authentication (MFA).
• Maintained and secured Cloud PCs, provided technical remote support, and optimized performance within the Microsoft 365 Business environment.

• Designed and operated a GitOps-based Kubernetes platform, migrating services from AWS ECS to Amazon EKS.
• Built automated CI/CD pipelines for container build and deployment using GitLab CI, Helm, and Argo CD.
• Developed reusable Helm charts for Kubernetes resources (Ingress, Services, Secrets, HPA, ExternalDNS).
• Provisioned and managed EKS (Fargate and EC2) using Infrastructure as Code (Terraform / OpenTofu).
• Implemented OIDC-based authentication and authorization (Okta) for secure access to Kubernetes and Argo CD.
• Improved container security by migrating services to distroless images.
• Implemented logging, monitoring, and observability to ensure system reliability and performance.
• Automated cloud cost optimisation using Python (Boto3), achieving approximately 45% cost savings.
• Led migration of AWS infrastructure to IaC, reducing configuration drift and deployment issues.
• Produced technical documentation and operational runbooks, supporting internal engineering teams.