Microsoft Azure Experts in Dusseldorf

As Germany’s only large integrated energy company, EnBW covers the entire value chain—from energy generation and distribution to serving customers. The company is expanding its renewable energy sources, working toward a socially responsible coal phase-out, and advancing key technologies such as the use of green hydrogen. A rapid energy transition and achieving climate neutrality by 2035 are priorities for EnBW.  Developing and implementing an end-to-end process view that takes both technical and organizational aspects into account  Ensuring end-to-end control of all IAM-related technical services  Establishing clear responsibilities and accountabilities across the IAM landscape  Working with various departments to identify and optimize an end-to-end architecture and act as the Single Point of Contact (SPoC) for Information Security  Introducing and monitoring governance policies to ensure compliance and security  Continuously improving IAM processes and systems through regular audits and service reviews  Taking part in external process audits as part of official audits against ISO standards  Further developing the policy that sets administrative requirements and procedures, and aligning it with administrative departments  Conceptually developing the KPI system for measuring process quality

• Ran a group-wide steering committee to set strategic direction for a turnaround program. Planned delivery to secure go-to-market and investor milestones
• Prepared the project structure and supplier management process for an ACQ.4 Automotive SPICE audit. Built dry runs and compiled evidence with the team, resulting in a successful CL2 assessment
• Synchronized Automotive SPICE activities with the organization's SAFe rollout by screening base practices and agile artifacts for overlap. Avoided approximately 30% duplicate effort

Project: Introduction of statutory-compliant electronic invoicing (outbound, Germany) in SAP for an international technology group.

• Project management: Planning, steering and reporting of the E-Invoicing outbound rollout across all affected business areas, including budget and resource coordination.
• UAT: Structured user acceptance test with key users per business area, test cases per invoice scenario, and consolidated test results for decision making.
• Defect management: Handover and tracking of defects in Jira, including validation of the generated invoices against the statutory schemas.
• Cutover, go-live and hypercare: Readiness checks and cutover planning aligned with the statutory deadlines, coordination of go-live and stabilization during hypercare.
• Stakeholder management and reporting: Alignment with Finance, Tax, business departments and IT, preparation of status reports and decision papers, and consistent follow-up of open items.
• Change management and documentation: Communicated process changes to the business departments, enabled key users, and created process and compliance documentation to ensure traceability and audit readiness.

• QA Lead for end-to-end quality assurance of the Sparkasse & Sparkasse Business banking apps (iOS/Android); design and implementation of the Test Strategy including functional testing, regression testing, and UAT for eID, Push Notifications, and white-label components
• Creation and maintenance of test concepts and test plans in TestRail; structured Defect Management and error analysis; stakeholder management and risk management for the early identification of critical quality risks
• Accessibility Testing according to WCAG 2.1 (iOS/Android); coordination of AI-supported test automation and optimization of test processes to shorten release cycles
• Release Management: planning, management, and coordination of all test activities; status reporting to management and stakeholders; quality assessment of releases and release recommendations in an Agile/Scrum environment
• Challenge: Highly complex build and release process across several Sparkasse institutions; close coordination with the DevOps team to stabilize the CI/CD pipeline and ensure reproducible test builds before every release.

Tools: Jira, Confluence, TestRail, Android Studio, Xcode, Firebase, Jenkins, GA4

• Success: Successful launch of the eID authentication process - quality assurance ensured for 50+ Sparkasse institutions

Sovereign, cloud-native developer platform based on Kubernetes for critical energy infrastructure; around 200 people and 15 product teams.

• Introduced the product operating model for the platform, aligning around 18 product managers and product owners with Platform Architecture and Delivery in a matrix organisation.
• Defined the platform product processes and core product artefacts as the standard across all product teams.
• Established processes for non-functional requirements and Requests for Enhancement from consuming teams and customers.
• Designed the Jira structure supporting the programme's product and delivery processes.

• Created data pipelines and visualization tools to support sustainable energy decision-making
• Developed insights that could optimize renewable energy deployment and grid integration strategies

• Optimizing and accelera­tion of our Gitlab CI pipeline

• Conceptual work for the PoC of the Zero Trust system

• Extension of the policy-engine backend in Go

• Extension of the policy-testing mechanism in Python

• Architectural design of the PEP component of Zero Trust

• Documentation of the product

• Technologies: Zero Trust, Go, Python, Gitlab CI, Docker, JWT, Domain-Driven Design

• Training AI models, evaluating images and text UI/UX, turning the provided data into insights through OpenAI Feather as part of the machine learning workflow

Technologies: OpenAI Feather

• Led end-to-end delivery of ML/AI applications for the QuantistryLab simulation platform, from requirements definition and solution design to development, testing, deployment, and production support, coordinating efforts across back-end, DevOps, and ML teams
• Designed and implemented a compound search system with an open-weights LLM, the Pydantic AI agent framework, and the Model Context Protocol (MCP), exposing it through FastAPI endpoints
• Deployed and configured vLLM-based LLM serving on Kubernetes
• Built CI/CD pipelines and Helm charts to automate deployments across staging and production environments
• Instrumented the search system with OpenTelemetry spans and traces, integrating with the Honeycomb observability platform to monitor component-level latency and functional errors
• Developed a custom evaluation dataset and implemented evaluations for retrieval relevance, answer correctness, tool-call accuracy, and end-to-end task success
• Reduced infrared spectrum prediction time by 83% (from 60 to 10 minutes) by replacing a quantum-mechanical model with a pretrained graph neural network; fine-tuned the model using PyTorch, built and containerized the inference pipeline with Docker, and integrated it into the platform
• Implemented an MLflow model registry with MinIO-backed artifact storage
• Advised sales and science teams on ML/AI applications for prospective client projects, providing technical expertise to shape proposed solutions and prototypes

Technologies: AWS, Hetzner, Kubernetes, Helm, Docker, vLLM, Pydantic AI, MCP, Qwen, Llama 3, MLflow, MinIO, GitHub Actions, Python, FastAPI, OpenTelemetry, Honeycomb, PyTorch, Polars, pytest

• Industries: Energy, Telecommunications, Manufacturing
• Transformation & Change: Supported complex IT and digital transformation programs as Scrum Master, Agile Coach, Change Manager and RTE Consultant at Siemens Energy (global SAFe rollout), E.ON (sales technology platform), Schneider Electric (S/4HANA transformation DACH) and Vodafone (Operational Excellence)
• Agile Roles: Scrum Master, Agile Coach, Product Owner, Business Analyst, RTE Consultant in cross-functional and scaled teams (SAFe, Scrum, Spotify Model)
• Procurement Excellence: Strategic purchasing consulting with a focus on cost optimization, supplier management, digitalization and organizational development, including building supplier scorecard models, AI-supported procurement approaches and process automation in purchasing
• Managed functional leadership of interdisciplinary project teams of up to 12 people in national and international settings
• Successful launch of several global ARTs at Siemens Energy with improved coordination across sites
• Increased change acceptance and established communication structures in the S/4HANA program at Schneider Electric
• Introduced agile methods, OKR frameworks and KPI dashboards at E.ON, increasing velocity and transparency
• Reduced purchasing costs through strategic sourcing and supplier optimization
• Implemented process innovations in close cooperation with IT and business teams

• Supporting the DevOps team in Terraform-managed, multi-region AWS infrastructure to achieve environment parity.
• Developed end-to-end CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy, automating the build and deployment.
• Maintained pre- and post-deployment scripts to automate critical tasks such as database schema migrations and environment sanity checks.
• Implemented CI/CD flow specifically for hotfixes via separate Git branches, managing back-merge activities from feature branches to release branches to ensure code integrity through automated conflict resolution.
• Deployed a dedicated, lightweight sanity check application hosted cost-effectively on Azure Container Apps to run automated health and basic functional checks as a post-deployment activity triggered via pipeline.
• Investigated production incidents through code changes and AWS CloudWatch logs.
• Coordinated integration of Dynatrace APM and its APIs for monitoring purposes.
• Full stack QA strategist for a high-traffic e-commerce platform built on a layered architecture for the back-end testing of core platform services, especially the order management system in Zed and Glue layers.
• Managed automation activities, testing process, and refactoring practices.
• Responsible for framework migrations, setup, and training for new automation frameworks.
• Promoted a shift-left approach within the QA team and created the test concept.
• Participated in meetings with IT managers, business owners, product owners, and team members.
• Designed and implemented contract testing to validate API schema compatibility between the order management system and the Zed and Glue layers, reducing production-relevant breaking changes by approximately 3%.
• Led the migration to a multi-environment framework that enabled test execution across 4 country configurations from a single codebase.
• Integrated automated unit and functional tests directly into the GitLab CI/CD pipeline, reducing pipeline runtime by 32%.
• Coached and trained 5 QA engineers across Germany and Hungary in test automation, framework architecture, and best practices.
• Architected a layered backend test automation framework separating business logic, API request builders, and the database layer.
• Piloted AI-assisted testing with Playwright Agents, the Playwright MCP Server, and GitHub Copilot for automated test generation, execution, and self-healing Playwright scripts.

• Led end-to-end delivery of complex international customer-facing IT and system transformation projects across mobility, retail, life sciences, and product development domains.

• Managed project opportunities and delivery initiatives from concept development, planning, execution, migration, validation, deployment, and final customer acceptance.

• Acted as the primary point of contact for project stakeholders, ensuring alignment between customers, business units, suppliers, and delivery teams.

• Ensured timely project execution through proactive monitoring of milestones, deliverables, dependencies, risks, and resource requirements.

• Led and coordinated global cross-functional teams of 20+ members across multiple time zones. Served as the central coordination point for project activities, ensuring accountability, milestones, progress tracking, and timely resolution of issues across multiple stakeholders. Managed status reporting with all the stakeholders, providing clear and timely updates to ensure alignment on project goals.

• Provided functional leadership, mentoring, coaching, and issue resolution support to project team members. Worked closely with senior leadership and executive stakeholders to define project charter and project scope, priorities, milestones, manage dependencies, success criteria and achieve project goals.

• Collaborated closely with senior leadership, business stakeholders, suppliers, operations teams, and external partners to define project objectives and ensure successful execution.

• Managed stakeholder communication through executive dashboards, KPIs, governance reviews, steering committee meetings, and project status reporting.

• Anticipated business needs and provided effective technical solutions in a timely manner to improve business satisfaction.

• Led and supported sub-project management structures, ensuring consistent execution, reporting, and escalation across complex initiatives.

• Managed supplier relationships and service providers to ensure compliance with contractual obligations, service levels, timelines, and quality expectations.

• Supported vendor selection processes, RFP evaluations, delivery governance, cost monitoring, and performance reviews.

• Controlled project budgets, forecasts, resource allocations, and financial tracking to ensure delivery within approved constraints.

• Scheduled workshops explaining the business requirement, prioritizing project goals and managing change.

• Oversaw cloud migrations (Azure/ AWS), database migrations/upgrades, system upgrades, infrastructure & application modernization, data management, legacy decommissioning initiatives, AI solutioning, transition plan of 2000+ applications etc.

• Coordinated execution, deployment, integration, commissioning, data migration and handover activities to ensure production readiness.

• Led a cross-functional team proactively managing dependencies and resolving project issues to closure, while maintaining delivery timelines.

• Proactively managed project risks, dependencies, issues, change requests, and escalations to ensure predictable project outcomes.

• Ensured compliance with GxP, ITIL, corporate governance standards, validation requirements, and audit controls.

• Led internal and external audit support activities, validation documentation, CAPA coordination, and regulatory compliance initiatives.

• Drove process standardization, automation, and governance improvements across project delivery functions.

• Led application rationalization initiatives resulting in the retirement of more than 50 legacy applications, improving operational efficiency and reducing maintenance costs.

• Currently driving Generative AI initiatives to automate project documentation, reporting, knowledge management, and delivery processes.

• Facilitated lessons learned workshops and implemented continuous improvement actions to enhance project execution effectiveness.

• Gathered and analyzed requirements in close collaboration with business departments to develop data-driven solutions and scalable PowerBI reporting infrastructures.
• Conducted detailed error analyses and optimized existing semantic and data models to ensure a robust data architecture and high data quality and to improve PowerBI reporting.
• Developed and implemented scalable ETL processes for data preparation and integration.
• Built a wiki for table and view descriptions as well as PowerBI PowerQuery and KPI documentation to ensure a consistent understanding of data structures and key performance indicators.

• Design, installation, configuration, administration, optimization and further development of IT infrastructures in Citrix environments
• Updating older Citrix systems to the latest versions
• Installation, configuration and deployment of applications in Citrix environments
• 2nd- and 3rd-level support
• Performance analysis and optimization in complex Citrix environments
• Analysis and resolution of issues in complex Citrix systems
• Creation, updating and management of technical documentation
• Troubleshooting slow logons in Citrix XenApp / CVAD environments
• Analysis and resolution of printer issues in Citrix environments
• Creation, management and optimization of Citrix VDI policies
• Citrix Virtual Apps and Desktops (CVAD) 2402 LTSR, Citrix Virtual Desktop Infrastructure (VDI), Citrix Hypervisor / Citrix XenServer, Citrix Director / Citrix StoreFront, Citrix Machine Creation Services (MCS) / Citrix Provisioning Services (PVS), Citrix App Layering, Citrix Workspace Environment Management (WEM), Citrix Profile Management
• NetScaler SDX 14 / NetScaler Gateway 14 / NetScaler Console 14, NetScaler Load Balancing / Global Server Load Balancing (GSLB), NetScaler Applications Analytics (Web Insights, Security Insights, SSL Insights, TCP Insights, Gateway Insights, HDX Insights, ADC Infrastructure Analytics)
• Design, installation, configuration, administration, optimization and further development of IT infrastructures in Microsoft environments
• Updating older Microsoft systems to the latest versions
• Installation, configuration and deployment of applications in Microsoft environments
• Creation, management and optimization of Microsoft Group Policy policies
• Design, implementation and administration of Microsoft Azure environments
• Windows Server 2022 / Windows 11, Windows Group Policy / Active Directory, Remote Desktop Services (RDS), SQL Server 2022 / SCCM Server, RADIUS Server, FSLogix, PowerShell
• Implementation of standard changes in accordance with ITIL guidelines
• VMWare / Splunk