ServiceNow Experts in Cologne

• Project: ESU Windows and SQL Server consolidation / Configuration Management in ServiceNow
• Creation of an as-is analysis of all servers worldwide
• Creation of an as-is analysis of all SQL servers worldwide
• Creation of requirements analyses for SQL and server migrations
• Coordination of requirements with partners for migrations to Hyper-V (on-premises) or Azure Cloud
• Moderation of jour fixe meetings
• Creation of roadmaps and solution models for server migrations
• Setup of test scenarios
• Moderation of workshops for the introduction of a Global Admin Team
• Creation of data models (CMDB) in ServiceNow
• Conducting workshops for the CMDB data model
• Creation of solution models for the CMDB
• Creation of seamless configuration and work documentation for the CMDB
• Creation of reports for license management
• Creation of KPIs for data quality in ServiceNow
• Creation of a service catalog
• Moderation of workshops for creating service requests
• Interface between needs analysis and ServiceNow development team
• Systems used: Windows 7, Windows 10, Microsoft Office 365/2010, Windows Server 20xx, SQL Server 20xx, SharePoint, Azure Cloud, Hyper-V, ServiceNow, various tools

• 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.

• Development of the overall architecture
• Support for the respective workstreams in developing architectures in the areas of infrastructure, data centers, security, and network topology
• Management of the architect pool
• Support for program management in setting up the transformation project based on agile methods
• Consideration of regulatory requirements for IT projects in the federal administration

Project: Rollout of new infrastructure components

• Defined and managed the implementation of an overarching management framework with clear roles and responsibilities as part of the hardware rollout.
• Designed and established governance and control mechanisms, including the development of compliance requirements and processes for continuous quality assurance, supported by ServiceNow.
• Coordinated technical activities between service, infrastructure and specialist teams to ensure the smooth delivery and commissioning of printers and notebooks.
• Created a detailed rollout plan with specific timelines, milestones and responsibilities.
• Managed the procurement, delivery, testing, configuration, installation and on-site commissioning of hardware, including integration into existing IT systems.
• Established and continuously optimized processes for the procurement, distribution and use of printers and notebooks.
• Developed and implemented standardized provisioning processes, analyzed existing procedures, harmonized the processes involved and ensured compliance with security, compliance and quality requirements.
• Introduced agile methods to continuously improve the hardware provisioning process.
• Promoted collaboration through clear responsibilities and communication structures between internal IT teams and external service providers.
• Documented and monitored rollout progress, created rollout reports and tracked hardware implementation in real time.
• Supported change management and organized and delivered training sessions for end users.
• Created user manuals and online resources.
• Analyzed the existing hardware landscape, created hardware inventories, assessed current equipment and checked hardware compatibility.
• Developed detailed infrastructure mappings.
• Planned, organized and conducted structured interviews with key stakeholders and created requirements documents.

• Service owner of the receivables management platform Ikarus
• Management and coordination of external 1st-level service providers
• Team leadership and building ITIL-compliant support structures
• Managing the handover to 3rd-level support (internal & external, incl. vendor/development)
• Stakeholder management between the business unit, IT, and external partners
• Jira ticket automations and maintenance of Confluence documentation

• Regulated environment within a German banking group (approx. 8,500 employees, hybrid cloud strategy).

• Responsible for operating, provisioning, and continuously securing business-critical platforms – including a GenAI chat application, a big data/AI platform, and data science workspaces based on Azure Virtual Desktops and VMs. Ownership of Azure DevOps projects for ShaiHulud and React2Shell, as well as BSI alerts – Security Operations improvements across the SDLC.

• Deployment responsibility for the GenAI chat application, big data/AI platform (BDAI), and data science workspaces (AVD/VM-based) in the respective landing zones.

• Deployment & release management: end-to-end responsibility for deploying portal and service applications across multiple Azure landing zones, including technical approvals, compliance with development team deployment guidelines, and ensuring ITIL-based change and release processes via ServiceNow.

• Azure landing zones & network architecture: design, provisioning, and operation of Azure landing zones for 3-tier web applications with enhanced network segmentation, VNet peering, hub-and-spoke architectures, private endpoints, and firewall integration across separate subscriptions and tenants.

• Azure DevOps governance & operations: ownership of the Azure DevOps organization, including projects, repositories, and CI/CD pipelines; implementation of governance requirements such as branch policies, approval gates, permission models, and audit-ready operating structures.

• Infrastructure as Code (Terraform): design, implementation, and operation of a modular Terraform architecture for standardized cloud infrastructure deployment, including state management, provider versioning, reusability, and policy-as-code approaches.

• CI/CD pipeline engineering: design, operation, and optimization of complex YAML-based CI/CD pipelines with multi-stage deployments, template standardization, self-hosted agents, integrated secret management, and automated quality and security checks.

• Git migration & platform consolidation: planning and execution of repository and pipeline migration from Azure DevOps to GitLab CI/CD, including automated scripts, full Git history transfer, pipeline porting, and platform consolidation.

• Container & platform operations (AKS): operation and security assessment of containerized workloads on Azure Kubernetes Service, centralization of on-premises container registries for ACR.

• OpenShift (OCP) security reviews: security assessment of code baselines, build pipelines, and deployment processes for on-premises OpenShift clusters with critical applications, and derivation of specific hardening recommendations.

• Shift-left security & DevSecOps transformation: introduction of a company-wide shift-left approach for early security integration in development and deployment processes, enabling developers to perform self-led security checks and sustainably reduce vulnerabilities before production (IDE integrations, pre-commit hooks, local scanners).

• Software supply chain security: analysis and mitigation of supply chain risks in NPM- and Yarn-based applications through dependency audits, CI/CD pipeline hardening, token rotation, and restriction of risky build and lifecycle mechanisms.

• Frontend & framework security (React / Next.js): security assessment and coordination of critical vulnerability remediation across platform applications and web frameworks, including coordination and complementary technical mitigations with all teams following BSI alerts.

• Software composition analysis (SCA): introduction and operation of automated vulnerability scans for container images, pipelines/artifacts, and third-party dependencies, including SBOM exports within CI/CD pipelines.

• SAST/DAST integration: design and piloting of static and dynamic application security tests in close collaboration with security architecture and development teams, for continuous improvement of code and runtime security, and establishing operational acceptance tests.

• Artifact & registry consolidation: analysis and consolidation of all package and container repositories for service applications and AKS workloads, aiming for a centralized, secured registry strategy with centralized vulnerability scanning and governance.

• Dependency-Track & SBOM strategy: advising the compliance board on introducing a central SBOM and vulnerability management platform to increase enterprise-wide dependency transparency and accelerate CVE response capability.

• CI/CD pipeline hardening: security analysis and cleanup of the existing pipeline landscape by removing unused pipelines, improving secrets hygiene, implementing least-privilege principles, and isolating build agent environments.

• Azure Web Application Firewall (WAF) optimization: analysis and tuning of existing Azure WAF rules (OWASP Top 10 Core Rule Set, DSR/SDC, custom rules) to defend against known vulnerabilities and exploit patterns, including reducing false positives and improving threat detection.

• Documentation & stakeholder communication: creating and maintaining technical documentation, runbooks, and architecture overviews in Jira and Confluence, as well as active knowledge transfer between operations, development, security, and compliance stakeholders.

• Led the global HRIS transformation program (16 country units): program setup, PMO, phase planning, status reporting, and steering up to partner/SteerCo level
• Built an HR readiness assessment framework (6 dimensions, weighted scoring) as a decision basis for implementation and AI maturity — mandated by the board as the project outcome
• HR process architecture: analysis of 80+ level-3 processes and 87 ISO process documentations across 13 country clusters; gap analysis and harmonization roadmap
• Designed agentic AI HR processes (hiring, onboarding, probation period management) on SAP S/4HANA Private Cloud and ServiceNow — human-in-the-loop design, process screening for agentic potential, decision paper at partner level
• HRIS market analysis: vendor screening, criteria framework, and evaluation logic for system selection
• HR target operating model: organizational analysis, archetype framework (9 dimensions), governance design for a global HR function
• Self-assessment tools and workshop formats for 16 country HR teams incl. nomination and stakeholder management; SharePoint project hub and communication architecture
• AI-supported consulting delivery: my own Claude-based working model for analysis, document creation, and project management — one consultant delivering program output

• ISO 27001 implementation & audit readiness
• NIS2 & DORA compliance support
• Interim / fractional CISO services
• IT risk & controls (ITGC, SOX, COBIT, BAIT)
• M&A and IT due diligence for startups/ventures
• Business continuity management (BCM, ISO 22301)
• Cybersecurity framework development (NIST, ISO, BSI)
• GRC tool advisory (Archer, ServiceNow)

• Support for the SAP rollout for sales companies in Germany: creation of training materials, key user training, tests, go-live and hypercare phases, and support activities
• Industry: building components
• Software: SAP ERP 6.0

• Promoting and applying agile principles and Scrum frameworks in multiple teams
• Facilitating Scrum events (e.g. Daily Stand-Ups, Sprint Plannings, Reviews, and Retrospectives)
• Supporting teams in removing impediments and blockers
• Implementing metrics (e.g. velocity, burndown charts) to monitor and improve team performance
• Successfully conducting workshops and training on agile methods and best practices
• Technologies: Jira, Confluence, Scrum
• Methods: Scrum framework

• Supported the seamless migration of an existing ServiceNow application to a new environment.
• Created detailed user stories as the basis for acceptance and test execution.
• Ensured that all requirements were met and the functionality of the new application was confirmed through this structured approach.
• Collaborated with stakeholders to ensure smooth project execution and involve all relevant parties in the migration process.

• Further development of the application landscape for planning, forecasting and pricing

• Communication with internal stakeholders to homogenize the application landscape across all entities

• Optimization of vendor management

• API and batch processing

• Creation of operational concepts

• Ensuring compliance with regulations and operational processes

• Participation in solution design as well as implementation and further development of new applications and services

• ServiceNow

• Virtual Machines (Windows / Linux)

• M365 Products

• Azure DevOps

• Web Applications

• The project's goal was to set up a ticketing system (ServiceNow).
• Implementing and carrying out standard PMO and Scrum Master processes such as risk and issue/impediment management
• Coordinating and tracking provided services
• Monitoring project progress and project reporting, as well as maintaining project planning in an agile environment
• Creating JIRA dashboards to track sprints
• Tracking sprints for completion status, highlighting risks and impediments
• Conducting management retros, developing and following up on action points
• Technologies: MS Excel, MS PowerPoint, Microsoft 365, JIRA, Confluence
• Project languages: English, German

• Developing and implementing IT architectures for business-critical applications, BCM/ITSCM, SAP, BTP and S/4HANA, Azure, interfaces and IT infrastructure according to Uniper security guidelines and compliance policies

• IT cloud infrastructure management: Requirements management and SLA definition for critical SAP and non-SAP applications and infrastructures based on the Key Production Environment algorithm; creating a conceptual target architecture; creating agile project plans for migration; risk management and vulnerability analysis; developing training content and e-learnings; establishing and optimizing risk management processes; creating action catalogs, architectures and ITSCM/emergency plans; identifying and managing internal and external partners

• Developing BCM/ITSCM concepts and IT infrastructure architectures for business-critical applications according to Azure Cloud, SAP BTP and Uniper governance frameworks; documenting and implementing ITSCM/emergency plans in line with disaster recovery patterns; creating training materials and coordinating training sessions; testing, simulating and optimizing BCM/ITSCM plans and IT architectures; ongoing training of management and staff on IT architectures, operating models, SAP BTP as well as BCM and emergency plans

• Technical lead of the SAP services team: Managing and coordinating external vendors, service owners and application managers; developing and implementing ITSM processes (incident, problem, change, SLM, IT security, provider management, ITSCM, asset and configuration management); training internal and external service providers and service managers; optimizing IT service contracts and OLAs; updating the service catalog; communicating and escalating issues; defining responsibilities and monitoring SLA criteria; conducting root cause analysis; partly acting as release manager for SAP ERP releases

• Migration: Requirements management, budget and financial planning; risk management; defining and implementing transformation and migration plans; weekly reporting to Uniper vice presidents and senior management; maintaining project plans and backlogs in Jira and Azure DevOps; managing up to 50 internal and external stakeholders; workshops and meetings; quality assurance: defining quality gateways and monitoring

• Test management: Creating and documenting test plans; evaluating test risks; identifying stakeholders for test plans; documenting test scenarios; defining error categories and quality gateways; coordinating and executing tests