Enterprise Architecture Experts in Hamburg

Strategic technology leadership and architecture consulting.

• Fractional CTO & interim management for startups, scale-ups, and enterprises – technical strategy, team building, architecture oversight, and delivery.
• Architecture consulting on cloud-native, distributed, and event-driven systems: reviews, design partnerships, and ongoing advisory.
• Event-driven architecture training – a hands-on 2-day course for engineering teams
• Conference speaker on distributed systems

• Disciplinary and professional leadership of the IT and service team
• Definition and documentation of the Current Mode of Operation (CMO) in Confluence: application landscape, infrastructure, networks, backup & storage
• Development of the Future Mode of Operation (FMO) including process analysis & stakeholder interviews with all departments using BPMN and flowcharts
• Optimization of license management: reduction of ongoing software costs by approx. 17% p.a.
• Introduction and establishment of Jira as the central tool for project and service management
• Introduction and rollout of the HR software MindKey to digitize HR processes
• Introduction of a VoIP solution with Microsoft Teams incl. PSTN connection to replace classic telephony
• Introduction of the production and planning software OptiControl to digitize operational processes
• Rollout of Intune as a Mobile Device Management solution for Windows, iOS and Android
• Build-up of Power BI dashboards for machine park monitoring and financial reporting
• Planning and execution of the IT consolidation of two locations for 170 users
• Introduction of automated penetration testing with Pentera
• Coaching and mentoring the team in agile methods & project management
• Operational support in day-to-day business: administration, incident & change management
• Management of external service providers and assurance of the quality of outsourced IT services
• Responsibility for the IT budget incl. planning and controlling
• Direct reporting line to management with regular management reports on IT KPIs, budget and project status

I implemented a Zero-Trust architecture for robust, military-grade maritime container mini data centers based on VMware & Tanzu to support containerized GIS workloads for ground forces. The main focus was on securing communications, workload protection, and data access in contested electronic battle environments affected by jamming, interception, signal manipulation, and constantly changing operational conditions. I designed and architected use cases so that every element of workload, identity, and system could continue to operate independently and securely even in degraded or disrupted scenarios. In parallel, I defined the enterprise and solution security architecture with LeanIX, Bizzdesign, and HOPEX as enterprise architecture, repository, and governance platforms to maintain architecture inventory, relationships, traceability, target pictures, and security governance in complex environments. For the architectural designs, I used Sparx Enterprise Architect to describe formal architecture views, interfaces, trust boundaries, and system architecture in both IT and OT environments. IriusRisk was used for threat modeling of the solution to identify architecture-driven risks, derive security requirements, and detect countermeasures and design gaps directly from the solution models. Risk and compliance management was supported with Archer. Architecture decisions, control gaps, and operational risks were translated into controlled governance and auditable compliance measures. For documentation, collaboration, and visual design, I used Confluence to maintain Architecture Decision Records, Security Blueprints, and workflows. I used Lucidchart and draw.io to create design artifacts tailored to stakeholders. I also defined OT security concepts with support from electrical and mechanical engineers in the areas of oil, vehicle onboard systems, rail, power plants, pharma, gas turbines, and nuclear technology. I created the end-to-end OT security strategy, starting with global policy, developed into standards and procedures, and finally aligned with Bell-LaPadula, Purdue Model, SABSA, TOGAF ADM, CENELEC 50701, IEC 62443, and NIST standards. In addition, I worked with engineering team leads to identify critical KBP assets and place them under protective measures that segmented SCADA, PLC, and HMI assets. I drove collaboration between Security, IT, and OT teams to create standardized workflows and use cases for the OT security solution catalog, while integrating Defense-in-Depth and Zero-Trust principles into operational environments. A key part of my work was integrating multidisciplinary engineering, security, and operations stakeholders into a unified security blueprinting strategy and ensuring that architecture, threat modeling, governance, and documentation were technically strong and operationally practical.

• Several projects in a police context
• Model and document police procedures/projects with Archimate (as-is/to-be) in the context of P20 (BKA)
• Create software architectures with microservices
• POC development with Springboot/Docker/Kubernetes
• Project size: 10 people
• Enterprise architecture management with Togaf and Archimate
• Backend software development Springboot
• DevOps with Kubernetes
• Implemented using: Java 17/21, Springboot 3, P20 architecture, Togaf, Archimate

• Development and implementation of custom IT solutions for key customers.
• More than 15 years of experience in IT and project management, disciplinary leadership of up to 80 employees.

• Took over the steering of the SAP S4 transformation program after 15 months of project duration
• Assessed the quality of soft facts, especially the quality of collaboration and communication
• Evaluation, program planning, resource control, and realignment of the timeline
• Introduction of the software delivery model and quality gates
• Initial scope definition in the form of business capabilities
• Introduction of enterprise architecture
• Reporting to the SteerCo for the S4 transformation program / C-level
• Risk management and escalation when project risks were identified
• Coordination of the various projects within the program

• Developing and updating training programs on BP, SD, MM, PP topics according to the needs of the company and its employees.
• Creating and updating training materials such as presentations, manuals, and online resources.
• Identifying the team's training needs (TNA/TBA).
• Independently implementing a new company structure in RE-FX.

• Consulting on SAP authorizations and governance
• Conducting governance consultations, iteration support and project coordination
• Developing solutions for effective control and monitoring of SAP authorizations
• Creating concepts and recommendations
• Drafting detailed concepts to improve the assignment and management of SAP authorizations
• Providing clear recommendations based on established methods and best practices
• Creating/customizing authorizations for MM including MDG/MDM as well as FI, PP including AIRC Services within SAP Finance
• Reviewing existing structures and processes
• Analyzing and evaluating current SAP authorization structures and processes
• Identifying weaknesses and developing optimization strategies
• Conducting trainings and workshops
• Planning and delivering trainings and workshops for awareness
• Sharing knowledge in SAP authorizations, including role assignment, support during iterations and consulting on role development in the pharmaceutical environment.

• More than 18 years of consulting, management, and project experience at the intersection of management, business, and IT.

• As an experienced manager, AI and RPA product developer, and dedicated networker, Felix advises companies and public authorities on strategy and organizational development, implementing innovative automation solutions, supporting organizational change processes, and developing and rolling out goal-oriented management and control systems.

• He is a certified AI Product Manager, RPA Business Analyst, and UIPath Developer.

• He also holds several certificates in people and leadership development.

• Interim Manager.

• Business Analyst.

• Program and project manager.

• Chief Product Owner.

• Leadership Developer, Trainer & Coach.

• Identification, selection and implementation of intelligent automation solutions (RPA & AI).

• Strategy and Management Consulting.

• Change management support.

• Development of (IT) organizations.

• Evaluation, development and implementation of management and control tools.

• BAMF, BBK, BKA, BMVg, BVL, Contentpepper GmbH, CBS International Business School, DVZ M-V GmbH, EDEKA, Innoloft GmbH, ITZBund, Land Berlin, Lemin GmbH, Sächsisches Ministerium des Inneren, Destatis, Universität Freiburg, Unfallversicherung Bund und Bahn.

• AI Product Manager - Nanodegree, Udacity.

• Azure AI, Microsoft.

• RPA Business Analyst and RPA Developer, UIPath.

• Enterprise Architecture Modeling (UML, NAF, TOGAF), SparxSystems.

• Project Management, Siemens.

• Solution-focused interviewing and negotiation skills, BiZBw.

• Mapping OTC processes in an S/4 landscape, go-live in the UK (1 full cycle)
• Mapping product variants with AVC and LO-VC
• Implementation of service processes, effort-based billing
• Role-based selection of suitable FIORI apps for a "FIORI only" approach
• Implementation of rule-based functionalities with BRF+
• Setting up pricing, price maintenance, price migration
• (Adobe) forms, customization
• Connecting third-party systems, defining interfaces and heterogeneous application scenarios