Network Infrastructure Experts in Germany

• Building and leading an IT consulting and outsourcing company with a focus on AI, app development, and digital transformation
• Acquiring and supporting B2B customers in Germany, including technical project management with offshore teams in India, Pakistan, and Eastern Europe
• Developing and marketing tailored consulting and training packages in the field of artificial intelligence (including EU AI Act compliance)
• Overall responsibility for business development, strategy, marketing, sales, and partner management
• Running webinars and on-site seminars on AI integration in companies

• Capturing the current processes Incident Management, IT Service Request Management, Problem Management, Change Management, Service Configuration Management (including CMDB)
• Carrying out maturity assessments for these processes based on the ITIL® 4 Maturity Model
• Analyzing the different service value streams based on the ITIL® 4 value stream model
• Agreeing maturity levels for the processes being reviewed
• Developing and approving a roadmap to achieve and measure the respective maturity levels
• Presenting the approach, including milestones, to management for approval
• Managing external service providers in 1st level support

• Building the data center in Oberkochen (defense area)
• Planning the fiber optic ring, simulation of Wi-Fi coverage
• Cable routing plan for WAN and LAN cables for office and production (infrastructure)
• Adaptation of the SAP system (R3) for the Oberkochen site (software)
• IT transformation of the SAP system to SAP HANA
• Planning network infrastructure and server technologies in the SAP environment
• Pré-sales support and setting up change management
• Independent coordination of utilities according to time, budget and quality
• Mapping the project in MS Project and SERVICENow
• Development and design of hardware and software
• Demand management and portfolio management
• Building a risk register and migration plan
• Preparation of payment-supporting documents in coordination with the responsible finance and commercial functions
• Budget: 5 Mio. - 34 FTE

Industry: Publishing, media Project management for the concept of a RAG-based archive access solution: a secure on-prem or hybrid compute architecture for LLM and embedding operations, pipeline for transcription and automatic tagging, semantic search across audio and video archives. Use case evaluation and make-or-buy together with editorial team, archive, and legal department, taking into account copyright, broadcasting law, and the AI Act. Differentiator: practical LLM infrastructure experience from two own productive platforms combined with C-level program management in regulated industries.

• Delivery of various end-customer projects in server and network infrastructure on time, in quality, and within budget.
• Project 1: Firewall renewal, replacement of an ASA firewall with a Fortinet firewall at an automotive supplier.
• Project 2: Migration of file services from dedicated servers at 5 branch locations into a central managed file service, including DHCP, directory, and print services, as well as decommissioning of the old domain controllers.
• Project 3: Renewal of the network infrastructure at the headquarters and branch locations of a logistics company and transition of the LAN, WLAN, and firewall environments into a managed network service.
• Project 4: Network renewal, replacement of the core and access switches at the headquarters of a medical technology company and transition into a managed network service.
• Project 5: Firewall renewal, replacement of an ASA firewall with a Fortinet firewall for a city.
• Environment: ASA and Fortinet firewalls, Cisco network components, ITSM Heat/Ivanti, Confluence.

• Holistic responsibility for modernizing and expanding federal networks and upgrading critical data center and telecom infrastructure in the high-security agency environment of BDBOS
• Planning and management of the expansion of national BOS network infrastructure in the VS-NfD/KRITIS environment with technical decision authority at the architecture and component level (Cisco, Layer 2/3, WAN redundancy)
• Planning, tendering (EVB-IT/UVgO) and oversight of the upgrade of security-critical telecom infrastructure for emergency call 110/112 (ACD)
• Capacity planning, rack integration, structured cabling, power supply, cooling concept (CRAC/In-Row) and DCIM monitoring for data center expansion
• Building the IT department from scratch: structures, governance, processes, team recruiting, vendor selection and long-term IT strategy
• Planning and managing infrastructure and application migrations: migration strategies, batch planning, hypercare stabilization and rollback concepts
• Creating vendor-neutral specifications (telecom systems, signature solutions) according to EVB-IT and UVgO; contract award and vendor management
• Setting up a secure IT environment according to BSI basic protection, ISO 27001 and VS-NfD; developing IT security concepts and CMDB analyses
• Hands-on program leadership: decision papers for management and steering committees, risk management, reporting and change request control

• Processing and coordination of IT tickets (Helix, Omnitracker) incl. VIP support and remote support (Microsoft Teams, RDP, FastViewer)
• Onsite support at the main location as well as support for modern conference and meeting room technology (e.g. MeetingBoard 75 Pro)
• User and rights management in Active Directory (Active Roles), Azure AD, Exchange and MDM
• VDI support and monitoring with Citrix Director and Aruba Networking
• Endpoint management and policy administration via Ivanti
• Deployment, configuration and lifecycle management of clients (Dell notebooks, iPhones, iPads)
• Hardware rollouts for new employees incl. shipping across Germany
• Asset and license management as well as organization of site migrations

• Responsible for the concept, planning, and implementation of the product development of GetMyInvoices 2.0 and the subcomponent InvoiceRails
• Independent work on all aspects of the project, including concept, specification in tickets, and coordination of developers
• Creation, management, and prioritization of tickets to ensure all tasks are completed on time and with high quality
• Carrying out and/or coordinating tests and ensuring the proper implementation of the developed features and functionalities
• Close collaboration with developers to clarify technical requirements and ensure the implementations match the specifications
• Regular reporting on project progress and documentation of key decisions, changes, and risks
• Taking on the subject matter lead for all topics around e-invoicing and Peppol, especially in relation to the InvoiceRails component
• Internal consulting and knowledge sharing on e-invoicing and Peppol for other teams and departments
• Tracking market trends and new developments in e-invoicing and Peppol to continuously adapt the product strategy
• Ensuring the long-term scalability and flexibility of the products for future technical and regulatory changes in the e-invoicing area

• As-is assessment of the current network infrastructure and its documentation, including on-site inspections
• Independent planning of new distribution and main distribution rooms in the individual district offices (components used, rack layout, connectivity), considering the BSI IT-Grundschutz and InfoSic requirements
• Planning of new copper and fiber optic cabling, including patch panels
• Coordination with building services engineering (TGA) to ensure compliance with relevant on-site requirements
• Development of detailed execution plans and high-level concepts for the rollout of the new infrastructure
• Additional support after the components go live (hypercare phase)
• Regular communication with project management and client stakeholders

As part of this project, the existing active network infrastructure was modernized and aligned for the future. The goal was to introduce a high-performance, secure, and scalable network and WLAN infrastructure, including a Network Access Control (NAC) solution to improve network security and central access control.

At the start of the project, a comprehensive requirements analysis was carried out, taking into account the technical, operational, and security-related needs of the clinic sites. Based on this, a technical tender was prepared for new switches, WLAN access points, and the NAC solution.

By successfully delivering the project, a modern, standardized, and secure network infrastructure was established that meets the growing demands for availability, mobility, and IT security in clinical operations.

Tasks:

• Support of the tender process, including technical evaluation of the offers and bidder assessment
• Lead and coordinate the entire project delivery
• Align the project process with internal stakeholders, business units, and the hospital IT team
• Manage external service providers during implementation and installation of the systems
• Monitor implementation, including quality control, project acceptance, and issue management
• Coordinate communication between hospital IT and external service providers during the NAC implementation
• Carry out escalation management for technical and organizational challenges
• Ongoing budget tracking as well as monitoring of project effort and additional costs
• Prepare decision papers on project changes, additional services, and risks for management

• Technical program ownership for the IPv6 migration at DRV RP and DRV BW, with a focus on migration planning, execution structure, and cross-functional technical coordination.
• Designed and implemented an operational control model with dashboard, action board, KPI portfolio, risk register, and decision index to translate technical topics into structured delivery artifacts.
• Coordinated technical groundwork for architecture and rollout across IPv6 addressing, segmentation, dual-stack target design, test-lab planning, and cross-team dependencies.
• Supported security and compliance-related requirements in the context of BSI, NIS2, and critical infrastructure, translating them into traceable evidence, risks, and management reporting.
• Achievement: Established a reusable intake-to-governance workflow for systematically capturing technical actions, risks, open issues, and evidence requirements.
• Achievement: Created an operational baseline for technical program execution with measurable KPIs, clear ownership, and transparent decision support.

• Spearheaded the integration of a custom Transformer-based encoder into the AFFGANwriting pipeline, replacing the legacy VGG19 architecture to capture richer, high-fidelity writer-style representations.
• Boosted user-study pick-rates by 40%, demonstrating a significant leap in the perceptual quality and realism of the generated handwriting compared to the baseline model.
• Enhanced OCR performance by 20% by implementing a teacher-student framework that leveraged a TrOCR benchmark model for auxiliary training alignment

• Development and maintenance of IT architectures with embedded Linux systems.
• Designing, implementing, and optimizing backend applications and script-based solutions.
• Analyzing and resolving issues, including troubleshooting and user support.
• Developing and implementing security concepts for cloud solutions.
• Administering networks (DHCP, DNS, NTP, VPN).
• Technologies: Linux, PowerShell, Bash, Python, Ansible, Kubernetes, GitLab CI.
• Methods: Kanban.

• Codebase Evaluation & Problem Design: Designed and stress-tested complex software engineering problems against large open-source Python codebases (including pandas), requiring deep context acquisition and architectural understanding to produce well-scoped, realistic problem statements aligned to strict correctness guidelines.
• Agent Failure Analysis: Assessed LLM coding agent solutions for correctness and completeness, identifying meaningful failures across edge case handling, dtype behaviour, and multi-column NaN propagation logic; documented findings with precision for downstream evaluation use.
• Programmatic Test Suite Development: Authored comprehensive pytest suites to programmatically verify agent-generated solutions against defined requirements, with deliberate coverage of boundary conditions and failure modes not caught by naive implementations.
• Containerised Environment Engineering: Built and debugged Docker environments for reproducible agent execution, including git-based repository provisioning, dependency pinning with npm ci, and multi-stage Dockerfile authoring across Linux-based containers.