Microsoft PowerPoint Expert in Dortmund

• Developed and optimised structured support workflows and evaluation procedures, applying consistent quality standards across high-volume operational tasks.
• Monitored performance metrics to identify systemic issues and drive targeted improvements — a skill directly transferable to LLM performance metric analysis.
• Managed escalations and maintained high accuracy and satisfaction standards in a fully asynchronous, remote-first environment.

• Expansion and support of the product portfolio for video analytics and Computer Vision
• Requirements gathering and requirements engineering
• Consulting, project management, and coordination of pilots and the international rollout
• Tools: IP-based camera and video systems, Citrix Administration, OneNote, Microsoft Teams, Node-Red, Office 365, Age Verification, Qognify Umbrella, Thingsboard, Xovis 3D Sensors, AXIS Cameras, GK POS software, Atlassian JIRA

• Controlling project work: introduction of customer quotation costing and development of a trading/forward costing model for sales
• Development of a manufacturing cost calculator
• Theoretical design and practical implementation: interim Excel version introduced at short notice; migration to INFOR LN and preparation of the requirements specification
• Most of the project management using modern tools (Loop, Jira, Excel, PowerPoint)
• Regular reporting on submitted quotations (db1 and full-cost coverage) and comparison with post-calculation

Development and evolutionary further development of a highly available, cloud-native microservice and integration architecture for dealer and retail processes in the Porsche Car Configurator.

Responsibilities

• Development of Java-/Kotlin-based backend, API, and integration components (Spring Boot)
• Integration of internal and external systems via REST/OpenAPI, GraphQL, Apache Kafka, and AWS SQS (synchronous and asynchronous)
• Implementation of stable, high-performance communication and data flows in a cloud-native platform architecture
• Processing of structured data formats (JSON, Protobuf, GraphQL schemas) based on existing API patterns
• Performance optimization of distributed microservices with reduced response times and higher operational stability
• Technical tests (unit, integration, and API tests) as well as error analysis in production-like environments
• AWS Infrastructure as Code with Terraform and AWS CDK
• CI/CD automation (build, test, and deployment pipelines) with GitHub Actions
• AI-supported feature implementation (GitHub Copilot Agent)

Label: Kotlin, Java 25, Spring Boot 4, Protobuf, TypeScript, AWS, Terraform, CDK, Apache Kafka, AWS SQS, REST/OpenAPI, GraphQL, JSON, PostgreSQL, Docker, GitHub Actions, Maven, Gradle, JUnit, Mockito, Testcontainers

• Optimization of the transmission media of the data links in the Ruhr area
• Configuration/expansion of switches and routers for an autonomous system AS
• Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
• Laying cables, crimping, antennas, routers, switches
• Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
• Organization and new connection of another BGP peering, data center, NGN fiber optic
• VPN IPSec site connections for 6 sites with PFSense, Fritzbox
• Configuration of WLAN devices (Mikrotik, UBNT

Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP

• Plan and design complex production facilities as part of a team
• Prepare and modify electrical circuit diagrams
• Design electrical machine controls and drive technology
• Analyze faults in electronic assemblies
• Create PLC and visualization software as well as process control software
• Identify and implement optimization measures
• Prepare operating instructions
• Ensure IT security for the entire operational technology
• Support building technology
• Technologies: Eplan P8, PCS7, ProLeiT, PlantiT, TIA, S7

• Valuation support; analysis of assets, ownership/intercompany structures, reporting, and asset-transfer issues

• SD-WAN solution by Aruba – Swiss energy company (330 sites): design and implementation of an SD-WAN branch solution with Aruba 9004 gateways, encrypted overlay, policy-based routing, WAN load balancing, and centralized management via Aruba Central.
• LAN/WLAN & security – schools in Germany (9 sites): deployment of Aruba switches & AP-505, FortiGate 80F firewalls; setup of Checkmk monitoring, incident and change management, and secure admin access (BeyondTrust).
• Multi-site security – energy billing company (20 sites): deployment of a complete Fortinet solution (FortiGate HA cluster, FortiSwitch PoE, FortiAP), IPsec remote-access VPN via FortiClient, centralized management via FortiCloud, IntraID authentication, operations and incident management.
• Data center migration – German client: migration of data center switches (Mellanox), firewall cluster, and OfficeConnect switches to a new data center; securing configurations, implementing HA designs, testing, monitoring, and coordinated change and incident processes. Setup of two new 6300 M VSX clustered switches.
• Data center security – university hospital: implementation of a high-availability FortiGate 400F firewall cluster across three data centers; security policy design, operational support, and change/incident management.
• Enterprise campus & network access control – manufacturing company in Germany: introduction of Aruba ClearPass NAC, setup of a VSX-based switching architecture, secure WLAN access with MPSK, and integration into existing networks.
• EU client (Germany & Poland) – Sophos firewalls: operations, incident and change management of Sophos firewalls including IPsec VPN; troubleshooting and ongoing optimization of security configurations.
• Network modernization – pharmacy client in Germany: design and rollout of core and access switching (Mellanox, Aruba Instant On), migration from Sophos to Fortinet firewalls, network segmentation, and security hardening.

• Setting up and consulting a startup for organizational development (AI-supported)
• Vision and mission workshops
• Marketing roadmap and process design
• Development of sales processes (sales funnel, lead generation)
• Brand building and social media omnichannel strategies
• Content generation for audio, video, and posts (AI-supported)
• Agile consulting and SAFe implementation
• Atlassian consulting and setup of Confluence and Jira (workflows, dashboards, reporting)
• Setup of a podcast and video studio including live streaming setup
• Selection and implementation of hardware and software
• Website creation and brand building
• CMS implementation based on Typo3
• Consulting in sales, marketing, and social media
• Supporting companies in the efficient use of AI technologies
• Strategy development and consulting on implementing AI strategies
• Change management and supporting teams in AI adoption, including training
• Technical expertise in machine learning, data processing, and large language models (LLMs) like Llama, Claude, and OpenAI GPT
• Selection, fine-tuning, and integration of LLMs into business processes
• Consulting on ethics and governance for responsible AI use
• Conducting tailored training for executives and teams
• AI analysis of various large language models (Llama, OpenAI, Mistral)
• Creation and training of custom GPTs focused on organizational development (product vision, OKR, agile maturity)
• Development of a chatbot on agile maturity
• Development of an AI-generated survey to assess organizational agility
• Setup of local offline GPTs with a focus on data protection and GDPR compliance
• Conducting AI workshops for SMEs and mid-sized companies

• Responsibility for 35 locations in terms of university administration & service.
• Responsibility for the Net Promoter Score of all On Campus products.
• Increased NPS by a factor of three and improved participation rate by a factor of four in 6 months.
• Leading a team of 24 employees.
• Development of the strategic alignment and harmonisation of operational procedures in the areas of Student Services and Examination Office according to OKR.
• Liaising with the academic sector and other service units within the Group.
• Hiring of team and administration managers in the area of administration at the university.
• Creating a digitalisation roadmap along the student journey with the goals of customer centricity or kill complexity.
• FTE planning with sales area management according to the digitalisation strategy in the university administration.

• Implemented Agile methodologies to drive AI-enabled process optimization
• Integration of AI-driven solutions with SAP S/4 HANA
• Facilitated the adoption of advanced analytics tools to enhance decision-making

• Designing the information security process based on ITIL 4
• Designing the ITIL 4 incident and change management processes
• Creating information security policies for the bank
• Support in the project for internal audit findings
• Advising on the setup of the bank's internal control systems (ICS)
• Advising on setting up ICS processes
• Advising and supporting security architecture and risk analysis of the existing IT landscape, including IT security architecture, data management, data compliance & physical security
• Advising and project leadership for the security concept of the bank's assets
• Advising and support in contracts with external service providers to meet the bank's regulatory (BAIT; MaRisk; DORA; NIS2; GDPR) and information security requirements
• Support in planning and implementing a SOC/SIEM and risk management
• Support for the spam email team in analyzing and handling incidents

• Built up the finance department after company start-up
• Implemented JD Edwards and SAP Concur
• Responsible for accounting and controlling with a team of 12 employees in the Netherlands and Germany
• Prepared annual financial statements including data preparation and coordination with auditors for audits
• Reported to the CFO, CEO and COO
• Networked and improved collaboration with external and internal partners
• Created budgets and forecasts
• Implemented new financial and invoice processing software
• Managed and controlled projects
• Optimized processes