C Experts in Essen

• Operation and further development of the network and security infrastructure.

• Monitoring, analysis and resolution of network and security incidents.

• Cross-department collaboration with other specialist teams for operations, further development and reporting.

• Firewall vulnerability analysis.

• Firewall rule approvals.

• Troubleshooting IP communication issues in the network and firewall infrastructure.

• Security-critical IT infrastructure, processing of personal data, compliance with legal regulations.

• Products: Palo Alto Networks Firewalls, Cisco ACI, Checkpoint Firewalls, F5

• Technologies: SDN, SDWAN, Cisco EPIC, Cisco ACI

• Analysis of the existing water price calculation for formal errors and gaps in the factual arguments with regard to the legal and regulatory framework (including AVBWasserV, KAG RP, statutes, NEV pursuant to BGH) and best practices in the water industry
• Operational assurance of controlling for the water division
• Regulatory optimization of the existing pricing strategy
• Factual assessment of existing legal proceedings in the water sector
• Professional support for all stakeholders in the water division
• Implementation and roll-out of a new water price calculation tool
• Knowledge transfer to the controlling department and professional training of new employees
• Bridging a vacancy by carrying out the water price calculation
• Review of the pricing strategy from a regulatory perspective
• Establishment of a PMO and assumption of PMO tasks
• Professional advice on preparing the annual financial statements
• Professional sparring for the Executive Board, Legal and Finance/Controlling in the water sector
• Optimization, adjustment and redesign of business processes in the Finance/Controlling environment
• Regulatory adjustments to the existing controlling system
• Advising the Executive Board of the holding company and working with subsidiaries
• Support with impairments together with the auditor
• Opportunity and risk analyses for existing legal proceedings and negotiations
• Drafting of price adjustment clauses and participation in arbitration proceedings
• Reorganization of investment structures
• Reporting to the Head of Legal, Head of Corporate Development, as well as CEO and CSO

• Delivered MVP-focused full-stack architecture for a health-sector client: Vite/React frontend, backend services on Google Cloud Run, and Supabase for database plus IAM/authentication.
• Supported product requirements engineering and prioritized cost-aware workload placement, implementing browser-side/edge computation where feasible before moving logic to backend services.

• Title: Enhancing Syntactic Awareness in Transformer Language Models for Hindi Dependency Parsing
• Investigated syntactic knowledge captured by transformer language models (RoBERTa, XLM-RoBERTa) for Hindi dependency parsing, a morphologically rich and low-resource language.
• Developed structure-aware model variants (Struct_Roberta_hi, Struct_XLMR) by integrating a CNN-based parser network between transformer layers, inspired by the StructFormer architecture.
• Conducted extensive error analysis including label-wise, distance-based, direction-based, sentence length-based, and LVC/Non-LVC evaluations.
• Evaluated models on downstream NLP tasks (NER, POS tagging) using the IndicXTREME benchmark.

• 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

• The goal of Afworki GmbH IT-Consulting is to make small and medium-sized companies more competitive by overcoming challenges in digitalization, automation, and data management.

• Tailored technology, strategy, and specialist consulting designed to meet the individual needs of each company.

• Analyzing the company's current situation and developing the best possible solution together with the client.

• Using both agile and classical IT project management methods to deliver projects on time and within budget.

• Focusing on automating and orchestrating all data flows in a data warehouse to create a unified and standardized data foundation.

• Considering the dependencies between IT and business to achieve sustainable positive effects.

• Employing modern strategies and tools specifically tailored to the company's needs.

• Supporting digitalization, the introduction of agile working methods, and the creation of up-to-date reports and analyses.

• Objective: streamlining management and enabling well-founded, data-driven decision-making.

In my role as Managing Director of QFITS GmbH, I support companies throughout the entire project cycle - from requirements gathering and process analysis to the design of suitable system solutions and all the way to implementation and quality assurance. My focus is on the introduction and integration of POS and ERP systems as well as their seamless connection to existing backend systems and interfaces.

Direct food sales (09/2025 – 05/2026) Support of a project from requirements analysis to the introduction and integration of a new POS system for a direct food sales company. A special focus was on archiving POS logs as well as preparing and providing them as transactions for connected surrounding systems. In addition, design and setup of functional tests and performance tests for the existing backend system, which had to be seamlessly integrated with the POS system.

• Architecting and developing SaaS platform for graphical definition and execution of pandas data processing pipelines
• Developed POlyglott, an open-source Python CLI tool for translation workflow management featuring PO file parsing, quality linting with glossary enforcement, and DeepL API integration for machine translation
• Developed web application for material compliance management (EU REACH) using Django and modern web technologies
• Built automated infrastructure platform using Proxmox, Terraform, and Ansible — VM provisioning, configuration management, internal DNS, and fleet-wide security hardening across multiple subnets

• Plan and design complex production systems as part of a team
• Develop and modify electrical circuit diagrams
• Design electrical machine controls and drive technology
• Troubleshoot electronic assemblies
• Develop PLC and visualization software as well as process control software
• Identify and implement optimization measures
• Create operating instructions
• Ensure IT security of all operational technology
• Support building services
• Technologies: Eplan P8, PCS7, ProLeiT, PlantiT, TIA, S7

• Implementation and maintenance of an order management system
• RDBMS Oracle 19c
• Oracle Forms/Reports 12c/14c
• Oracle SQL
• XML processing

• Installing and commissioning electrical equipment and systems
• Maintenance, repair and servicing of electrical devices
• Troubleshooting and resolving faults in electrical systems
• Reading and interpreting circuit diagrams and technical drawings
• Working with measuring and testing equipment according to DIN VDE standards
• Building control cabinets and professional wiring
• Experience with low- and medium-voltage systems
• Adhering to health and safety regulations

• Manage Sprint & Products Backlog
• Participate in Scrum ceremonies
• Define Definition of Ready and Done
• Define & drive Products vision, strategy & roadmap
• Collaborate & coordinate with cross functional teams
• Administration & Configuration of Atlassian Tools (Jira, Confluence, Jira Service Management, Trello, Bitbucket & Atlas)
• Administration of ServiceNow
• Training users with best practices

• Designing schematics, PCB layout, documentation
• Reviewing, debugging and fixing schematics and PCB layout
• Second source part searching and testing

• Quality assurance for 7 apps and websites as well as Galileo
• Designing, planning and executing tests
• Designing the test strategy in an agile team
• Planning, monitoring and coordinating test activities
• Reviewing and matching test cases
• Documenting test results
• Reviewing found defects
• Collaborating with developers
• Conducting regression tests
• Creating test summary reports
• Participating in various meetings with all stakeholders
• Approach, tools & systems: Jira, Android Studio, iOS, Android, Agile-Scrum