Ethernet Experts in Dusseldorf
matched in minutes by AIHire experts who design, troubleshoot and optimize Ethernet networks across enterprise, industrial and data center environments, with skills spanning switches, VLANs, PoE and fiber. FRATCH connects you with vetted, available freelancers through fast, precise matching.
Meet FRATCH Experts in Dusseldorf, who have recently used Ethernet
Youness R.
Last position:
Communication modernization and recipe management between S7-300, S7-1500 and WinCC V7 at Siemens AG
- Consulting and development of suitable communication concepts between S7-300 and S7-1500, taking the existing PROFIBUS infrastructure into account
- Technical support for connecting the S7-300 controllers to the existing recipe data block of the S7-1500
- Assisting in the development of the communication sequence for recipe access (read, write, acknowledge, status handling)
- Configuration of S7 communication (PUT/GET)
- Creation and adaptation of WinCC V7 scripts (C scripts and VBS scripts) for WinCC-based recipe management
- Development, optimization, and integration of recipe processes into the existing WinCC project structure
- Commissioning of the new communication interfaces and recommissioning of the recipe logic on existing systems
- Creation of technical documents: communication sequences, functional descriptions, commissioning documentation
Daniel P.
Last position:
Freelance specialist in industrial automation technology at dPSolutions
- Self-employed PLC and software specialist focusing on automation and special-purpose machinery
- Programming, modernization, expansion and optimization of production systems, focusing on increased efficiency, data transparency and system integration
- PLC programming and safety with Siemens S7 Classic/TIA Portal, Beckhoff TwinCAT 2/3 and CoDeSys
- Development of high-level language software and database applications (.NET / C#, C++, Visual Basic .NET, Borland/Embarcadero C++)
- Development of custom software solutions for industrial automation, including embedded systems (Raspberry Pi, Arduino, NodeMCU, ESP8266)
- Integration of external systems such as reading devices, printers, scales, scanners and cameras, as well as various bus systems (Ethernet, Profinet, Profibus, EtherCAT, CAN bus, RS232, TCP/IP)
- Creation of visualizations and HMI applications with Siemens WinCC flexible, Beckhoff HMI and .NET frontends
- Planning, development and integration of machine vision solutions (Keyence, Cognex, AVS Alfavision, camera systems) in PLC and PC environments
- Design and implementation of process data collection systems and traceability solutions (100% traceability) based on Microsoft SQL Server (Compact, Express, Server), including stored procedures and direct PLC-SQL communication
- Creation of software and PLC concepts, standard function blocks and project libraries for PLC and high-level language projects
- Planning and programming of conveyor, inspection, assembly, packaging and grinding systems in industries such as automotive, chemical, food, electronics, machinery and systems engineering
- Conducting workshops and training on Siemens TIA Portal, STEP7 Classic, Beckhoff TwinCAT (including TwinSAFE), as well as topics such as architectures, safety, database integration and documentation
- Creation of technical documentation, manuals, training materials and class documentation with Microsoft Office and Doxygen
- Project management tasks from requirements analysis through planning, concept development and supplier coordination to commissioning, production support and customer support
Andreas G.
Last position:
Senior Fullstack .NET (Core) & Angular Developer at IT Service Provider
- Supporting several agile teams in the new product development of an enterprise CRM and ERP application
- Web frontend development with Angular 17–21 (microfrontends, Domain-Driven Design, MDB-Bootstrap)
- Backend development with C# and .NET 7–10, MongoDB, MassTransit, RabbitMQ, Entity Framework Core, ElasticSearch (microservices, DDD)
- Technical feature design for assigned tasks
- Technical architecture design including forward-looking planning of AI-supported extension options
- Proof-of-concept implementation of AI-supported workflows with n8n and a locally hosted LLM (Ollama)
- Coordination with stakeholders and Product Owners, support with sprint planning
Result: Delivery of production-ready microservices and frontend modules in agile sprint cycles.
Environment: .NET 7–10 · Angular 17–21 · C# · TypeScript · OpenAPI · Microfrontends · DDD · Kubernetes · Docker · Helm · MS SQL Server · PostgreSQL · MongoDB · MassTransit · RabbitMQ · EF Core · ElasticSearch · Kibana · Azure DevOps · KeyCloak · n8n · Ollama
Andreas W.
Last position:
Freelancer at Infrafibre Networks GmbH
- Assessing the current status (planning stage / rollout status) of the so-called inter-polygon routes
- Creating an end-to-end project plan for the individual routes, considering active and passive components and tasks
- Monitoring and controlling the implementation of the plan
- Optimizing the chosen network architecture
- Creating network and splice diagrams
Rachid R.
Last position:
Self-employed at R&A Engineering GmbH
- Development and programming of PLC controllers and servo drives, such as TIA Portal, Siemens Step7 Classic, RSlogix/Studio5000, Unity Pro and CODESYS
- Visualization systems WinCC, FactoryTalk VIEW
- Integration of various fieldbuses into automation devices (PROFIBUS, PROFINET, DeviceNet, ControlNet, Ethernet/IP, MODBUS)
- Script programming (C# / VB.Net / VBscript / VBA)
- Selection of electrical components and systems
- Commissioning and optimization of simple to complex plants and machines
- Planning and creation of electrical schematics
- Preparation of installation plans
- Preparation of bills of materials and technical calculations
- Feasibility studies
Heinz-Dieter L.
Last position:
Consultant at CH Crypto Group
- Advice on governance and information security topics: BAIT, MaRisk
- Creating governance documents (policies, guidelines)
- Developing emergency manuals
- Based on BSI IT baseline protection standard 200-4 and ISO2700x
Christian P.
Last position:
Freelance Electrical Engineer at Self-employed
- Software development for microcontrollers and PCs
- Design of architecture and modular structures based on requirements
- Implementation in programming languages (preferably C, C#)
- Documentation in source code (e.g., Doxygen) and additional documents
- Use of version control and backup systems (e.g., SVN, GitLab)
- Developer testing
- Hardware development of microcontroller-based, digital and analog circuits including power electronics
- Circuit concepts (digital and controller circuits, analog, power electronics)
- Calculation of relevant parts
- Compliance with EMC and safety guidelines
- Simulations and component selection
- PCB implementation: layout, manufacturing data, EMC and safety guidelines
- Support of prototype manufacturing and series ramp-up
- Commissioning of prototypes
- Test development: manual and automated tests, test specifications, test stand conception and equipment selection
- Requirements management and maintenance (requirements specification)
- Support of certifications and series introductions
Discover over 15,000 top freelancers
Statistics of experts using Ethernet
Aggregated from the professional profiles of matched freelancers.
Experience
29 years (Germany: 25 years)
Position duration
3.9 years (Germany: 3.2 years)
Positions per freelancer
16 (Germany: 17)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Manufacturing, Automotive, Energy
Certification focus areas
Information Technology, Operations, Production
Bachelor's degree or higher
60% (Germany: 91%)
Master's degree or higher
20% (Germany: 63%)
Certifications per freelancer
4 (Germany: 3)
Most common languages
German, English, Arabic
Speak two or more languages
86% (Germany: 98%)
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Dusseldorf are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Dusseldorf using Ethernet
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Ethernet experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Manufacturing (71%)
- Automotive (43%)
- Energy (43%)
- Food and Beverage (43%)
- Information Technology (43%)
- Chemical (29%)
- Banking and Finance (29%)
- Transportation (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Network foundation
Ethernet is the dominant standard for connecting devices across local and metropolitan networks. It carries data between servers, workstations, access points, cameras, controllers and storage through copper, fiber or specialized industrial media. Its predictable performance and broad hardware support make it central to office, factory, campus and data center infrastructure.
Standards and media
Ethernet spans familiar IEEE 802.3 standards, from twisted-pair connections to high-speed fiber links. Strong specialists understand duplex settings, link negotiation, transceivers, structured cabling and physical-layer limits. They select media and switching options that suit distance, interference, bandwidth, resilience and environmental conditions.
Switching ecosystem
Professionals working with Ethernet often configure managed switches, routing boundaries and network services around the link layer. Their toolkit may include VLANs, trunking, spanning tree, link aggregation, PoE, QoS, SNMP and packet analysis. They also work with vendor operating systems, configuration management, monitoring suites and documentation standards.
Where it runs
- Office and campus networks with segmented user, voice and guest traffic
- Data center fabrics connecting compute, storage and management systems
- Industrial networks linking PLCs, sensors, robots and control equipment
- PoE deployments for cameras, phones, wireless access points and building systems
- High-availability links between sites, racks, production areas and network rooms
Ethernet supports both straightforward access networks and carefully engineered critical environments. The design must account for traffic patterns, failure domains, latency, power delivery and operational access.
When expertise matters
Companies bring in freelance Ethernet specialists during network redesigns, site openings, migrations, outages and capacity upgrades. They can validate cabling, replace aging switches, introduce segmentation, resolve intermittent faults or prepare a clear as-built record. In Dusseldorf, collaboration may involve local visits to offices, logistics facilities or industrial sites alongside remote planning and monitoring.
Signs of quality
- Tests physical links before changing configuration
- Traces faults through cabling, optics, switching and endpoint behavior
- Designs VLANs, redundancy and access policies around business needs
- Documents ports, paths, labels, addressing and recovery procedures
- Explains trade-offs clearly to technical and operational stakeholders
The strongest professionals combine standards knowledge with disciplined troubleshooting. They leave behind a network that is observable, maintainable and ready for controlled change, not merely a temporary fix.
Frequently asked questions
Before you brief your next project: the most common questions about Ethernet.
Ethernet connects devices across local, campus, industrial and data center networks. Companies use it for business applications, voice, video, storage, automation, surveillance and building systems.
Ethernet usually provides a more predictable wired connection, with stable latency and direct physical capacity. Wi-Fi is more flexible for mobile devices, but it depends on radio conditions, coverage planning and shared wireless capacity; many environments use both.
A strong Ethernet specialist should understand IP addressing, routing, DNS, DHCP, firewalls and network monitoring. Familiarity with VLAN design, fiber optics, PoE, packet captures and vendor switch systems is also valuable.
The right level depends on the scope. A small office change may need focused switching and troubleshooting skills, while a data center, industrial rollout or resilient campus design calls for experience with redundancy, migration planning, testing and rollback.
Ethernet design, configuration review, documentation and much troubleshooting can be performed remotely with secure access and reliable site information. Cable tests, hardware replacement and physical commissioning still require someone on location, particularly at industrial or data center sites.
An Ethernet upgrade is often practical when cabling, switching capacity or segmentation is the main constraint. A specialist should first assess traffic, physical media, device compatibility, failure risks and operational requirements before recommending replacement or an alternative connection method.
A capable Ethernet freelancer in Dusseldorf should clarify whether the work needs on-site access, remote collaboration or both. They should communicate clearly with local teams, document changes in a usable format and coordinate visits around production, office or facility operations.
Ask for a clear design, test plan, change record and acceptance criteria. Good Ethernet work includes measured link performance, accurate port and cable documentation, monitoring coverage, failure testing and an explanation of how the network will be maintained.
The average hourly rate of freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects is 95 €, which corresponds to a daily rate of about 760 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects, 60% hold at least a Bachelor's degree and 20% hold at least a Master's degree.
On average, freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects have 29 years of professional experience, with a single engagement typically lasting around 3.9 years.
The most common languages among freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects are German (100%), English (86%), and Arabic (29%).
The most common industries among freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects are Manufacturing (71%), Automotive (43%), and Energy (43%).
The most common business areas among freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects are Information Technology (86%), Product Development (86%), and Project Management (86%).
Main locations of FRATCH Experts, who have recently used Ethernet
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
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