Ethernet Experts in Düsseldorf
matched in minutes from over 15,000 CVsWork with specialists who design LAN and industrial networking environments, troubleshoot IEEE 802.3 connectivity, and integrate switches, cabling and monitoring into reliable systems. FRATCH matches you quickly and precisely with vetted, available freelancers.
Meet FRATCH Experts in Düsseldorf, 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
Andreas W.
Last position:
Freelancer at Infrafibre Networks GmbH
- Determining the current status (planning status / expansion status) of the so-called interpolygon routes
- Preparing an end-to-end project plan for the individual routes, taking active and passive components and activities into account
- Monitoring and controlling plan implementation
- Optimizing the selected network architecture
- Creating network and splice plans
Maher S.
Last position:
Product Development – Test Management – Rollout at Telefónica Deutschland
Participation in various projects related to the development and introduction of new telecommunications products in the mobile communications and fixed-line sectors, with a focus on 5G, wholesale and IPv6 technologies.
- Planning, coordination and execution of product development projects, particularly in the 5G and fixed-line environments
- Support for the rollout of new offerings, including test management and quality assurance
- Participation in the development of wholesale products and eSIM solutions
- Close coordination with internal departments (technology, marketing, operations) and external partners
- Use of agile tools and methods for project management and collaboration
Tools: JIRA, MS Office, MS Project
Technologies: 5G, 5G Campus Networks, Fixed Network (FixNet), IPv6, eSIM, Wholesale product development
CS-APN 5G NSA – IPv6 / Dual-Stack for B2B Customers
Ensuring the use of CS-APNs in dual-stack mode (IPv4/IPv6) in combination with MPLS VPN and IPSEC VPN.
- Project management including test planning, test coordination and go-live management
- Technical coordination for activating IPv6 functionality for B2B connections
eSIM Manager – Product Development for B2B Customers
Development of a tool for the fast and scalable provision of eSIM profiles for business customers.
- Product design and process definition for activating eSIMs on different device types (smartphones, IoT, laptops)
- Collaboration with partners to integrate the solution into existing infrastructures
eSIM Handling B2B – Blanco eSIM Process Integration
Optimization of the eSIM provisioning process through the introduction of dynamic Blanco eSIM processes.
- Definition of new processes for issuing non-activated eSIMs (Blanco) via the frontend and partner community
- Design of the integration into service and IT systems
All-IP 5G NSA – Mobile Access for B2B Internet/Voice Services
Expansion of the All-IP portfolio with mobile 5G access offering higher bandwidth for business customers. (5G Indoor Coverage).
- Project management including test management and go-live preparation
- Interface coordination for introducing Local-SIM-based solutions
5G PN – Campus Roaming / Private Networks
Development and introduction of 5G Private Network (PN) solutions with a focus on industrial applications (IIoT).
- Design and definition of business use cases
- Development of SIM/eSIM processes for 5GPN, including roaming between private and public networks
IPv6 for B2B – Introduction in Mobile and Fixed-Line Products
Introduction of IPv6 support for All-IP products and M2M services in the B2B environment.
- Product and process development for integrating IPv6 (in accordance with RIPE-554)
- Implementation for large customers such as retail chains with several thousand branches in Germany and abroad
Rachid R.
Last position:
Self-employed at R&A Engineering GmbH
- Development and programming of PLC controls 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)
- Programming of scripts (C# / VB.Net / VBscript / VBA)
- Selection of electrical components and systems
- Commissioning and optimization of simple to complex systems and machines
- Planning and creation of electrical schematics
- Preparation of installation plans
- Preparation of bills of materials and technical calculations
- Feasibility studies
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
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
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
3.8 years (Germany: 3.2 years)
Positions per freelancer
16 (Germany: 17)
Top business areas
Information Technology, Product Development, Project Management
Top industries
Manufacturing, Automotive, Information Technology
Certification focus areas
Information Technology, Operations, Production
Bachelor's degree or higher
60% (Germany: 91%)
Master's degree or higher
20% (Germany: 65%)
Certifications per freelancer
3
Most common languages
German, English, Arabic
Speak two or more languages
88% (Germany: 98%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Düsseldorf are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Average rates of experts in Düsseldorf 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 29 Oct 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 (63%)
- Automotive (50%)
- Information Technology (50%)
- Energy (38%)
- Food and Beverage (38%)
- Government and Administration (38%)
- Telecommunication (38%)
- Chemical (25%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Network foundation
Ethernet is the standard technology for connecting devices across local and industrial networks. It carries data between computers, servers, switches, access points, controllers and other connected equipment through copper, fiber or suitable wireless extensions. Most specialists work with Ethernet through the IEEE 802.3 family of standards and its practical LAN implementations.
Systems and use cases
Ethernet expertise appears wherever dependable device communication matters, from office networks to production environments and data centers.
- Design switched LAN and campus network topologies
- Connect servers, storage, workstations and security systems
- Build industrial networks for machines, sensors and controllers
- Plan fiber and copper links across buildings and facilities
- Segment traffic with VLANs, routing and access controls
Ecosystem and tooling
Strong professionals understand more than cables and ports. They work with managed switches, transceivers, patch panels, Power over Ethernet, VLANs, spanning tree, link aggregation and quality-of-service settings. Diagnostic work can include packet captures, interface counters, cable certification, network maps and monitoring systems.
When specialists help
Companies often bring in freelance Ethernet expertise during office moves, plant expansions, data-center changes, network redesigns and urgent connectivity incidents. A specialist can assess an existing LAN, document unknown dependencies, define a migration path and coordinate testing without disrupting critical services. In Düsseldorf, on-site access may matter for cabling, equipment rooms or industrial facilities, while design and analysis can often happen remotely.
What good work delivers
A capable Ethernet professional turns requirements into a clear network design, an accurate port and cable plan, tested configurations and useful documentation. They distinguish physical faults from switching, addressing or application problems, and they check performance under realistic load. They also account for resilience, growth, security boundaries and operational handover instead of treating connectivity as a collection of isolated links.
Skills to assess
Look for experience with the network scale, physical environment and traffic patterns your project actually involves. Ask how the specialist validates a design, handles broadcast loops, investigates intermittent links and records changes. Adjacent knowledge of IP networking, DHCP, DNS, firewalls, Wi-Fi, industrial protocols, Linux or network automation is valuable when Ethernet forms part of a wider system. Clear communication in German or English can also support collaboration with local teams and suppliers.
Frequently asked questions
Before you brief your next project: the most common questions about Ethernet.
Ethernet connects devices over local and industrial networks so they can exchange data reliably. Companies use it for workstations, servers, storage, voice and video systems, access points, building controls, machines and production equipment.
Ethernet usually provides a more predictable physical connection, with stable latency and less exposure to radio interference. Wi-Fi is easier to deploy for mobile devices, so many workplaces use both rather than treating them as direct replacements.
A strong Ethernet specialist should understand IP addressing, VLANs, routing, DHCP, DNS, firewalls and network monitoring. Depending on the project, useful additions include Wi-Fi, Linux, Power over Ethernet, fiber optics, industrial protocols and network automation.
The right Ethernet experience depends on the environment, risk and scope. A simple office change may need practical switching and cabling knowledge, while a data center or production network calls for design, resilience, fault isolation, documentation and careful migration planning.
Much Ethernet work can be completed remotely, including design reviews, configuration analysis, documentation and troubleshooting with suitable access. On-site collaboration in Düsseldorf is more useful when the task involves cable testing, rack equipment, patching, physical faults or industrial machinery.
Ethernet with Power over Ethernet can carry data and electrical power to devices such as access points, cameras, phones and sensors through compatible cabling. A specialist should check power budgets, cable conditions, device compatibility, resilience and the consequences of a switch failure.
Review whether the Ethernet specialist produces a clear topology, port plan, configuration record and test evidence. Good work explains design decisions, isolates faults methodically, documents assumptions and leaves the operating team able to maintain the network.
IEEE 802.3 is the standards family that defines many forms of wired Ethernet communication. A specialist uses the relevant standard details to make informed choices about speed, media, signaling, compatibility and equipment selection rather than relying only on product labels.
The average hourly rate of freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects is 97 €, which corresponds to a daily rate of about 773 € 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 3.8 years.
The most common languages among freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects are German (100%), English (88%), and Arabic (25%).
The most common industries among freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects are Manufacturing (63%), Automotive (50%), and Information Technology (50%).
The most common business areas among freelancers in Dusseldorf, Germany who have used Ethernet in their recent projects are Information Technology (88%), Product Development (88%), and Project Management (88%).
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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