
Fieldbus Experts in Germany
matched in minutes from over 15,000 CVs with the power of AIHire experts who connect PLCs, sensors, drives and distributed control systems through PROFIBUS, Modbus, CAN bus and related industrial networks. FRATCH matches you quickly with vetted, available freelancers whose experience fits your automation project.
Meet FRATCH Experts in Germany, who have recently used Fieldbus
Wolfgang D.
Last position:
Agile Coach / technical sparring partner - industrial HW-/SW product development at WAGO
I support the development of an industrial automation and communication product in which hardware, firmware, embedded software, system architecture, and testing work closely together. As a coach and technical sparring partner, I support product and project owners as well as development teams in turning product goals into a clear technical delivery structure.
- Technical Vision & Strategy: translated product goals into prioritized requirements, milestones, decisions, and executable work packages for HW-/SW teams.
- HW-/SW Collaboration: structured the interfaces between hardware, firmware, Embedded Linux/RTOS, fieldbus/connectivity, system test, and product management; made risks and dependencies transparent.
- Coaching & Leadership Sparring: clarified roles, responsibilities, prioritization, and decision paths with technical leads and teams and strengthened cross-disciplinary collaboration.
Methods & environment: Polarion, GitHub, requirements engineering, configuration management, PROFINET, embedded systems, agile delivery, coaching, and facilitation.
Ljubomir O.
Last position:
Senior Software Test Engineer at Keil KTM GmbH
Temporary employment
- System black-box integration tests (BBIT, IVVQ): Execution of regression, release, acceptance, and compliance tests for safety-critical brake control units in the rail industry
- Software test application & integration: Runtime configuration of software components and libraries, validation of interfaces, configuration dependencies, and component interactions
- Test automation (FEAT framework): Co-development and further development of an automated test framework for test execution, reporting, and result analysis
- Functional safety (SiL4, FuSi): Ensuring compliance with safety requirements, traceability and coverage, as well as standards compliance according to EN50126/28/29
- Test automation for communication components: Configuration and validation of fieldbus (CAN) and Ethernet-based TCMS data communication interfaces (TRDP and CIP)
- Requirements analysis & shift-left (PTC Windchill ALM): Analysis of software and system artifacts to identify gaps, ambiguities, and redundancies early in the SDLC
- Test design & test case development: Derivation of test conditions, coverage strategies, and implementation of data-driven test cases (DDT), including reusable test data fixtures
- CI/CD & automation (Python, PowerShell, Jenkins, SVN): Automation of build, test, and HIL deployment processes as well as integration into CI/CD pipelines
- Test data & configuration management (XML): Maintenance and adaptation of XML test vectors and system configurations with automated integration into test environments
- Non-functional testing: Execution of performance and load tests to assess stability and system behavior
- Agile development & defect management (JIRA, Confluence): Participation in Scrum teams, test coordination, review of test artifacts, as well as defect tracking and root-cause analysis
- Error analysis & debugging (CANoe, CANalyzer): Analysis of errors and message flows across multiple system layers (application to bus)
- Model-based analysis (UML, Enterprise Architect): Specification of SUT/SOW and support for systematic test control
- Process & test documentation: Creation of integration and test documentation according to internal quality and certification requirements
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
Thomas L.
Last position:
Consultant for AI-driven process automation at Lumiz
AI-driven automation of purchasing on a printing company's website, including selecting delivery times, order options, ordering, payment, and uploading print data from the Lumiz Cloud.
Jean-Louis T.
Last position:
Area Manager - Aftersales Operations at E80 Group
- Development and quotation of technical solutions
- Design of high-performance solutions
- Management of aftersales operations, teams and budget
- Documentation revision
Roland R.
Last position:
Support in Ongoing Project at Automotive Supplier
- closing the safety case
- creation of meaningful traceability matrices and targeted test expansion
- transferring requirements into other database systems
- structuring the requirements, assessing their completeness, and setting up new test cases based on use-case–based test strategies and the results of internal traceability matrices
- partial automation of tasks within a requirement assessment tool
- tools and languages: MS Teams, reqIF, Enterprise Architect, Codebeamer, proprietary tools for creating and evaluating traceability matrices (approx. 1000 x 1000)
Taner M.
Last position:
Founder at FixHub
- System design for problem solving and task allocation for demand infrastructures using modern enterprise solutions and SDLC principles
- SaaS and PaaS development, problem solving, and cloud computing
- Infrastructure-as-code implementations for development, Q&A, and production environments
- Terraform, AWS, Azure, GCP, MongoDB, OpenStack, Cisco, OpenShift
Ahmet D.
Last position:
Electrical Designer / Hardware Planner EPLAN 2024 at Horiba GmbH
- Planning and development of electrical systems for test benches and alternative drive systems
- Designing a battery test station specifically for electric cars
- Specifying and designing controls, following standards, legal regulations, planning guidelines, and customer specs
- Sizing and selecting electrical components
- Creating electrical schematics and macros and maintaining parts data with EPLAN P8 Version Interface 2024
- Updating and adapting PLC programs
- Preparing SISTEMA calculations
- Supporting assembly and commissioning
- Ordering electrical components in SAP
- Ensuring compliance with common standards and regulations
- Sizing and cost calculation of high-current cables (1200 V/1000 A for AC and DC)
Alexander W.
Last position:
Freelance Head of Development / Strategy Consultant at LabMaker GmbH
- Consulting on a wide range of open science hardware projects in the fields of electronics, mechatronics, and optoelectronics
- Comprehensive system analysis and DFM optimization of a novel open hardware miniaturized two-photon microscope
- Exchange with scientists from renowned academic institutions to align the customer’s work in the best possible way
- Production coordination with local and international partners for PCB assembly, CNC machining, and optics
- Process analysis for product design, production planning/execution, product lifecycle, and product data management
- Coaching employees from all departments on the requirements that complex technical products place on business processes
- Development of a comprehensive PLM & PDM concept tailored to the needs of development and manufacturing
- Initiating intensive and direct cross-departmental exchange to identify improvement potential
- Planning shopfloor layout improvements with the production team and supporting the implementation process
- Quick onboarding of two new English-speaking colleagues in technical product management and development
- Ad-hoc and in-depth training of employees in the use of software tools such as KiCad or Autodesk Inventor
- Consulting on long-term development into a scalable, even stronger partner for the open science hardware community
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
Mario D.
Last position:
Senior Test Engineer at Webasto SE
- Testing control units in the automotive roof systems area (ECU system test)
- Creating and maintaining test specifications for system and integration tests
- Planning and implementing automated tests including documentation of results
- Performing LIN conformance tests and cyber security tests
- Analyzing and evaluating software and hardware issues and coordinating with development teams
- Developing test strategies and test plans to ensure test coverage
Okan A.
Last position:
Team Leader / Project Manager at OEM in the Stuttgart area
- development, setup and deployment of a custom HIL system for aerodynamic components
- adaptation of the system specification and creation of the test specification
- coordination and planning of test cases, as well as specification of component and K-HIL tests at the system level and in integration
- planning, specification and execution of interface tests
- participation in vehicle trials
- led a team of 10 members following classic and agile A-SPICE standards with development according to the V-model
- Tools used: Jira, MS Project, GitTea, Gox, Confluence, KPM, MoveIT, DOORS, PTC Integrity, Intense, JFrog
Dursun B.
Last position:
Project Manager at Tesa
- Manufacturing machines (Tesa)
- Project manager for inventory of controls, documentation
- S5, Step7, TIA V16/17/18/19, WinCC Advanced, WinCC flexible, Office
Hector V.
Last position:
Automation Engineer at Self-employed
- Developed and implemented custom automation solutions
Mathias K.
Last position:
botspot 3D Scan GmbH
- Support/consulting in the development and setup of 3D photo scanner systems
- Tools used: KiCAD, ePlanP8
Discover over 15,000 top freelancers
Statistics of experts using Fieldbus
Aggregated from the professional profiles of matched freelancers.
Experience
25 years

Position duration
2.2 years

Positions per freelancer
13

Top business areas
Product Development, Quality Assurance, Operations

Top industries
Manufacturing, Automotive, Healthcare

Certification focus areas
Product Development, Information Technology, Quality Assurance
Bachelor's degree or higher
83%
Master's degree or higher
50%
Doctorate
17%

Certifications per freelancer
2

Most common languages
German, English, Spanish

Speak two or more languages
100%
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 Germany 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 Germany using Fieldbus
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.
Fieldbus experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Manufacturing (100%)
- Automotive (69%)
- Healthcare (50%)
- Information Technology (44%)
- Energy (38%)
- Aerospace and Defense (25%)
- Government and Administration (25%)
- Utilities (25%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Industrial communication
Fieldbus is a family of industrial communication systems that connects controllers with sensors, actuators, drives and other devices. It replaces extensive point-to-point wiring with structured digital communication across production equipment. Common implementations include PROFIBUS, Modbus, CAN bus, DeviceNet and Foundation Fieldbus, each suited to different automation requirements.
Automation applications
Fieldbus networks run inside manufacturing lines, process plants, packaging systems, machine tools, building automation and energy installations. They carry process data, diagnostics, commands and status information between field devices and control systems. In Germany, specialists commonly support machinery manufacturers, automotive production, logistics facilities and process operations where dependable communication is essential.
- Connect PLCs, remote I/O, sensors, drives and valves
- Commission production lines and distributed control systems
- Diagnose communication faults and unstable device behavior
- Integrate legacy networks with modern industrial Ethernet
Protocols and tooling
Strong Fieldbus specialists understand protocol behavior as well as the physical installation. Their toolkit may include PLC programming environments, device description files, bus monitors, oscilloscopes, termination checks and vendor commissioning software. Depending on the system, they work with PROFIBUS or PROFINET, Modbus RTU or TCP, CANopen, EtherCAT and related gateways.
When companies need help
Freelance expertise is useful when a new machine must communicate with an existing control architecture, or when a plant cannot isolate recurring bus faults. Specialists also support migrations, machine retrofits, acceptance tests, documentation and on-site commissioning. Remote analysis can cover configuration and diagnostics, while wiring, measurement and startup often require presence at the facility.
- Plan a protocol migration or gateway integration
- Validate network topology, addressing and termination
- Resolve intermittent faults, delays or lost telegrams
- Prepare handover documents and maintenance guidance
What quality looks like
A capable professional separates software configuration problems from cabling, grounding, shielding and termination issues. They read device diagnostics, verify signal quality, understand cycle-time demands and test failure behavior instead of relying on assumptions. They also document parameter settings, device versions, addresses and recovery steps so the plant team can maintain the network after delivery.
Collaboration in Germany
Fieldbus work often crosses controls, electrical installation, mechanical equipment and production operations. A specialist should communicate clearly with local teams, equipment suppliers and safety stakeholders, and adapt to German documentation and site procedures where required. Remote collaboration works well for design reviews, PLC changes and log analysis; commissioning and physical troubleshooting may call for on-site work.
Frequently asked questions
Quick answers to the questions that come up most around Fieldbus.
Fieldbus connects field devices such as sensors, actuators, drives, remote I/O and valves with PLCs or control systems. It carries control data, measurements, diagnostics and status information over an industrial network, reducing point-to-point wiring.
Fieldbus is a broad category that includes established systems such as PROFIBUS, Modbus and CAN bus. Industrial Ethernet technologies such as PROFINET and EtherCAT often provide higher bandwidth and integration options, but the right choice depends on existing equipment, timing needs, topology and migration effort.
A strong Fieldbus professional usually understands PLC programming, industrial Ethernet, electrical installation, drive technology and machine commissioning. Experience with diagnostics tools, device description files, gateways and control cabinet documentation is also valuable.
The required depth depends on whether the work covers a simple device integration, a plant-wide migration or fault analysis on a running line. For critical production systems, choose someone who has handled the relevant protocol, PLC environment, hardware family and commissioning conditions rather than relying on generic network knowledge.
Fieldbus design, parameter review, PLC changes and log analysis can often be handled remotely. Physical measurements, cable checks, device replacement and production commissioning usually require access to the site, so a hybrid arrangement is common for projects in Germany.
Ask the professional to explain how they would isolate a fault across configuration, wiring, shielding, termination and device behavior. Good specialists provide clear test steps, use diagnostic evidence, document changes and distinguish a temporary workaround from a reliable root-cause fix.
Fieldbus installations commonly involve PROFIBUS, Modbus RTU, CANopen, DeviceNet and Foundation Fieldbus, while many newer systems use PROFINET or other industrial Ethernet technologies. The installed base, equipment vendors and required control behavior usually determine the protocol mix.
Before working with Fieldbus, clarify the protocol variant, PLC and device vendors, network drawings, available diagnostic access, production constraints and acceptance criteria. Also confirm whether the assignment includes cabinet work, on-site commissioning, documentation or coordination with suppliers in Germany.
The average hourly rate of freelancers in Germany who have used Fieldbus in their recent projects is 90 €, which corresponds to a daily rate of about 724 € based on an 8-hour working day.
Of the freelancers in Germany who have used Fieldbus in their recent projects, 83% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 17% hold a doctorate.
On average, freelancers in Germany who have used Fieldbus in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Germany who have used Fieldbus in their recent projects are German (100%), English (100%), and Spanish (31%).
The most common industries among freelancers in Germany who have used Fieldbus in their recent projects are Manufacturing (100%), Automotive (69%), and Healthcare (50%).
The most common business areas among freelancers in Germany who have used Fieldbus in their recent projects are Product Development (100%), Quality Assurance (81%), and Operations (75%).
Main locations of FRATCH Experts, who have recently used Fieldbus
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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