Fieldbus Experts in Germany
matched in minutes by AIHire experts who design, integrate and troubleshoot industrial communication networks using PROFIBUS, PROFINET, CANopen and Modbus, from PLC commissioning to device diagnostics. FRATCH connects you quickly with precise matches from vetted, available freelancers.
Meet FRATCH Experts in Germany, who have recently used Fieldbus
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, confirmation and conformity tests for safety-critical braking control units in the railway 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 conformity with 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 and 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 adjustment 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): Work 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 levels (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
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.
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
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
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)
Hector V.
Last position:
Automation Engineer at Self-employed
- Development and implementation of customized automation solutions
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
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
Thomas L.
Last position:
Consultant for AI-supported process automation at Lumiz
AI-supported automation of purchases on a printing company website, including the selection of delivery times, order options, ordering, payment and uploading print data from the Lumiz cloud.
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
Mathias K.
Last position:
botspot 3D Scan GmbH
- Support/consulting in the development and setup of 3D photo scanner systems
- Tools used: KiCAD, ePlanP8
Joachim K.
Last position:
Programming and Commissioning of Test and Assembly Machines
- Programming in TIA Portal
- Visualization with WinCC
- F-CPU, Safety Integrated
- Various sensors and camera sensors
- Participated in defining the task and from design onwards
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
14
Top business areas
Product Development, Quality Assurance, Operations
Top industries
Manufacturing, Automotive, Healthcare
Certification focus areas
Information Technology, Product Development, Quality Assurance
Bachelor's degree or higher
82%
Master's degree or higher
45%
Doctorate
18%
Certifications per freelancer
2
Most common languages
German, English, Spanish
Speak two or more languages
100%
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 Germany 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 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 29 Oct 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 (67%)
- Healthcare (53%)
- Information Technology (40%)
- Energy (33%)
- Aerospace and Defense (27%)
- Government and Administration (27%)
- Utilities (27%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Industrial communication
Fieldbus is a family of digital communication systems that connects controllers, sensors, actuators and other devices on an industrial network. It replaces extensive point-to-point wiring with structured data exchange, making automation systems easier to monitor, configure and maintain. Common implementations include PROFIBUS, PROFINET, CANopen, Modbus and EtherCAT.
Automation applications
Fieldbus networks run production lines, process plants, machine tools, packaging equipment, building systems and mobile machinery. They support cyclic control data, diagnostics, parameter changes and status information between programmable logic controllers, drives and field devices. In Germany, specialists often work across manufacturing, logistics, energy and process industries.
Protocol ecosystem
The right implementation depends on the controller, device portfolio, timing requirements and existing plant standards. A capable specialist can work across protocols and connect them with broader automation systems.
- PROFIBUS and PROFINET commissioning
- CANopen and Modbus integration
- EtherCAT network configuration
- PLC, HMI and drive communication
- Gateways between legacy and modern networks
Project support
Companies bring in freelance expertise when a new line must be commissioned, a legacy network needs to be replaced or intermittent communication faults stop production. Professionals can review topology, configure devices, test telegrams, document settings and support on-site acceptance. Remote preparation and diagnostics can often be combined with planned visits to German facilities.
Quality indicators
Strong Fieldbus professionals read wiring plans, device manuals, PLC programs and diagnostic logs with equal confidence. They understand termination, addressing, cycle behaviour, grounding, shielding and fault isolation rather than treating the network as a black box. Clear documentation and safe change management matter as much as a successful first connection.
Choosing expertise
Evaluate specialists against the actual controller and device ecosystem, not only a list of protocol names. Ask for examples of commissioning, migration or fault analysis that resemble the plant environment. Confirm their approach to testing, backup files, network documentation and collaboration with electricians, controls teams and equipment suppliers.
Frequently asked questions
Quick answers to the questions that come up most around Fieldbus.
Fieldbus connects controllers with sensors, actuators, drives and other field devices over an industrial communication network. It carries control data, diagnostics and configuration information, helping automation equipment work as one coordinated system.
Fieldbus protocols are established for dependable device communication and remain common in existing plants. Industrial Ethernet technologies such as PROFINET and EtherCAT can provide higher bandwidth and broader network integration, but the best choice depends on installed equipment, timing needs and migration plans.
A strong Fieldbus specialist may work with PROFIBUS, PROFINET, CANopen, Modbus and EtherCAT. Relevant adjacent skills include PLC programming, HMI configuration, variable-frequency drives, industrial Ethernet, electrical documentation and network diagnostics.
The right Fieldbus experience depends on the task. A device replacement may need focused configuration skills, while a plant migration or recurring communication fault calls for someone who can analyse topology, PLC logic, diagnostics and electrical conditions together.
Fieldbus preparation, configuration reviews, documentation and some diagnostics can often be completed remotely through secure access. Physical wiring checks, commissioning and acceptance testing usually require on-site coordination, especially when production equipment is involved in Germany.
Common Fieldbus faults come from incorrect addressing, termination, shielding, grounding, connector assembly or incompatible device settings. A skilled professional isolates the fault with diagnostics and measurements instead of replacing components without evidence.
Ask a Fieldbus professional to explain how they will document topology, preserve controller backups, test each device and manage changes. Quality work leaves clear settings, fault records and handover material that another specialist can understand.
A Fieldbus assignment in Germany may involve factory acceptance, machine commissioning, retrofit work or support for an operating plant. Professionals should clarify site access, safety procedures, remote access, travel expectations and communication language before the engagement begins.
The average hourly rate of freelancers in Germany who have used Fieldbus in their recent projects is 88 €, which corresponds to a daily rate of about 705 € based on an 8-hour working day.
Of the freelancers in Germany who have used Fieldbus in their recent projects, 82% hold at least a Bachelor's degree, 45% hold at least a Master's degree, and 18% 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 (27%).
The most common industries among freelancers in Germany who have used Fieldbus in their recent projects are Manufacturing (100%), Automotive (67%), and Healthcare (53%).
The most common business areas among freelancers in Germany who have used Fieldbus in their recent projects are Product Development (100%), Quality Assurance (80%), and Operations (73%).
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.
Berlin Hamburg Munich Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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