SIMATIC S7 Experts in Germany
, matched in minutes from over 15,000 CVsHire experts who configure PLC programs, integrate TIA Portal and WinCC, and commission production systems across manufacturing environments. FRATCH connects you quickly with vetted, available freelancers whose skills match your technical requirements.
Meet FRATCH Experts in Germany, who have recently used SIMATIC S7
Muhammad Tanveer B.
Last position:
Embedded Systems Consultant / Architect | Integration and Validation Engineer / Manager at Ingenieurbüro Baig
Led the hardware development and validation of a safety-critical 400-V battery management system (BMS) for the TOGG SUV program; performed system architecture reviews, schematic validations, EMC and reliability tests, and root cause analyses in compliance with relevant automotive standards (ECE-R10, CISPR25, ISO-26262). Coordinated cross-country EU engineering teams, customer reviews, and technical documentation to deliver a production-ready, validated system.
Architected and integrated 22 state-of-the-art ADAS validation vehicles for BMW ADCAM and LIDAR programs at Magna Electronics; synchronized up to 26 heterogeneous sensors (LIDAR, RADAR, cameras, GNSS/INS) using PTP-based timing architectures. Defined the system architecture, HW/SW interfaces for hardware-in-the-loop (HIL) rework, sensor integration strategies, and data acquisition frameworks. This enabled scalable vehicle-level validation, improved validation efficiency by 25%, and reduced project costs by €1.45 million.
End-to-end validation and integration of automotive radar platforms for a Daimler project at Continental. Developed automated open-loop hardware-in-the-loop (HIL) environments to accurately test target tracking KPIs, field-of-view limits, and thermal and voltage-related ECU state machines. Skilled use of a highly complex toolchain consisting of CANoe, Lauterbach Trace32, RADAR target simulators, and EMC shielding chambers for RF and system validation. Synchronized global, interdisciplinary teams to speed up troubleshooting and close critical technical gaps.
Reconstructed and validated the product architecture of an electromechanical e-bike by integrating and troubleshooting critical subsystems (BMS, motor control, sensors, HMI, electronic locking systems). Built a comprehensive system-level test bench for functional testing, fault reproduction, and performance analysis; coordinated suppliers and implemented corrective actions to improve reliability and traceability.
Defined the system architecture and validation strategy for a LIDAR platform developed in cooperation with Elmos Semiconductor; evaluated optical measurement concepts, SPAD detector integration, and system requirements, and created technical recommendations for product development and verification.
Developed LabVIEW-based automation and verification software for a high-precision hydraulic and electromechanical test system for FTE Automotive; integrated NI DAQ hardware for high-frequency real-time capture of physical measurements. Developed automated test sequences, programmable endurance tests, troubleshooting routines, data logging, and analysis tools to improve test efficiency and traceability.
Successfully delivered full engineering life cycles for well-known industrial customers (Magna, Continental, Farasis, FTE Automotive, BMW, Daimler, TOGG) – from requirements engineering and proof of concept to system integration and validation, technical documentation, supplier coordination, and user training.
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
Kusay T.
Last position:
Freelance System & Software Architect - DNA-Extraction Robot at QIAGEN GmbH
- System and software architecture for the QIA-symphony Connect DNA-extraction robot in Life Science / IVD automation.
- Designed features and control logic for extraction, pipetting, lysis and eluate modules using C++, PLC/ST (Beckhoff IPC / TwinCAT 3) and model-based concepts.
- Delivered ISO 13485-oriented requirements, architecture, unit/integration/regression tests and DHF/VEP/VER/TCL documentation.
- Used Polarion, Jira, Confluence, Azure and AI-assisted documentation to improve traceability and engineering efficiency.
Thomas S.
Last position:
Automation Technology Lecturer at HWK Munich and Upper Bavaria
- Training professionals in PLC technology, pneumatics, control engineering, and KUKA robots
- Creating scripts for Siemens systems: STEP 5, STEP 7, TIA Portal, WinCC
- Creating scripts for pneumatics, control engineering, and KUKA robot programming
- Serving on the examination committee for quality assurance in vocational training
- Training and certifying over 500 professionals
Bülent Ö.
Last position:
Freelance Overall Project Manager at energyconsult GmbH
- Project planning and lead engineering
- Coordination and negotiations with grid operators, station suppliers, cable and civil engineering companies
- Analysis, description and documentation of engineering and documentation processes
- Calculation of cable cross-sections from wind turbines to the substation
- Engineering and specification of cable types, inquiries and awarding to suppliers
- Specification of cable routes, inquiries and awarding to suppliers
- Specification of cable civil works, inquiries and awarding to suppliers
- Civil engineering design
- Scheduling and monitoring deadlines and dependencies
- Coordination of trades
- Participation in project meetings
- Site inspections as needed
- Regular on-site visits
Matthias S.
Last position:
Manager External Staffing Digital & Operations at EnBW AG
- Training and advising project teams in sales and IT on the compliant use of external staff through service/work contracts
- Preparing service descriptions with consideration of labor and social security law as well as compliance aspects
- Supporting teams in transforming ways of working into new collaboration models
- Supporting tenders as a representative of the specialist departments
- Developing solution strategies for future collaboration with external service providers
- Running and designing workshops, creating training materials
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
Frank D.
Last position:
Project management, development and system integration for retrofit on a Uranus thermionic mass spectrometer at Forschungszentrum Jülich
- Development of a retrofit concept, including qualification measures
- Development, installation and commissioning of the required hardware and software
- Development of a safety concept
- Execution and documentation of in-house verifications / qualification
- Initiation and implementation of measures in case of non-conformities
- Execution of CE conformity assessment procedures and CE marking
Randolf B.
Last position:
S7-TIA Programmer at Entsorgungstechnik Bavaria GmbH
various projects in Europe
- Development of a camera system for quality detection in output current in paper with Python and Sigmatek Lasal and Sigmatek Visu Designer
- Development and commissioning of control technology for plants in the recycling sector with Sigmatek Lasal and Visu Designer and coupling with Profinet or OPCUA to other controls
Basel J.
Last position:
Senior Application Engineer / Product Manager at Altran Magnetics LLC
- Oversee development and optimization of key products, including DP contactors, EMI filters, and circuit breakers.
- Lead certification processes ensuring compliance with UL, TÜV, and VDE standards.
- Act as technical liaison between customers, sales teams, and manufacturing to deliver customized solutions.
Frank B.
Last position:
Subproject Lead Control Technology at Aumann Beelen GmbH
- Concept creation and detailed design for a battery module assembly line
- Commissioning coordination at a large Bavarian automotive manufacturer
Uwe K.
Last position:
Software Architect / Developer at Manufacturer of packaging and filling machines in the pharmaceutical industry
- Migration of an Excel-based parameterization software into a .NET application based on .NET 8 and WPF.
- Use of MS SQL Server as the primary database with generic access to SQLite for portability.
- Reengineering of complex macros and database-like structures in Excel sheets for input dialogs and validations.
- Integration and optimization of the solution to ensure easy-to-use operation.
- System environment: Windows 10 (x64), MS SQL Server, SQLite, Visual Studio Pro. 2022 with .NET 8.0, C# with WPF, VBA scripting with Excel, GIT.
Wolfgang S.
Last position:
Software Developer / Aviation Commissioning Engineer at Vakuum Schmelze Hanau
- Development of automation software and commissioning of a pneumatic press for processing electrical sheet stator cores, including KUKA robot handling, process monitoring, and connected measurement systems for quality inspection and sorting.
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
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
Discover over 15,000 top freelancers
Statistics of experts using SIMATIC S7
Aggregated from the professional profiles of matched freelancers.
Experience
24 years
Position duration
4.6 years
Positions per freelancer
11
Top business areas
Product Development, Operations, Information Technology
Top industries
Manufacturing, Automotive, Information Technology
Certification focus areas
Product Development, Information Technology, Operations
Bachelor's degree or higher
84%
Master's degree or higher
50%
Doctorate
3%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
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 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 SIMATIC S7
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.
SIMATIC S7 experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Manufacturing (96%)
- Automotive (57%)
- Information Technology (39%)
- Energy (37%)
- Education (30%)
- Healthcare (26%)
- Construction (22%)
- Aerospace and Defense (20%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Industrial control
SIMATIC S7 is Siemens’ family of programmable logic controllers used to automate machines, production lines and process systems. It covers compact controllers such as S7-1200 and S7-1500, as well as established S7-300 and S7-400 installations. Companies use it for sequencing, motion-related logic, safety functions and dependable communication between plant components.
Automation software
Professionals work with Siemens engineering tools to create, test and maintain control applications. TIA Portal is central for current S7-1200 and S7-1500 projects, while STEP 7 remains important in many S7-300 and S7-400 environments. Related work can include WinCC visualization, HMI configuration, PLC diagnostics, structured text, ladder logic and function block programming.
Typical applications
SIMATIC S7 expertise appears in discrete manufacturing, packaging, logistics, food production, energy and process operations. Typical deliverables include:
- PLC programs for machines, cells and complete lines
- HMI screens, alarms and operator workflows
- Drive, sensor and actuator integration
- Industrial Ethernet and PROFINET communication
- Documentation, testing and commissioning support
When specialists help
Companies bring in freelance specialists when a plant needs a new control system, an expansion or a safe migration from legacy hardware. They also support commissioning, fault analysis, production interruptions and urgent capacity gaps. In Germany, collaboration may combine remote software work with on-site access to machinery, panels and factory networks.
Adjacent expertise
Strong SIMATIC S7 professionals understand more than PLC logic. Useful related knowledge includes electrical schematics, industrial networking, drive systems, safety technology, robotics and database or MES connections. Experience with Siemens hardware, PROFINET diagnostics, OPC UA, WinCC and version-controlled project files helps connect automation work with the wider production environment.
Choosing quality
Assess specialists by reviewing comparable machines, controllers and commissioning situations rather than relying on a tool name alone. Ask how they structure programs, document changes, test interlocks and handle online diagnostics without disrupting production. Clear handover records, disciplined change control and practical communication with plant teams are strong signs of dependable SIMATIC S7 expertise.
Frequently asked questions
Questions about SIMATIC S7? Start with the answers below.
SIMATIC S7 is used to control machines, production lines and industrial processes. It reads signals from sensors, executes programmed logic and operates outputs such as motors, valves and actuators. Projects may also connect the controller to HMIs, drives, safety systems and factory software.
SIMATIC S7 is often compared with PLC families from Rockwell Automation, Beckhoff and Schneider Electric. The best choice depends on installed hardware, engineering standards, communication requirements, maintenance skills and the surrounding production ecosystem. For an existing Siemens plant, retaining S7 can reduce integration and migration effort.
A strong SIMATIC S7 specialist usually understands TIA Portal or STEP 7, WinCC, PROFINET and industrial diagnostics. Electrical documentation, drive configuration, safety circuits, OPC UA, robotics or MES integration may also be important depending on the project. The right combination should match the machine and its production environment.
The scope of SIMATIC S7 work matters more than a fixed experience threshold. A small program change may need focused expertise, while a new line or legacy migration requires proven skills in architecture, testing, commissioning and production support. Ask for examples involving the same controller family and similar operating conditions.
Some SIMATIC S7 tasks can be completed remotely, including software design, code review, documentation, simulation and selected diagnostics. Commissioning, cabinet checks and machine testing often require on-site access. In Germany, a practical arrangement may combine remote preparation with scheduled visits and clear access procedures.
For SIMATIC S7 work, provide the controller and software versions, existing project files, hardware configuration, network overview and a clear description of the required outcome. Explain production constraints, safety responsibilities, access rules and commissioning windows. This lets the specialist identify risks before changing the control system.
Review how a SIMATIC S7 professional approaches structure, naming, diagnostics, testing and documentation. Good work includes understandable program blocks, controlled changes, tested fault handling and a usable handover. References from comparable machines or plants can confirm whether the specialist works reliably under production pressure.
SIMATIC S7 remains relevant for new and modernized industrial systems, especially where Siemens hardware and TIA Portal are already established. Newer controller families can support current networking, visualization and integration requirements, while many facilities still operate earlier S7 generations. A specialist can assess whether to extend, migrate or replace the existing system.
The average hourly rate of freelancers in Germany who have used SIMATIC S7 in their recent projects is 90 €, which corresponds to a daily rate of about 720 € based on an 8-hour working day.
Of the freelancers in Germany who have used SIMATIC S7 in their recent projects, 84% hold at least a Bachelor's degree, 50% hold at least a Master's degree, and 3% hold a doctorate.
On average, freelancers in Germany who have used SIMATIC S7 in their recent projects have 24 years of professional experience, with a single engagement typically lasting around 4.6 years.
The most common languages among freelancers in Germany who have used SIMATIC S7 in their recent projects are German (100%), English (94%), and French (28%).
The most common industries among freelancers in Germany who have used SIMATIC S7 in their recent projects are Manufacturing (96%), Automotive (57%), and Information Technology (39%).
The most common business areas among freelancers in Germany who have used SIMATIC S7 in their recent projects are Product Development (96%), Operations (81%), and Information Technology (74%).
Main locations of FRATCH Experts, who have recently used SIMATIC S7
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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