TCP/IP Experts in Stuttgart
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Meet FRATCH Experts in Stuttgart, who have recently used TCP/IP
Marko Oršolić
Last position:
System Administrator in a 6-person Team at FITS
- System administration of FreeBSD 11, 12 and 13.1 in a secure cloud software solution
- Administration of proxy servers for FITS and its clients, banks and state banks
- Administration of secure internet solutions
- Administration of secure mail solutions and mail gateways
- Administration of Apache 2.4 web servers
- Planning and maintenance of servers and network components in FNT Command
- Incident, change and ticket handling, especially troubleshooting network issues using Splunk and ARS
- Troubleshooting and log file analysis using Splunk Enterprise
- Monitoring with Nagios
- Ordering, provisioning and installation of certificates on Apache web servers, Nginx web servers and load balancers
- Hardware: HP ProLiant DL380 Gen 9 and 10, Cisco Catalyst
- Software: FreeBSD 11, 12 and 13.2, FNT Command, shell scripts, MySQL databases, ServiceNow, ARS, Splunk Enterprise 8.15
Meenakumar Vaikundam
Last position:
Senior Embedded Technical Manager at IIT Madras Pravartak Technologies
- Led 14 member dev team and delivered postgresql database integration and performance optimization
- Delivered 8 K lines of C code with fewer defects (5 medium to low) in 8 months of development
- Integrate open source pgVector for AI application of the database for exact and nearest neighbor search
Christian Bloch
Last position:
Principal Consultant (Self-employed) at BLOCH IT-Consulting
- Consulting services for Enterprise Service Management (Strategic Planning, Requirement Analysis, Tool evaluation process, implementation)
- Project management for ITSM tool implementations (Cloud, On-Premise)
- Optimization and maintenance of Ivanti Service Manager installations (User acceptance, efficiency, workflow configuration, CDMB structure, process automation, non-IT areas, roadmap planning, release upgrades)
- Presales support for Ivanti Service Manager (Product demonstrations, Proof of Concepts/POC, technical concepts)
Alban Tchuinkou
Last position:
C/C++ Developer on AIX Systems for SAP Kernel System Integration at IBM Research and Development
- AIX/Linux system administrator: deployment of LPARs (Logical Partitions) for SAP Kernel Development
- C/C++ SAP kernel development and integration to SAP HANA Database
- C/C++ programming and software integration, support for SAP kernel on AIX system; development and testing on SAP VDI
- Example: development of the ABEC Tool (AIX Build Environment Checker) to create SAP build environments for debugging process and benchmarking
- Benchmarking and test execution of SAP kernels (test from the communication to the SAP HANA Database and to SAP NetWeaver) on AIX
- Automate the SAP kernel build via Jenkins and benchmarking over crontab jobs
- New C/C++ compiler design and testing (based on Clang++ and LLVM)
- Customer ticket handling to resolve SAP kernel bugs and build failures
- SAP kernel development with Rust programming language, migrating some sub-kernel projects from C/C++ to Rust because of Rust's memory safety model, ownership system, and concurrency features
- Refactoring selected components in Rust and integrating them with existing C++ codebase via FFI
Martin Frlička
Last position:
IT Security Consultant at Freelance
Erol Tel
Last position:
Continental AG
- Analyze and fix data flows between PMD and SAP HR/S4 systems using SAP PI/PO and ABAP, especially in the HR area.
- Provide integration services by developing, customizing, and troubleshooting issues in custom interfaces and processes.
- Participate in technical and functional discussions to align the HR system architecture and integration strategies.
- Ensure system stability and data accuracy by proactively identifying and resolving integration issues to contribute to ongoing project success.
- Transfer HR data via OData service to SuccessFactors ABAP-OO report: access LDAP user data alongside SAP user data and update the email address and Windows ID in SAP.
- S/4 HANA, ABAP/4, ABAP-Object, S/4 HR, FI, SoapUI, Postman, REST API, JSON.
Michael Wolf
Last position:
Storage Architect at BSI GmbH
- Processing changes to build new storage in a new data center environment
- Draft design of the storage solution with its backup area
- Discussions on the future storage architecture and cloud backup solution
- Timeline creation for each project with duration and maturity level
- Documenting each project in Confluence
- Updating all storage product items in Certlich
- Updating and fixing errors in Alfabet
- Adding new products and their details in Alfabet for the storage area
Harald Bergmann
Last position:
Software Architect at Amoria Bond
- Developed gateway demonstrator
- Defined system requirements for topology and data concentrator
- Designed zonal controllers for Leoni
Discover over 15,000 top freelancers
Statistics of experts using TCP/IP
Aggregated from the professional profiles of matched freelancers.
Experience
30 years (Germany: 26 years)
Position duration
2.3 years (Germany: 3.3 years)
Positions per freelancer
20 (Germany: 19)
Top business areas
Information Technology, Project Management, Quality Assurance
Top industries
Information Technology, Automotive, Aerospace and Defense
Certification focus areas
Information Technology, Business Intelligence, Project Management
Bachelor's degree or higher
100% (Germany: 87%)
Master's degree or higher
100% (Germany: 53%)
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
100% (Germany: 98%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Stuttgart 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 Stuttgart using TCP/IP
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 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
TCP/IP basics
TCP/IP is the Internet Protocol Suite that moves data between systems on local networks and across the internet. Companies use it to connect servers, clients, devices, and services in a reliable way. Strong specialists know how packets move, where delay appears, and how to keep traffic reachable.
Where it is used
- Client-server applications
- Internal office and plant networks
- VPNs and remote access
- Monitoring, file transfer, and service communication
TCP/IP sits behind most business systems that need stable network communication. In Stuttgart, it matters for industrial environments, connected offices, and teams that need secure access between sites.
Core skills
A strong specialist understands IP addressing, subnetting, routing, DNS, DHCP, and port behavior. They also work with firewalls, packet capture tools, NAT, and basic Linux and Windows networking. Clear documentation and careful troubleshooting matter as much as protocol knowledge.
Common stack
- TCP and UDP behavior
- IPv4 and IPv6
- DNS and DHCP
- Wireshark and command-line diagnostics
- Firewalls, routing, and VPN setup
The best professionals can read logs, trace packet paths, and explain where a connection fails. They know how TCP/IP interacts with apps, cloud services, and network hardware.
When to bring in help
Companies bring in freelance expertise when a service cannot be reached, a network change breaks connectivity, or a rollout needs clean routing and firewall rules. They also need help when moving systems to cloud networks or separating office, plant, and remote access traffic.
What good work looks like
Good TCP/IP work is practical and precise. The specialist isolates the fault, confirms the packet path, and documents the fix in a way the team can maintain. That is especially valuable when local teams in Stuttgart need on-site checks while other stakeholders join remotely.
Frequently asked questions
Curious about TCP/IP? Here are the answers that come up again and again.
TCP/IP is used to move data between systems, services, and devices across local networks and the internet. It appears in business apps, VPN access, monitoring, file transfer, and almost any setup where one system must reliably reach another. In practice, it is the network layer work behind everyday connectivity.
TCP/IP is the common name for the Internet Protocol Suite. People also use TCP/IP stack when they mean the same family of protocols and tools. The term covers the rules that make addressing, routing, and transport work together.
TCP/IP is often used as shorthand for the full suite, which includes both TCP and UDP. TCP adds reliability and ordered delivery, while UDP is lighter and often chosen for live media, DNS, or latency-sensitive traffic. A good specialist knows when each transport fits the system.
A strong TCP/IP specialist should also know subnetting, routing, DNS, DHCP, NAT, and firewall rules. Packet analysis with Wireshark, Linux networking commands, and basic Windows network troubleshooting are also common. In cloud or hybrid work, VPN and virtual network knowledge helps a lot.
A TCP/IP project can be simple or complex, depending on whether the issue is a single host, a subnet, or a multi-site network. Small fixes may need only focused troubleshooting, while network redesigns or migration work need deeper protocol and infrastructure knowledge. The key is proven hands-on problem solving.
TCP/IP work can often start remotely because logs, packet captures, and configuration checks reveal much of the picture. On-site support is better when the problem involves cabling, switches, industrial devices, or local access restrictions. Many Stuttgart teams use a mix of both for faster resolution.
A strong TCP/IP freelancer explains the root cause clearly and does not stop at symptoms. Look for clean diagnostics, sensible changes, and documentation that your team can reuse. Good specialists also test the fix in the same network conditions where the issue appeared.
A TCP/IP specialist is useful when plant networks, office systems, and remote access must work together without interruption. Stuttgart companies often need this kind of help during network changes, VPN rollouts, or service outages that affect multiple teams. Remote collaboration works well, but local access can help when hardware or internal infrastructure must be checked directly.
The average hourly rate of freelancers in Stuttgart, Germany who have used TCP/IP in their recent projects is 91 €, which corresponds to a daily rate of about 731 € based on an 8-hour working day.
Of the freelancers in Stuttgart, Germany who have used TCP/IP in their recent projects, 100% hold at least a Bachelor's degree and 100% hold at least a Master's degree.
On average, freelancers in Stuttgart, Germany who have used TCP/IP in their recent projects have 30 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Stuttgart, Germany who have used TCP/IP in their recent projects are German (100%), English (100%), and French (25%).
The most common industries among freelancers in Stuttgart, Germany who have used TCP/IP in their recent projects are Information Technology (100%), Automotive (75%), and Aerospace and Defense (63%).
The most common business areas among freelancers in Stuttgart, Germany who have used TCP/IP in their recent projects are Information Technology (100%), Project Management (75%), and Quality Assurance (75%).
Main locations of FRATCH Experts, who have recently used TCP/IP
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 
Dusseldorf Request a free demo
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Philipp Thomaschewski
FRATCH CEO
