
TCP/IP Experts in Stuttgart
from over 15,000 CVs, matched in minutes with the power of AIHire experts who design, troubleshoot and secure network communication across IPv4, IPv6, routing, DNS and cloud environments. FRATCH matches you quickly and precisely with vetted, available freelancers who fit your technical requirements.
Meet FRATCH Experts in Stuttgart, who have recently used TCP/IP
Marko O.
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 V.
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 B.
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 T.
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 F.
Last position:
IT Security Consultant at Freelance
Harald B.
Last position:
Software Architect at Amoria Bond
- Developed gateway demonstrator
- Defined system requirements for topology and data concentrator
- Designed zonal controllers for Leoni
Erol T.
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 W.
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
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: 3.2 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: 54%)

Certifications per freelancer
3

Most common languages
German, English, French

Speak two or more languages
100% (Germany: 99%)
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 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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
TCP/IP experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (100%)
- Automotive (75%)
- Aerospace and Defense (63%)
- Manufacturing (63%)
- Banking and Finance (50%)
- Telecommunication (50%)
- Healthcare (25%)
- Insurance (25%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Network foundation
TCP/IP is the core protocol suite behind communication across private networks, data centers, cloud environments and the public internet. It defines how devices address, route, transport and exchange data, from local services to distributed applications. Experts work across protocols such as IP, TCP, UDP, ICMP and ARP.
Systems and uses
Companies rely on TCP/IP for web services, APIs, email, voice and video communication, industrial systems, connected devices and remote access. Strong network design connects application needs with reliable routing, transport behavior and operational controls. In Stuttgart, this expertise can support automotive, manufacturing, logistics and enterprise environments without tying collaboration to a permanent on-site setup.
Protocol ecosystem
The Internet protocol suite connects many tools and platforms rather than operating as a standalone product. Relevant expertise may include:
- IPv4 and IPv6 addressing, subnetting and route planning
- DNS, DHCP, NAT, VPN and firewall configuration
- Ethernet, Wi-Fi, VLANs and software-defined networks
- Linux, Windows Server, cloud networking and container platforms
When specialists help
Companies bring in freelance specialists when a network must be redesigned, migrated, diagnosed or secured without interrupting critical services. They can review topology, trace packet loss, improve routing, prepare IPv6 adoption or document systems for an internal team. Short-term expertise is also useful during data center, cloud and office moves.
Delivery and troubleshooting
A capable professional starts with traffic flows, dependencies and operational constraints rather than changing settings at random. They use packet captures, flow data, logs and controlled tests to isolate faults across hosts, switches, routers, firewalls and applications. Clear diagrams, repeatable configurations and practical runbooks make the result easier to operate.
Choosing strong expertise
Look for professionals who can explain network behavior in plain language and connect protocol details to business impact. Relevant evidence includes careful address planning, resilient routing, secure remote access, monitoring and incident response. For teams in Stuttgart, remote work can suit documentation and analysis, while on-site access may matter for physical infrastructure, industrial networks or equipment changes.
Frequently asked questions
Curious about TCP/IP? Here are the answers that come up again and again.
TCP/IP is the protocol suite that lets devices identify each other, route data and exchange information across networks. It supports websites, APIs, cloud services, email, remote access, industrial communication and many other connected systems.
TCP/IP is the broadly interoperable foundation used across the internet and most enterprise networks. Alternatives or complementary approaches such as specialized industrial protocols, proprietary network stacks and newer overlay technologies may serve narrower needs, but they commonly operate over TCP/IP or connect to it.
A strong TCP/IP specialist often also understands DNS, DHCP, IPv4, IPv6, routing, switching, firewalls, VPNs and network monitoring. Linux or Windows administration, cloud networking, automation and security knowledge can be important depending on the environment.
The right level depends on the scope, risk and existing documentation rather than a fixed tenure threshold. A simple network review may need focused protocol expertise, while a migration, outage investigation or production redesign calls for someone who has handled comparable environments and can plan changes safely.
Much of TCP/IP work can be done remotely through monitoring, configuration access, packet analysis and technical workshops. On-site collaboration in Stuttgart may still be useful for cabling, physical equipment, factory networks or changes that require direct access to infrastructure.
A TCP/IP engagement may deliver a network assessment, address and routing plan, fault diagnosis, migration strategy, secure connectivity design or operational documentation. The specialist should define assumptions, risks, test steps and handover materials before making changes to critical systems.
Ask a TCP/IP professional to explain a relevant incident or design decision, including the evidence used to reach a conclusion. Good answers connect packet behavior with application impact, identify trade-offs and show how changes were tested, monitored and documented.
TCP/IP remains fundamental in cloud, container and microservice environments, even when overlays and managed networking hide much of the underlying configuration. Professionals still need to understand addresses, routes, name resolution, transport behavior, security groups and service connectivity when diagnosing distributed systems.
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.
Countries:
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