TCP/IP Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used TCP/IP
Christian R
Last position:
Project Manager Outlook and Teams Rollout at BWI
- Gathering information
- Creating wave concepts for the rollout
- Coordinating employees
- Monitoring and steering measures
- Project management including analyses & reporting to the board
- Creating instructions and requirement specifications
- Training floorwalkers
- On-site rollout support
- VIP support
- Introducing SharePoint
Karlheinz Götz
Last position:
Consultant / Test Analyst / Supporter at Insurance office, Spaichingen
Project: Process optimization & IT support in an insurance broker office.
Project activities:
- Analysis of processes and definition of requirements
- Consulting for the implementation of a cloud solution (soho)
- Installation and verification of new infrastructure HW
- Cloud installation & configuration
- Definition and creation of use cases
- Performing user acceptance tests (UAT)
- User training / training
- IT support (cloud, PC, server, printer, network)
Label: Insurance, infrastructure, configuration, training, support
Kevin Fischer
Last position:
DevOps and Platform Engineer at DB Systel GmbH
- Error analysis and fixes including performance optimization of the in-house developed platform API
- Change and incident management in day-to-day operations
- Responsible for compliance with security and compliance requirements
- Vendor management for software development and maintenance
- Planning and execution of migration of legacy services to a cloud native platform
Role in the project: project staff, implementation team
Used skills: requirements analysis, IT service and application management, IT operations, error analysis and performance optimization, software maintenance and lifecycle management
Project environment: Cloud Native Platform (Kubernetes, Crossplane, AWS, ArgoCD, Grafana)
Ljubomir Obrenovic
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
Mathias Heldt
Last position:
PMO at Ministry of Infrastructure and Digitalization Saxony-Anhalt
As PMO for the key topics of the IT Planning Council for Saxony-Anhalt, I am responsible for monitoring the four funded projects in Saxony-Anhalt with regard to compliance with the funding guidelines, state budget regulations, project standards, scope, and achievement of goals.
- Central PMO for four digitalization and funding projects within the digital strategy of the state of Saxony-Anhalt
- Overall coordination and steering of the projects in cooperation with the ministry, FITKO, and project leads
- Planning, structuring, and tracking of project milestones, dates, and work packages
- Creation and maintenance of project, status, and final documentation
- Establishment and execution of cross-project reporting to ensure transparency and traceability
- Execution of budget and cost controlling as well as support in the financial steering of the projects
- Setup and ongoing maintenance of cross-project risk management including assessment, action planning, and escalation
- Coordination of change management including assessment, planning, and tracking of change requests
- Monitoring of project progress through target/actual comparisons and derivation of optimization and steering measures
- Coordination and communication with all relevant stakeholders via defined contacts
- Support in complying with funding, procurement, and budget law requirements
- Preparation and moderation of status meetings and management reviews
- Ensuring transparent, on-time, and quality-focused project execution across multiple parallel funding projects.
Udo Neubauer
Last position:
Project Manager / Rollout Coordinator at BWI
Rollout of printers and PCs
- Effective management of external service providers to ensure smooth operations.
- Planning and implementation of a global rollout for 150,000 clients.
- Carrying out a comprehensive risk analysis, including overall risk, site-specific risks, and security risks.
- Successful consolidation of two existing ServiceNow systems to optimize service management.
- Close coordination with program management to achieve the project goals.
Markus Steffen
Last position:
Fullstack-Developer at VRM Digital / RYZE
- Development and maintenance of a news portal CMS with interfaces.
- PHP development with HTML, CSS, SCSS, JavaScript, MySQL, Laravel, documentation of the interfaces and the system.
- Further development of the SSO system based on Laravel with a large API and connections to AWS, SAP, ERPS.
- Reorganisation and development of the news portals on the basis of a publish platform, services and interfaces to Google, Facebook, Twitter, SSO, SAP technical based on NodeJS with TypeScript and AWS.
- Technologies: PHP, Laravel, MySQL, JavaScript, Vue.js, NodeJS, TypeScript, jQuery, CSS, SCSS, SASS, Unix, Jira, Confluence, Git, Apache, Nginx, AWS.
Christian Enderle
Last position:
IT Consulting / IT Rebuild at IT-Neuaufbau (PF)
- Analysis of requirements and the current situation
- Migration of an old domain structure and Tobit to Exchange 2019 with integration to MS365
- Evaluation of implementation paths and planning for securing sensitive data
- Planning regarding BSI basic protection, the German Federal Data Protection Act (BDSG), and GDPR
- IT governance and IT security backtests
- Support with ERP setup and securing mail transfer
- Hyper-V 2016/2022, Microsoft Terminal Services Cluster, Microsoft Exchange 2019
- Office 365, Microsoft 365, Azure AD, Teams, Salesforce
- Cisco, Zyxel, and HP switches, Sophos firewalls/UTMs, SecurePoint
- Microsoft IIS 2022, IPv4/IPv6, Veeam, Wortmann online backup, NextCloud
- Services: DNS, DHCP, TCP/IP, subnetting, firewalling, routing, VoIP, Group Policy (GPO), SIEM, remote work, home office, high availability, failover, VLAN, PRTG
Lino Giefer
Last position:
Senior Data Scientist at VinFast Germany GmbH
- Led strategic software development of fusion algorithms for precise object tracking, trajectory prediction, and environment modeling based on multimodal sensor data (e.g., camera, LiDAR, radar, GNSS, IMU)
- Developed and implemented navigation algorithms for autonomous vehicles, including path planning, obstacle avoidance, and sensor fusion of visual, inertial, and distance-based sensor sources
- Automated extraction and training processes with CI/CD
- Developed and optimized data pipelines and processes in Microsoft Azure using Apache Spark, Databricks, and PySpark
- Developed and optimized embedded software for automotive control units
- Designed latency-critical software for real-time control in robotic systems with RTOS (freeRTOS, SAFERTOS)
- Used the Vector toolchain (CANdela, DaVinci, CANoe) for configuration and diagnostics
- Optimized existing data pipelines and processes (ETL, data warehouse, SQL)
- Developed and trained machine learning models using PyTorch
- Created deep-learning-based object detection and visual SLAM algorithms, trained on combined data from camera, LiDAR, and IMU sensors
- Implemented computer vision algorithms for object detection and classification in robotic systems using OpenCV and YOLO, utilizing synchronized image and depth data
- Implemented behavior-based control systems for autonomous robots using ROS2 Behavior Trees
- Performed testing, release, and integration of sensor fusion algorithms into automotive production programs
- Ensured adherence to proper software development processes and safety standards to guarantee high data quality (MISRA, ISO 26262, ASPICE)
Olfa Azzabi
Last position:
Senior Embedded Software Engineer / Function Developer at Enginius GmbH (FAUN GROUP)
- Developed model-based software for hydrogen tank control units using MATLAB/Simulink, aligned with ISO 26262 functional safety requirements
- Performed system integration and software verification across MIL and HIL environments using dSPACE and Vector tools
- Defined software architecture (SADS) with interface specifications for CAN, analog, and digital communication protocols
- Generated production-ready embedded C code using Simulink Embedded Coder; created and maintained A2L calibration files with CANape
- Designed and executed MIL/HIL test cases ensuring full coverage of functional and safety requirements
- Implemented CODESYS PLC applications on IFM ecomatController; applied CAN and Modbus TCP/IP communication protocols
- Contributed to HMI/UI development using Qt/C++ on Linux (Qt Creator)
- Applied agile Kanban workflow with Git-based version control (Bitbucket)
Tools: MATLAB, Simulink, CANape, CANalyzer, PCAN-View, Embedded Coder, CODESYS, TTC2038/PXROS, Codebeamer, Jira, Git
Uwe Schwarz
Last position:
Technical Program Lead IPv6 Migration at Deutsche Rentenversicherung (RP, BW)
- Technical program ownership for the IPv6 migration at DRV RP and DRV BW, with a focus on migration planning, execution structure, and cross-functional technical coordination.
- Designed and implemented an operational control model with dashboard, action board, KPI portfolio, risk register, and decision index to translate technical topics into structured delivery artifacts.
- Coordinated technical groundwork for architecture and rollout across IPv6 addressing, segmentation, dual-stack target design, test-lab planning, and cross-team dependencies.
- Supported security and compliance-related requirements in the context of BSI, NIS2, and critical infrastructure, translating them into traceable evidence, risks, and management reporting.
- Achievement: Established a reusable intake-to-governance workflow for systematically capturing technical actions, risks, open issues, and evidence requirements.
- Achievement: Created an operational baseline for technical program execution with measurable KPIs, clear ownership, and transparent decision support.
Frank Borgfeld
Last position:
Consulting & Project Management at B-IT - Ihr IT-Kompetenz
- Planning the migration approach from the old to the new ZEWIS system
- Configuring the modules (basic module, project recording, assembly billing, etc.)
- Setting up interfaces and data imports
- Coordinating the rollout and aligning with departments
- Supporting the team during the go-live and troubleshooting
- Quality assurance and preparation for acceptance
- Documenting all steps for smooth operations
André Howe
Last position:
Linux IT Admin at ReiserST
- Development and maintenance of IT architectures with embedded Linux systems.
- Designing, implementing, and optimizing backend applications and script-based solutions.
- Analyzing and resolving issues, including troubleshooting and user support.
- Developing and implementing security concepts for cloud solutions.
- Administering networks (DHCP, DNS, NTP, VPN).
- Technologies: Linux, PowerShell, Bash, Python, Ansible, Kubernetes, GitLab CI.
- Methods: Kanban.
Jens Schneeweiß
Last position:
Network Technology at ISP, Internet Service Provider, BGP Peering
- Optimization of the transmission media of the data links in the Ruhr area
- Configuration/expansion of switches and routers for an autonomous system AS
- Improve the network protocols used Layer 2/3 (OSI model), RSTP, broadcast, etc.
- Laying cables, crimping, antennas, routers, switches
- Maintenance, expansion, selection and prioritization of troubleshooting measures for network monitoring (PRTG, The Dude)
- Organization and new connection of another BGP peering, data center, NGN fiber optic
- VPN IPSec site connections for 6 sites with PFSense, Fritzbox
- Configuration of WLAN devices (Mikrotik, UBNT
Label: TCP/IP, VLAN, BGP, OSPF, MPLS, VPLS, routing protocols, WLAN, EoIP, PPPoE, routing, SNMP, DHCP, DNS, NAT, native IP, VLAN, Ethernet, VoIP., switches and routers from: Nortel, Cisco, MikroTik, UBNT., network management systems: The Dude, PRTG, UISP
Hendrik Wagner
Last position:
Software Test and Maintenance Support at Anton Paar ProveTec GmbH
- Add/create test specifications
- Conduct regression tests
- Conduct release tests
- Analyze Jira tickets
- Identify software defects and fix them with C#
Discover over 15,000 top freelancers
Statistics of experts using TCP/IP
Aggregated from the professional profiles of matched freelancers.
Experience
26 years
Position duration
3.3 years
Positions per freelancer
19
Top business areas
Information Technology, Product Development, Project Management
Top industries
Information Technology, Manufacturing, Telecommunication
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
87%
Master's degree or higher
53%
Doctorate
10%
Certifications per freelancer
3
Most common languages
German, English, French
Speak two or more languages
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 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 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 core communication suite behind most modern networks. It defines how devices address, route, send, and receive data across local networks and the internet. Companies use it to keep services reachable, stable, and secure.
What experts deliver
- Network setup for office, data center, or cloud environments
- Routing, subnetting, and addressing design
- Troubleshooting latency, packet loss, and connectivity faults
- Documentation for network handoffs and operations teams
Where it matters
TCP/IP work shows up in enterprise networks, SaaS back ends, industrial systems, and remote access setups. In Germany, many projects also need clean coordination with internal IT, providers, and security teams. Strong specialists can support both on-site work and remote diagnostics.
Tools and protocols
A good TCP/IP professional knows the protocol layers around IP, TCP, UDP, ICMP, DHCP, DNS, NAT, and common firewall rules. They use packet capture tools, logs, and routing tables to isolate faults. They also understand how TCP/IP behaves across VPNs, Wi-Fi, and segmented networks.
When companies bring help
Companies usually bring in freelance expertise when a network is hard to trace, a rollout needs careful validation, or a service fails only under load. They also need support during migrations, cloud changes, or security reviews. Short-term specialists are useful when the internal team needs deep protocol knowledge without a long handover.
What strong specialists do well
Strong TCP/IP specialists work methodically and communicate clearly. They can explain why a connection fails, which layer is affected, and what to change first. They also write practical documentation so the next team can keep the network healthy.
Frequently asked questions
Not sure where to start with TCP/IP? These answers cover the essentials.
TCP/IP is used to move data between devices, services, and networks. In practice, it supports internal office traffic, internet-facing applications, VPN access, and service-to-service communication. It is the base layer behind most networked systems companies rely on every day.
TCP/IP is the common name people use for the Internet protocol suite. In many conversations, the terms are used almost interchangeably. Searchers may also use the phrase TCP/IP stack when they mean the same family of protocols and layers.
TCP/IP is the practical model used in most real networks, while OSI is mainly a reference model for teaching and troubleshooting. Good specialists use both to describe problems, but they usually configure and diagnose systems with TCP/IP concepts first. If a team speaks in OSI layers, the freelancer should translate that into actions.
A strong TCP/IP specialist usually also understands DNS, DHCP, routing, subnetting, NAT, firewalls, and packet capture tools. For cloud or remote work, VPNs and load balancers matter too. The best experts can connect protocol behavior to the application symptoms a team actually sees.
A simple setup or review may need only focused protocol knowledge, while a messy outage or network redesign needs deeper diagnostic skill. TCP/IP work becomes harder when several networks, vendors, or security layers are involved. Ask for recent examples that match your environment, not just general network knowledge.
Yes, most TCP/IP analysis can be done remotely with packet captures, logs, routing data, and clear access to the affected systems. On-site work helps when a problem involves cabling, switching, Wi-Fi, or hardware in a local office. Many teams in Germany use a mixed setup: remote diagnosis first, on-site only when needed.
A strong TCP/IP freelancer asks for symptoms, scope, and recent changes before proposing fixes. They should explain their reasoning in plain words and show how they would confirm the root cause. Look for clear documentation, structured troubleshooting, and a calm approach to ambiguous network faults.
Companies usually look for TCP/IP help when connections are unstable, services time out, routes break, or devices cannot reach each other. They may also need support after a migration, a firewall change, or a cloud move. If the issue crosses application and network layers, a specialist can save a lot of back-and-forth.
The average hourly rate of freelancers in Germany who have used TCP/IP in their recent projects is 95 €, which corresponds to a daily rate of about 759 € based on an 8-hour working day.
Of the freelancers in Germany who have used TCP/IP in their recent projects, 87% hold at least a Bachelor's degree, 53% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Germany who have used TCP/IP in their recent projects have 26 years of professional experience, with a single engagement typically lasting around 3.3 years.
The most common languages among freelancers in Germany who have used TCP/IP in their recent projects are German (99%), English (97%), and French (25%).
The most common industries among freelancers in Germany who have used TCP/IP in their recent projects are Information Technology (90%), Manufacturing (61%), and Telecommunication (53%).
The most common business areas among freelancers in Germany who have used TCP/IP in their recent projects are Information Technology (98%), Product Development (74%), and Project Management (73%).
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 
Stuttgart 
Dusseldorf Request a free demo
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FRATCH CEO
