TCP/IP Experts in Hamburg
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Meet FRATCH Experts in Hamburg, who have recently used TCP/IP
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.
Stephan Merckens
Last position:
Product Owner at Self-employed
- Industry: Health Care/ IT
- Tools: Internet, phone, email, Confluence, Azure DevOps, DISweb, Microsoft Teams, Microsoft Office, FHIR
- requirements engineering for implementing the e-prescription into existing practice management system and a web-based dialysis monitoring
- implementation of the archive and exchange interface of the KBV
- creation and maintenance of user stories and backlog management
- stakeholder management and support of developers in implementing the user stories
- reporting to management and conducting refinements
Valentina Lattut
Last position:
Parental Break & Professional Development at Parental Break & Professional Development
- Embraced full-time caregiving while achieving B2 German fluency
- Advanced cybersecurity skills through hands-on training at Masterschool
- Worked with AI & LLM tools: ChatGPT, Claude, Gemini, prompt engineering basics, LLMs, AI-assisted writing tools
Alexander Bröcker
Last position:
Owner at PEMA-TEC Alexander Bröcker
- Project to develop the complete software for a film roll warehouse at American Packaging Corporation, Story City, Iowa (warehouse vehicles SINATIC S7, warehouse management C#, Microsoft SQL Server, AGV interface C++, ERP system interface REST API)
- Development of a warehouse simulator for real machine processes aimed at optimized storage of film rolls (C#)
- Project to develop the complete software for a printing cylinder warehouse at Huhtamaki, Ronsberg (warehouse vehicles TIA Portal, warehouse management C#, Oracle, ERP system interface DB table)
- Further development of the warehouse simulator for improved programming of the movement planner
- Project to read and analyze QR codes on letters in the letter sorter at XPROMA GmbH, Salzhausen (program as a service for fast reading of QR codes via two Keyence barcode readers in C#, Microsoft SQL Server, TCP/IP; program for monitoring and parameterizing the barcode readers and triggering the data export in C#, Microsoft SQL Server, SFTP transfer)
- Project for the development and programming of a low-cost management system for automated guided vehicles with Egemin Automation Inc. and American Packaging Corporation (C++, C#, Microsoft SQL Server, TCP/IP)
- Project for the test stand development and automation of SYS.5 tests for the climate actuator at ETO GRUPPE TECHNOLOGIES GmbH, Stockach (test stand software LabVIEW, C#; test evaluation DIAdem, C#; databases Microsoft SQL Server)
Dirk Laudan
Last position:
Project management; Coordinator
- Renovation, refurbishment and construction of two houses in Southern Europe.
- Organization and management of the trades, including hands-on tasks.
- Project management, coordination, documentation and execution.
- Preparation and execution of the sale of the land and buildings.
Charles Jakob
Last position:
Network Architect at RedGlobal GmbH
- Configuration of Dell switches, routers, and access points.
- Error analysis and resolution.
- Environment: Extreme, Cisco and Dell switches and routers, Extreme A3 NAC, Extreme CloudIQ.
Silke Wöhning
Last position:
Head of Project Management and Consultancy at Systemtechnik GmbH
- Planning of projects and consulting services: professional, technical and commercial, focusing on transformation for public transport
- Identification and assessment of project risks with development of measures and recommendations for risk minimization and avoidance
- Evaluation of projects and reporting
- Execution of projects and delivery of consulting services on time, with required quality and within budget
- Project, hardware and consulting services forecasting
- Disciplinary and professional staff management
- Team development and coaching
- Resource planning across various locations
- Stakeholder management
- Client management with service and support
- Development of contingency plans
Jens Meßinger
Last position:
Fullstack Developer / Team Lead at Self-employed (Meßinger & Rantzuch GbR)
- Provided fullstack web development as a new development and replacement of existing desktop and web applications for an ERP solutions provider in the education sector
- Analyzed and redesigned development processes and collaboration in distributed teams
- Responsibilities included team leadership, conceptual design, architecture, implementation, DevOps and consulting
- Technologies: C# & .NET (ASP.NET 7), Angular 14, JavaScript/TypeScript, OData/REST, SOAP, Azure DevOps
- Integrated interfaces to educational providers and authorities
Kai Neufeldt
Last position:
Firmware Developer (GPS Receiver) at Collins Aerospace
- Continued updates to NavHub GPS server firmware on ARM system
- Developed embedded C/C++ code using Eclipse, embedded Linux, GCC
- Implemented web UI with JavaScript/jQuery, PHP, CSS, HTML
- Configured HTTPS/PKI setup using OpenSSL and Nginx
Guido Schmetkamp
Last position:
Freelancer at IT Consulting GS
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Statistics of experts using TCP/IP
Aggregated from the professional profiles of matched freelancers.
Experience
23 years (Germany: 26 years)
Position duration
2.4 years (Germany: 3.3 years)
Positions per freelancer
18 (Germany: 19)
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Automotive, Manufacturing
Certification focus areas
Project Management, Information Technology, Business Intelligence
Bachelor's degree or higher
78% (Germany: 87%)
Master's degree or higher
44% (Germany: 53%)
Doctorate
33% (Germany: 10%)
Certifications per freelancer
4 (Germany: 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 Hamburg 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 Hamburg 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 protocol suite behind most networked systems. It defines how data is addressed, routed, segmented and delivered across local networks, data centers and the public internet.
For companies, it matters anywhere services must communicate reliably between servers, clients, cloud workloads and devices. Strong professionals understand IPv4, IPv6, ports, subnets and packet flow, not just the names of the protocols.
Typical work
- Diagnose packet loss, latency and connection resets
- Design IP plans, subnets and routing paths
- Support firewalls, VPNs and load-balanced services
- Validate service reachability across VLANs and WAN links
- Review network behavior during migrations and cutovers
These specialists often work on infrastructure, platform and operations tasks where the network path must be clear and stable. They help teams keep services reachable and predictable under real traffic.
Ecosystem and tools
TCP/IP work usually touches tools such as Wireshark, tcpdump, ping, traceroute, netcat and routing or firewall utilities. In larger environments, it also connects to DNS, DHCP, VPNs, switches, routers and cloud network services.
A good specialist can read packet captures, follow three-way handshakes, trace MTU issues and explain where a connection fails. That mix of practical tooling and protocol knowledge is what makes the difference.
When to bring in help
Companies bring in freelance expertise when network issues are slowing delivery, migrations need careful planning, or multiple teams cannot agree on the root cause. The same applies when you are moving services to the cloud or tightening remote access.
Hamburg teams often need clear communication across infrastructure, security and application groups. A strong specialist can work on site for sensitive changes or remote for analysis, documentation and steady support.
What strong professionals do
Strong TCP/IP professionals do more than read packet traces. They map symptoms to layers, separate application errors from transport problems, and document fixes in a way teams can reuse.
They also understand how TCP/IP interacts with DNS, TLS, NAT, firewalls and load balancers. That wider view helps prevent repeated outages and avoids tuning the wrong layer.
Good project fit
- New network or subnet design
- Unstable service connectivity
- Cloud and hybrid network changes
- VPN, firewall or routing troubleshooting
- Technical handover and documentation
TCP/IP expertise is a strong fit when the problem spans infrastructure and applications. It is also useful when a company needs a calm specialist who can work methodically, explain findings clearly and keep systems connected.
Frequently asked questions
Not sure where to start with TCP/IP? These answers cover the essentials.
TCP/IP is used to move data between systems across local networks, data centers and the internet. Companies rely on it for web services, API traffic, remote access, file transfers and internal system communication. It is the base layer behind most everyday networked applications.
TCP/IP combines the Internet Protocol with the Transmission Control Protocol and related network functions. IP handles addressing and routing, while TCP adds reliable delivery, ordering and retransmission. When people say “IP” alone, they often mean only the addressing part, not the full protocol suite.
A company should bring in TCP/IP expertise when connectivity problems are hard to isolate, migrations need careful planning, or network changes affect many systems. It also helps when internal teams need outside support for packet analysis, routing design or troubleshooting across firewall boundaries. Freelancers are often useful for focused analysis and clean handover work.
A strong TCP/IP specialist usually knows DNS, DHCP, routing, VLANs, VPNs, firewalls and load balancers. Linux networking tools and cloud network services are also common adjacent skills. In practice, the best results come from people who can connect protocol details with the wider infrastructure setup.
Most TCP/IP projects need someone who has handled real network incidents, not just read the protocol model. Simple tasks like subnet planning or trace analysis may be straightforward, but multi-site routing, hybrid cloud paths and intermittent failures need deeper experience. The harder the issue crosses layers, the more valuable broad hands-on work becomes.
Many TCP/IP tasks can be done remotely, especially analysis, documentation and configuration review. On-site work in Hamburg is more useful for sensitive change windows, physical network checks or coordination with local infrastructure teams. The right setup depends on how much access, hardware inspection and live troubleshooting the task needs.
Look for someone who explains packet flow clearly, asks the right questions and separates transport issues from application problems. A good TCP/IP professional can read packet captures, check routing and MTU behavior, and document the root cause in plain language. They should also show practical examples of fixing real connectivity problems, not just describe theory.
Yes. TCP/IP is still the transport foundation underneath cloud services, containers, virtual networks and most security controls. Even modern stacks depend on it for addressing, routing and reliable delivery, so understanding it remains essential when systems scale or cross environments.
The average hourly rate of freelancers in Hamburg, Germany who have used TCP/IP in their recent projects is 94 €, which corresponds to a daily rate of about 752 € based on an 8-hour working day.
Of the freelancers in Hamburg, Germany who have used TCP/IP in their recent projects, 78% hold at least a Bachelor's degree, 44% hold at least a Master's degree, and 33% hold a doctorate.
On average, freelancers in Hamburg, Germany who have used TCP/IP in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 2.4 years.
The most common languages among freelancers in Hamburg, Germany who have used TCP/IP in their recent projects are German (100%), English (100%), and French (30%).
The most common industries among freelancers in Hamburg, Germany who have used TCP/IP in their recent projects are Information Technology (100%), Automotive (70%), and Manufacturing (70%).
The most common business areas among freelancers in Hamburg, Germany who have used TCP/IP in their recent projects are Information Technology (100%), Project Management (80%), and Operations (70%).
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.
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Stuttgart 
Dusseldorf Request a free demo
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Philipp Thomaschewski
FRATCH CEO
