WAN Experts in Dusseldorf
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Meet FRATCH Experts in Dusseldorf, who have recently used WAN
Thomas Weidauer
Last position:
Senior Project Manager at Siemens / Innomotics
- Carve-out of HR, SuccessFactors, PeopleHub, Concur, RLP and interface systems to an external international service provider
Andreas Wißkirchen
Last position:
Freelancer at Infrafibre Networks GmbH
- Assessing the current status (planning stage / rollout status) of the so-called inter-polygon routes
- Creating an end-to-end project plan for the individual routes, considering active and passive components and tasks
- Monitoring and controlling the implementation of the plan
- Optimizing the chosen network architecture
- Creating network and splice diagrams
Abdelhak Mahou
Last position:
Network Architect at Bechtle Managed Services GmbH
- Created as-is network documentation for a Bechtle customer
- Analyzed existing configurations and adjusted them
- Advised on Fortinet and Check Point products
- Troubleshot complex routing, switching and application issues
- Tools: MS Azure, FortiManager, Cisco Nexus & Catalyst, Cisco WLAN Controller, Citrix Netscaler SD-WAN, MS Visio, Checkpoint VSX, Wireshark
Hisham Elsharawy
Last position:
System Engineer Network & Security at Isringhausen GmbH
- Operation, maintenance and administration of the global network & security system landscape
- Troubleshooting and support in 2nd & 3rd levels and provide technical advice to other dept.
- Configuration of complex LAN/WAN/SD-WAN and WLAN network infrastructures (N5K, N9K, ASR 8000, Wireless Controller WLC9800, AP C91xx and VMware Velo Cloud)
- Control of external service providers as part of service and escalation management
- Implementation and monitoring of system updates (software upgrades, minor/major changes)
Jonas Sickel
Last position:
Subproject Manager / Consultant – d.3 DMS Solution Implementation at InterRisk Versicherungs-AG
- Planning the migration of the legacy archive to the new d.velop-documents platform
- Managing external service providers and internal project stakeholders
- Connecting existing systems to d.velop documents
- Project planning, control and reporting
Jochen Rausch
Last position:
Project Manager at nicos AG
Coordination of trades: ordering of WAN lines, hardware procurement, service transition management, service delivery management, service operations
Project 1: Data center transition in three phases:
Phase 1: Takeover of approx. 400 WAN customer lines into a 24/7 managed service, fail-over tests
Phase 2: Setup of a shared infrastructure in the Frankfurt data center with 4x10G WAN connection, optimization of individual line and security solutions
Phase 3: Replacement of over 500 VPN connections into shared infrastructure
Projects 2–4: Updating existing WAN infrastructures for two existing customers and one new customer; commissioning of new WAN lines; partial handover to a new project manager due to delivery delays
Bernhard Döpper
Last position:
Enterprise Architect. And responsible for the cross-functional architecture as well as all domains with a focus on the sales at Süddeutsche Krankenversicherung
Creation of business and technical concepts as well as support for enterprise architecture management as part of the migration to the Adesso standard insurance solutions and the renewal of surrounding systems
Interface definitions
Business analysis and creation of the business concepts for input management and sales
Creation of architecture guidelines and processes
Processing technical and business decisions in the architecture board
Definition of service processes and system management aspects
Creation of the technical target operating model
Creation of an integration architecture for AI/LLMs from the providers Commasoft and Insiders
CommaSoft (Alan) webpages and web services
Insiders for Smartfix based on web services
Creation of a question catalog for a security/regulatory check.
Analysis of threats using threat modeling / STRIDE incl. creation of a set of measures to secure the systems
System environment: Jira, Confluence, Java, Enterprise Architect, VAIT/DORA, KritisV, GDPR, IT ServiceMgmt, Adesso Ecosphere and Insure Health, DoPIX and successor product, SmartFix, SmartFlow, Zabas, Kolumbus, Clarc archive, BiPRO, AI / LLM, MS Azure, AWS, TOM/FMO
Discover over 15,000 top freelancers
Statistics of experts using WAN
Aggregated from the professional profiles of matched freelancers.
Experience
27 years (Germany: 26 years)
Position duration
2.1 years (Germany: 3.1 years)
Positions per freelancer
18 (Germany: 17)
Top business areas
Information Technology, Operations, Project Management
Top industries
Information Technology, Manufacturing, Telecommunication
Certification focus areas
Information Technology, Project Management, Accounting
Bachelor's degree or higher
60% (Germany: 76%)
Master's degree or higher
40% (Germany: 36%)
Certifications per freelancer
6 (Germany: 5)
Most common languages
German, English, Arabic
Speak two or more languages
100% (Germany: 99%)
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 Dusseldorf 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 Dusseldorf using WAN
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
WAN basics
A WAN, or wide area network, connects sites across cities, regions, or countries. It keeps offices, warehouses, plants, and cloud services on the same network when a local LAN is not enough.
Common work includes link design, routing, failover, and secure remote access. Strong WAN specialists think in latency, resilience, and clear traffic paths.
Where it is used
WAN work shows up in:
- Branch-to-headquarters connectivity
- Cloud access for distributed teams
- Private links for critical business traffic
- Inter-site voice, ERP, and file transfer
- Backup paths for business continuity
It is common in logistics, retail, manufacturing, finance, and public sector environments that run many locations and need stable connectivity.
Tools and protocols
WAN specialists work with routing, firewalls, VPNs, MPLS, BGP, OSPF, and often SD-WAN overlays. They also review line quality, bandwidth use, MTU issues, and provider handoffs.
The best professionals can read diagrams, logs, and packet captures, then turn them into clear fixes. They know when the issue sits in the carrier network, the edge device, or the application path.
When to bring in help
Bring in freelance WAN expertise when a rollout is blocked, sites are unstable, or the network needs redesign after growth, mergers, or cloud migration. It also helps when internal teams need a second pair of eyes for a risky change.
In Dusseldorf, this often suits companies with regional offices, warehouses, or production sites that need remote and on-site support without slowing operations.
What strong specialists do
A good WAN specialist does more than keep links up. They document the topology, check routing design, test failover, and make sure security rules match the traffic flow.
They also coordinate with providers and internal teams, then hand over a setup that is easy to support. Clear communication matters as much as technical depth.
Choosing the right expert
Look for hands-on experience with multi-site networks, troubleshooting across carriers, and cloud connectivity. Strong experts can explain trade-offs between MPLS, VPN, and SD-WAN without hiding behind jargon.
- Reviews diagrams and current traffic paths
- Finds bottlenecks and unstable links
- Improves resilience and routing
- Supports migration and handover
- Works well with internal teams and vendors
Frequently asked questions
Quick answers to the questions that come up most around WAN.
A WAN connects separate locations so users, systems, and services can communicate across long distances. Companies use it for branch connectivity, cloud access, secure remote work, and traffic between sites that cannot rely on a single local network. It is the backbone for distributed operations.
A WAN is the broader concept: a network that spans large distances. LAN is local to one site, MPLS is a provider-managed transport option often used inside WAN designs, and SD-WAN is a modern control layer that manages traffic across links. A strong specialist knows when each option fits the business need.
A strong WAN freelancer should know routing, firewalls, VPNs, carrier handoffs, and how to read logs and packet traces. Cloud connectivity, DNS, IP addressing, and change control are also important. In many projects, vendor coordination matters as much as technical setup.
Bring in WAN expertise when sites drop traffic, a migration is risky, or the current design no longer fits growth. It is also useful after mergers, new branch openings, or a shift to cloud-hosted applications. External help can speed up diagnosis and reduce change risk.
Much WAN work can be done remotely because design, monitoring, and troubleshooting often start in the network tools and configuration. On-site support helps when cabling, edge devices, or provider handoffs need physical checks. In Dusseldorf, a mixed setup is common for regional rollouts.
Ask which WAN topologies they have supported, how they handle failover testing, and how they document changes. Also ask about provider escalation, security boundaries, and what they need from your internal team. The best answers are concrete and tied to past network problems, not vague claims.
A good WAN specialist can explain the root cause, the fix, and the trade-offs in plain words. Look for clean diagrams, clear change plans, and evidence that they think about resilience and supportability. If they can work well with carriers and internal teams, that is a strong sign.
Yes, WAN often includes secure remote access, site-to-cloud paths, and inter-cloud links when they are part of the wider network design. Many projects now mix traditional circuits with VPNs or SD-WAN to reach cloud services reliably. The exact scope depends on how the company moves traffic between users, sites, and applications.
The average hourly rate of freelancers in Dusseldorf, Germany who have used WAN in their recent projects is 102 €, which corresponds to a daily rate of about 815 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used WAN in their recent projects, 60% hold at least a Bachelor's degree and 40% hold at least a Master's degree.
On average, freelancers in Dusseldorf, Germany who have used WAN in their recent projects have 27 years of professional experience, with a single engagement typically lasting around 2.1 years.
The most common languages among freelancers in Dusseldorf, Germany who have used WAN in their recent projects are German (100%), English (100%), and Arabic (29%).
The most common industries among freelancers in Dusseldorf, Germany who have used WAN in their recent projects are Information Technology (71%), Manufacturing (71%), and Telecommunication (71%).
The most common business areas among freelancers in Dusseldorf, Germany who have used WAN in their recent projects are Information Technology (100%), Operations (100%), and Project Management (86%).
Main locations of FRATCH Experts, who have recently used WAN
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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Philipp Thomaschewski
FRATCH CEO
