Windows Server Experts in Düsseldorf
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Meet FRATCH Experts in Düsseldorf, who have recently used Windows Server
Christian W.
Last position:
Software Engineer, cross-platform Application Manager at International major bank
- Creating interfaces between the legacy platform and the new container solution
- Coordinating required contributions from line units
- Moderating regular status meetings with the software vendor
- Minimally invasive conversion of TWS scheduling from the old to the new platform
- Environment: IBM Mainframe, DB2, CICS, MQ, Red Hat Linux, Oracle, Kubernetes, Kafka, Helm, GitLab, Jenkins
Ralph K.
Last position:
Product Owner / Business Owner at AXIS Management Consulting GmbH
- Full product responsibility from a business perspective: requirement analysis, UX design, product strategy, and go-to-market implemented without an internal dev team using fully AI-supported development (Claude Code / Anthropic)
- Technical differentiation: KRITIS-compliant air-gapped deployment (Windows/NSIS), GDT interface for PVS integration, DATEV-LODAS export for payroll
- Managed pilot operation with initial external client (Dormagen medical practice): structured requirement gathering, test support, error analysis, and release management
- Developed rollout and sales strategy for market entry in the segment of private practices and small medical centers
- Human-in-the-Loop development principle: business decision → AI implementation → manual review → approval → release – each sprint documented in Jira (TIME project), every change traceable via co-authored commits
- Product outcome: Tauri/Rust desktop app with GDT watcher, multi-tier model (Starter/Professional/Enterprise), cloud mirror on Hetzner/Traefik, complete ISMS framework based on ISO 27001 and BSI basic protection as product foundation
- Direct method validation for the test manager role: hands-on experience with quality assurance of AI-generated products from a user perspective, review gate discipline, release approval under GDPR and the EU AI Act
Boban S.
Last position:
Senior Citrix Consultant & Architect, NetScaler Expert at Freelancer
- Design, installation, configuration, administration, optimization, and further development of IT infrastructures in Citrix environments
- Upgrading older Citrix systems to the latest versions
- Installation, configuration, and delivery of applications in Citrix environments
- Support in 2nd- and 3rd-level support
- Performing performance analyses and optimizations in complex Citrix environments
- Analysis and fixing of issues in complex Citrix systems
- Creating, updating, and maintaining technical documentation
- Troubleshooting slow logons in Citrix XenApp / CVAD environments
- Analysis and fixing of printer problems in Citrix environments
- Creating, maintaining, and optimizing Citrix VDI policies
- Citrix Virtual Apps and Desktops (CVAD) 2402 LTSR, Citrix Virtual Desktop Infrastructure (VDI), Citrix Hypervisor / Citrix XenServer, Citrix Director / Citrix StoreFront, Citrix Machine Creation Services (MCS) / Citrix Provisioning Services (PVS), Citrix App Layering, Citrix Workspace Environment Management (WEM), Citrix Profile Management
- NetScaler SDX 14 / NetScaler Gateway 14 / NetScaler Console 14, NetScaler Load Balancing / Global Server Load Balancing (GSLB), NetScaler Applications Analytics (Web Insights, Security Insights, SSL Insights, TCP Insights, Gateway Insights, HDX Insights, ADC Infrastructure Analytics)
- Design, installation, configuration, management, optimization, and further development of IT infrastructures in Microsoft environments
- Upgrading older Microsoft systems to the latest versions
- Installation, configuration, and delivery of applications in Microsoft environments
- Creating, managing, and optimizing Microsoft Group Policy policies
- Design, implementation, and administration of Microsoft Azure environments
- Windows Server 2022 / Windows 11, Windows Group Policy / Active Directory, Remote Desktop Services (RDS), SQL Server 2022 / SCCM Server, RADIUS Server, FSLogix, PowerShell
- Implementation of standard changes according to ITIL guidelines
- VMWare / Splunk
Alois G.
Last position:
Bank DZ Privatbank S.A.
- Various programming tasks as specified
- Work carried out from home office, meetings/tasks via email, phone and Microsoft Teams
- Version control via GIT
- Implementation with RDI, FreeSQL SQL
- Extension of automatic test environment creation as specified - adding automatic transfer of existing iSeries users and preparation as well as anonymization of test data
- Creation of trigger and service programs in SQLRPGLE, FreeRPG, ILE RPG and CLLE
- Development and implementation of the CallKredite project including additional extensions for other departments
- Conversion of RPG to Free-RPG and SQL as well as extension of existing modules as specified
- Migration to a new banking release
- Support for specialist segment / OIV
Jonas S.
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
Benjamin W.
Last position:
SAP Basis at IT Baden-Württemberg (BITBW)
- SAP Basis operations for complex SAP system landscapes (ABAP and Java stacks)
- Administration, monitoring, and optimization of SAP systems with regard to availability, performance, and stability
- Planning and execution of data center moves as well as migrations of SAP systems and databases
- Handling of incidents, changes, and problems according to ITIL processes, including root cause analyses
- Creation of technical concepts, operations documentation, and implementation plans
Technologies: SAP NetWeaver, ITIL processes, technical migrations
Bernhard D.
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
Olga M.
Last position:
External IT Consultant BI and DWH at Telefónica Deutschland
- Implement the BI solution and replace the old BI landscape
- Sub-project lead for Sales Bonus Plan: Extend the existing solution and migrate to Azure
- Sub-project lead for Cognos migration: Expand the existing data warehouse based on MS technologies
- Analyze business requirements and create the technical solution
- Expand the relational DWH database
- Develop the ETL processes (SSIS)
- Develop the multidimensional database (OLAP cubes/SSAS)
- Use of MS SQL Server 2016 (SSMS, SSIS, SSAS, SSRS), MS SQL Server PDW, Oracle, Power BI, Delta Lake, Databricks, Synapse
Heinz-Dieter L.
Last position:
Consultant at CH Crypto Group
- Advice on governance and information security topics: BAIT, MaRisk
- Creating governance documents (policies, guidelines)
- Developing emergency manuals
- Based on BSI IT baseline protection standard 200-4 and ISO2700x
Marco K.
Last position:
Owner at Kuhlma IT Solutions
- Self-employed as owner of Kuhlma IT Solutions since July 2015• Consulting on and executing IT consulting projects in client management and email archiving• Supporting and implementing baramundi Management Suite solutions• Performing system updates, packaging applications, and training staff
Holger G.
Last position:
IT at Holger Grittner Consulting
Discover over 15,000 top freelancers
Statistics of experts using Windows Server
Aggregated from the professional profiles of matched freelancers.
Experience
27 years (Germany: 23 years)
Position duration
2.8 years (Germany: 5.3 years)
Positions per freelancer
16 (Germany: 17)
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Professional Services, Banking and Finance
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
57% (Germany: 69%)
Master's degree or higher
14% (Germany: 38%)
Certifications per freelancer
7 (Germany: 4)
Most common languages
German, English, Spanish
Speak two or more languages
73% (Germany: 97%)
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 Düsseldorf 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.
Discover detailed Windows Server rate benchmarks:
Explore rate insightsAverage rates of experts in Düsseldorf using Windows Server
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.
Windows Server 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%)
- Professional Services (64%)
- Banking and Finance (45%)
- Healthcare (45%)
- Manufacturing (45%)
- Government and Administration (45%)
- Retail (45%)
- Construction (36%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Windows infrastructure
Windows Server is Microsoft’s server operating system for running business applications, identity services, file shares, databases and network workloads. It supports physical, virtual and hybrid environments, with centralized administration through familiar Microsoft tooling. Companies use it as a foundation for dependable internal and customer-facing systems.
Core services
The platform brings together Active Directory Domain Services, DNS, DHCP, Group Policy and certificate services. IIS hosts web applications, while Hyper-V supports virtual machines and Failover Clustering helps maintain service continuity. PowerShell enables repeatable administration, configuration and reporting across large estates.
Typical projects
- Design and migrate Active Directory domains, forests and trust relationships
- Build Hyper-V clusters and virtual machine environments
- Secure IIS hosting for .NET applications and APIs
- Automate provisioning, patching and compliance with PowerShell
- Connect on-premises systems with Azure and other cloud services
When expertise matters
Companies bring in freelance Windows Server specialists during migrations, datacenter changes, security hardening and infrastructure recovery. External expertise is also useful when internal teams need support for complex Group Policy, identity or virtualization work. In Düsseldorf, collaboration may combine remote delivery with on-site access for hardware, network or operational tasks.
Connected ecosystem
Strong professionals understand more than the operating system itself. They work across Microsoft Entra ID, Microsoft 365, Azure Arc, Intune, SQL Server, Exchange and enterprise backup tools where the project requires it. They also connect Windows Server with Linux systems, network appliances, monitoring platforms and security controls.
Quality signals
Look for professionals who can explain design choices, document dependencies and test changes before production rollout. Practical quality shows in controlled migrations, least-privilege access, recoverable backups and clear monitoring. The right specialist communicates risks early, uses infrastructure as code where suitable and leaves the environment easier to operate.
Frequently asked questions
Key details about Windows Server, drawn from the questions we get asked most.
Windows Server runs shared business services such as identity management, file storage, print services, web hosting, application platforms and virtual machines. It is common in organizations that rely on Microsoft technologies and centralized access control.
Windows Server is often preferred when an environment depends on Active Directory, Group Policy, IIS, .NET or Microsoft management tools. Linux can be a strong alternative for many web, container and open-source workloads, so the right choice depends on application compatibility, operating practices and existing skills.
A strong Windows Server specialist may also work with Active Directory, DNS, DHCP, PowerShell, Hyper-V, IIS, Microsoft Entra ID and Azure. Networking, backup, endpoint security and monitoring knowledge are valuable when the professional is responsible for the wider infrastructure.
A Windows Server freelancer should have relevant experience with the project’s scale and risk, such as domain migrations, virtualization, disaster recovery or security remediation. Ask for concrete examples, migration plans, rollback methods and documentation rather than relying only on product certifications.
Windows Server administration is often suitable for remote collaboration through secure access, documented change processes and scheduled maintenance windows. On-site work may still be useful for physical servers, network dependencies or access restrictions, while clear English or German communication can support teams in Düsseldorf.
A capable Windows Server professional applies least privilege, timely patching, secure administrative access, endpoint protection, segmentation and tested backups. They also review Group Policy, audit events, service accounts and recovery procedures instead of treating security as a one-time setup.
A Windows Server migration starts with inventory and dependency mapping, then covers identity, applications, data, network rules and backup requirements. The professional should plan testing, phased cutover and rollback so that business services remain controlled throughout the change.
Review whether Windows Server work is documented, repeatable and measurable through monitoring, backup tests and clear operating procedures. A quality professional explains trade-offs, removes unnecessary privilege, validates recovery and leaves the team able to maintain the environment confidently.
The average hourly rate of freelancers in Dusseldorf, Germany who have used Windows Server in their recent projects is 101 €, which corresponds to a daily rate of about 810 € based on an 8-hour working day.
Of the freelancers in Dusseldorf, Germany who have used Windows Server in their recent projects, 57% hold at least a Bachelor's degree and 14% hold at least a Master's degree.
On average, freelancers in Dusseldorf, Germany who have used Windows Server in their recent projects have 27 years of professional experience, with a single engagement typically lasting around 2.8 years.
The most common languages among freelancers in Dusseldorf, Germany who have used Windows Server in their recent projects are German (100%), English (73%), and Spanish (18%).
The most common industries among freelancers in Dusseldorf, Germany who have used Windows Server in their recent projects are Information Technology (100%), Professional Services (64%), and Banking and Finance (45%).
The most common business areas among freelancers in Dusseldorf, Germany who have used Windows Server in their recent projects are Information Technology (100%), Project Management (82%), and Operations (73%).
Main locations of FRATCH Experts, who have recently used Windows Server
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 
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Frankfurt 
Stuttgart 
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