
Microsoft Windows Expert in Cologne
from over 15,000 CVs with precise AI matchingHire experts who manage Windows endpoints, Active Directory environments and Microsoft 365 integrations, while supporting secure workplace rollouts and hybrid infrastructures. FRATCH connects you with vetted, available freelancers through fast, precise AI matching.
Meet FRATCH Experts in Cologne, who have recently used Microsoft Windows
Matthias S.
Last position:
Overall Project Coordinator at Bundeswehr Informatik (BWI GmbH)
- PMO Lead Security Clearance 2 (SÜ2) verified
- Reporting to the GMN sub-program management
- System maintenance 25+
- Functional management and coordination of the Jira setup
- Preparation of decision papers (e.g. project planning, governance model, communication plans, controlling models, roles and responsibilities matrices)
- Development of program-wide knowledge management using Confluence, creation of Jira concept
- Development of an access concept for all project tools
- Analysis of existing processes, identification of improvement potential, and design of solutions to increase efficiency and effectiveness
- Development of a concept for introducing automation approaches into existing tools
- Creation of intranet articles for project marketing
- Responsible for project governance through reporting and resource planning in the sub-program
- Agile development of the project methodology
- Gathering customer requirements (Requirements Engineering)
- Preparation and support of contract negotiations (7-year term, 500+ million budget)
Markus B.
Last position:
Consultant, Technical Project Manager at Lanxess
- Project: ESU Windows and SQL Server Consolidation / Configuration Management in ServiceNow
- Prepared an as-is analysis of all servers worldwide
- Prepared an as-is analysis of all SQL servers worldwide
- Conducted requirements analyses for SQL and server migrations
- Coordinated requirements with partners for migrations to Hyper-V (on-premises) or Azure Cloud
- Facilitated regular status meetings (Jour Fixe)
- Developed roadmaps and solution models for server migrations
- Set up test scenarios
- Facilitated workshops for the rollout of a global admin team
- Designed data models (CMDB) in ServiceNow
- Led workshops for the CMDB data model
- Developed solution models for the CMDB
- Created end-to-end configuration documentation and work instructions for the CMDB
- Prepared reports for license management
- Defined KPIs for data quality in ServiceNow
- Created a service catalog
- Facilitated workshops to define service requests
- Acted as interface between requirements analysis and the ServiceNow development team
- Systems used: Windows 7, Windows 10, Microsoft Office 365/2010, Windows Server 20xx, SQL Server 20xx, SharePoint, Azure Cloud, Hyper-V, ServiceNow, various tools
Rafael D.
Last position:
Project Lead Automation at Textile Industry
Analysis and optimization of end-to-end processes in various business areas such as sales, procurement, order processing, and logistics. Redesign of the ERP system. Identification of optimization potential, especially in areas with media discontinuities and manual activities, as well as creation of a prioritized transformation roadmap with clear business cases and implementation recommendations. Management of automation initiatives. RPA at the production site in China. Evaluation and introduction of relevant AI use cases, as well as building basic AI capabilities within the organization. Training internal project team members and supporting them throughout the transformation process to develop a culture of continuous improvement. Close collaboration with IT and external implementation partners, with reporting to senior management.
Main responsibilities and achievements:
- Analysis of business processes and design of automated processes
- Training and support for employees in China and Germany
- 20% cost savings in logistics
- Regular status reports to senior management
Burhan D.
Last position:
Enterprise Architect & Solution Architect at DB Netz AG
With project PRIZMA, DB will modernize its infrastructure on the one hand, and develop a fail-safe IT landscape on the other hand, which can be restored quickly and securely in case of a disaster.
- Capture current architectures of existing systems as well as methodical consulting and development of target architectures
- Deepen and maintain the building plan / target IT landscape
- Implement technical architecture concepts & architecture descriptions
- Implement migration concepts for updating and further developing the platform and information systems
- Assess submitted improvement suggestions as part of the project
- Capability management: identify capability gaps, develop target visions, and support transformation planning within the enterprise architecture.
- Create a compatibility matrix of the components in use and compare dependencies of specific versions
- Create an IT concept for extending the platform with the following topics: hardware and software requirements, security, licensing, high availability, load balancing, backup & recovery, update strategy, monitoring integration, etc.
- Coordinate with business architects as well as technical architects from the cross-functional architecture area of the PRISMA program for the topics (backup, Active Directory, monitoring, Citrix, and business applications ...)
- Status meetings and alignment of project planning with the Release Train Engineer / Project Manager
- Advise the Release Train Engineer / Project Manager in identifying project risks
- Advise the System Architect Engineers in steering the implementation of the concept
- Implement the IT concept
- Document the infrastructure
Label: MS Project, LINUX, Windows, ORACLE, Java, REST, SharePoint, Microsoft Exchange, UML, Enterprise Architect, BPMN, AZURE, AWS, V-MODEL, Micro Service, VisualStudio, SAP S/4HANA, SCRUM(SAFE), ESB (TIBCO), Python, Innovator, LeanIX (TOGAF), Ansible, Ansible Tower, Ansible Automation, ROBOT, SpringBoot
Achim R.
Last position:
Project and Program Manager, PMO Lead at Freelancer / Interim Manager
Successful delivery of projects on behalf of customers:
-> 2023 – present: Project management for the consolidation of sites/data centers for a large telecommunications provider (infrastructure project, customer: Telefonica)
Opening and preparing new sites
Application migrations
Decommissioning and handover of old sites
-> 2021 – 2022: IT multi-project management for a large car leasing company (customer: Athlon)
Migration of applications to the cloud and to another data center
Additional projects to expand and optimize the application landscape
-> 2021: Project management for the development of a platform providing internet access on aircraft operated by various airlines (customer: m3Connect/German Telekom)
-> 2017-2020: Responsible management of an IP network consolidation (infrastructure project, customer: Cisco/Vodafone) at a large telecommunications provider
Planning and coordination of migrations and their rollout
Team leadership and integration of different teams (network operators, hardware and service providers)
Till Z.
Last position:
Product Owner at OPED / Mawendo
- Interim PO for a DiGA-listed digital therapy platform, ensuring compliant product development in a highly regulated SaMD environment (BfArM, BSI) while maintaining delivery pace.
- Challenge: Regulatory complexity combined with hands-on delivery responsibility and only one week of onboarding time.
- Impact: Introduced AI-assisted product development workflows with clear quality standards and reinstated regular short release cycles for faster, more precise delivery. Currently optimizing product development workflows and reducing AI-generated bloat in tickets and documentation.
- Introduced an OCR-based workflow in Langdock that automates therapy plan creation from prescription images.
Predrag P.
Last position:
Test Developer | Test Automation Engineer at CreditReform
Technologies: Java 25, Selenium, Insomnia, SSO, Gitlab, Jenkins, Docker, Kubernetes, Jira, IntelliJ, Nexus, Oracle, MariaDB, SpringBoot, Grafana, Concept Board, Vue.js, OpenApi, Kotlin. Implementation, maintenance, and enhancement of automated end-to-end regression tests for UI and API interfaces. Appropriate and targeted test automation involving multiple software products, including Java-based Windows applications. Automation of business processes with Selenium, reset jobs, and DB import jobs, as well as creation of test concepts, test case descriptions, and structured defect reporting.
Andreas B.
Last position:
Senior Software Developer at ELIONOVA AG
- Created an application to control measurement hardware with a Tauri application using React.JS and TypeScript on Raspberry Pi
- Developed a cloud application for storing and analyzing measurement results using Spring Boot and React.JS
- Built a Tauri application for printing ZPL labels on Windows
- Technologies: Java, JavaScript, Tauri, Rust, React.JS, AWS, Kubernetes, Docker, GitLab CI/CD, REST API (JSON), Maven, CI/CD, PostgreSQL
Andreas W.
Last position:
Freelancer at Infrafibre Networks GmbH
- Determining the current status (planning status / expansion status) of the so-called interpolygon routes
- Preparing an end-to-end project plan for the individual routes, taking active and passive components and activities into account
- Monitoring and controlling plan implementation
- Optimizing the selected network architecture
- Creating network and splice plans
Pierre G.
Last position:
Ansible Automation, Windows Third Level Support at DB InfraGO AG
- PRISMA project
- Ansible automation
- Windows third-level support for Windows NT, Windows 2000, Windows 2013, Windows 2016, Windows 2019
Juliane W.
Last position:
Senior Change Manager - IT Transformation at HDI Versicherungen AG
Digital Transformation - Data Center Closing HG & HGS
Industry: Insurance (>20.000 employees global)
- Led, created, and coordinated change management and communication activities end to end
- Ensured transparent, targeted, and continuous communication across digital and in-person channels
- Designed and delivered sustainable engagement and enablement analysis and target-group-specific formats
- Built and maintained global change networks, key-user communities, and multiplier structures
- Measured change impact through KPIs and continuously optimized adoption activities
- Collaborated closely with internal and external stakeholders and adjacent project teams
- Maintained documentation and tracked change activities
- Created and implemented communication materials
- Coached leaders and key stakeholders to strengthen a resilient and future-ready change culture
Manuel S.
Last position:
Project Manager at Univention
Industry: digital sovereignty, public sector
Responsibilities:
- Project coordination (teams: consulting, development, testing, deployment/operations)
Products and standards:
- Jira, Confluence, Asana, Miro, Mural
- Open Source, Keycloak, Open Xchange, ownCloud
Alexander K.
Last position:
Software Tester at Buhl Tax Service GmbH
- AI-assisted creation of test cases and test data
- Creation of test cases based on requirements
- Execution of manual tests
- Defect documentation, retesting and tracking
Technologies & Tools: SCRUM, Jira, Confluence, Zephyr Scale
Rainer L.
Last position:
Senior IT Consultant, Senior Software Architect, Senior Software Developer, Senior DevOps Engineer at Techniker Krankenkasse
Automation of the database major / minor releases for the TKeasy project
Concept for database major / minor release automation
Assessment of the current state
Evaluation of Redgate Flyway functionalities
Concept development
Products: Redgate Flyway, GitHub, Quest, Erwin Data Modeller, Oracle, Atlassian Jira, Atlassian Confluence
Knowledge: Docker, Continuous Delivery, Continuous Integration, Redgate Flyway, Major Releases, Minor Releases
Eberhart N.
Last position:
Service and Change Manager; Project Manager at Uniper-Energy
- Project manager for transition and migration of IPC Trader Telephony to 3CX-based dispatcher and Cloud9-based trader telephony
- Planned and managed company-wide replacement of IPC Trader Telephony with 3CX and Cloud9 solutions
- Continuous improvement of implementation processes and development and execution of optimization measures
- Planned, coordinated and tracked delivery of IT equipment and service provision at all sites
- Led a team of IT site managers to ensure IT services were delivered on time, within budget and with required quality
- Defined project scope in coordination with all business resources
- Planned and executed software and hardware rollouts, including user support during implementation
- Communicated with key customers and service organizations and collaborated with traders, telephony architects, app owners, testers and technical IPC teams
- Conducted stakeholder analysis for creation and maintenance of change management processes
- Managed full change process: prepared change requests, defended them in change board, communicated at company and user level, and supported change implementation
Discover over 15,000 top freelancers
Statistics of experts using Microsoft Windows
Aggregated from the professional profiles of matched freelancers.
Experience
23 years (Germany: 24 years)

Position duration
3.3 years (Germany: 5.2 years)

Positions per freelancer
16 (Germany: 15)

Top business areas
Information Technology, Product Development, Project Management

Top industries
Information Technology, Banking and Finance, Government and Administration

Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
76% (Germany: 78%)
Master's degree or higher
53% (Germany: 48%)
Doctorate
7% (Germany: 9%)

Certifications per freelancer
4 (Germany: 3)

Most common languages
German, English, French

Speak two or more languages
95% (Germany: 97%)
Based on our profile pool as of 29 Oct 2026.
Daily rate distribution
The chart shows how the daily rates of experts in this technology in Cologne are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows the share of experts charging within that range.
Discover detailed Microsoft Windows rate benchmarks:
Explore rate insightsAverage rates of experts in Cologne using Microsoft Windows
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 29 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Microsoft Windows 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 (90%)
- Banking and Finance (59%)
- Government and Administration (48%)
- Telecommunication (48%)
- Insurance (41%)
- Manufacturing (41%)
- Retail (40%)
- Healthcare (36%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Windows foundations
Microsoft Windows is the operating system behind business desktops, laptops, virtual machines and many dedicated workplace systems. Companies use it to run office software, line-of-business applications, endpoint security tools and device fleets. The Windows NT family provides the foundation for current professional environments.
Enterprise environments
Windows work commonly connects endpoint devices to identity, policy and collaboration services. Specialists configure Active Directory, Group Policy, DNS, DHCP, Microsoft Entra ID, Microsoft 365 and Windows Server according to the operating model. They also support virtualization with Hyper-V and manage access across on-premises and cloud-connected systems.
Typical deliverables
- Prepare and roll out Windows workstations with standardized configurations
- Migrate user profiles, applications, file shares and devices with controlled downtime
- Design Group Policy, patching and endpoint protection standards
- Troubleshoot performance, authentication, networking and application issues
- Document support procedures and handover rules for internal teams
When expertise matters
Companies often bring in freelance Windows specialists during office moves, device refreshes, mergers, security programs or server modernization. This is also useful when an internal team needs capacity for a migration without weakening daily support. In Cologne, professionals may collaborate remotely or join local teams on site when device access, workshops or rollout coordination requires it.
Skills beyond Windows
Strong professionals understand more than desktop configuration. They work with PowerShell, automation, networking, identity management, backup, monitoring, virtualization and security controls. Familiarity with Microsoft Intune, Configuration Manager, Azure services and common business applications helps them connect endpoint work to wider IT operations.
Signs of quality
- They clarify users, applications, dependencies and acceptance criteria before changing the environment
- They test policies and deployment packages with a controlled pilot
- They separate urgent recovery from lasting root-cause work
- They document settings, rollback steps and operational ownership
- They communicate clearly with technical and non-technical stakeholders
For Cologne-based work, language expectations and access procedures should be agreed early. The best specialist leaves a stable, supportable Windows environment rather than a collection of undocumented fixes.
Frequently asked questions
Quick answers to the questions that come up most around Microsoft Windows.
Companies use Microsoft Windows for employee workstations, business applications, file access, identity services and dedicated operational systems. It also supports Windows Server workloads, virtual machines and secure device management across hybrid environments.
Microsoft Windows is often selected for its broad business software support, Active Directory integration and extensive hardware compatibility. macOS can suit Apple-focused workplaces, while Linux is common for particular server, development or infrastructure workloads; the right choice depends on applications, security needs and existing skills.
A strong Windows specialist commonly works with PowerShell, networking, Active Directory, Group Policy, endpoint security and backup. Microsoft Intune, Configuration Manager, Microsoft 365, virtualization and Microsoft Entra ID are also valuable when the work spans modern workplace management.
Bring in a Microsoft Windows professional when a migration, rollout, incident backlog or security initiative exceeds internal capacity. Freelance support is also useful for documenting an environment, preparing a controlled deployment or transferring knowledge to an existing team.
The required background depends on the scope, risk and number of integrated systems rather than on the technology name alone. A workstation rollout needs different depth from an Active Directory redesign, Windows Server migration or recovery from a complex authentication failure.
Yes, Microsoft Windows work can often be delivered remotely through secure administration tools, documentation and scheduled collaboration. On-site support in Cologne may still be useful for physical device preparation, network changes, workshops or users who need direct assistance.
Freelancers working with Windows should clarify access controls, data handling expectations and the client’s documentation standards before starting. For Cologne teams, clear communication in English or German may matter, especially during user-facing rollouts and coordination with local stakeholders.
Ask a Microsoft Windows specialist to explain how they would assess dependencies, test changes, protect access and plan rollback. Good answers cover PowerShell or other automation, monitoring, documentation, handover and root-cause analysis rather than focusing only on quick fixes.
The average hourly rate of freelancers in Cologne, Germany who have used Microsoft Windows in their recent projects is 98 €, which corresponds to a daily rate of about 785 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used Microsoft Windows in their recent projects, 76% hold at least a Bachelor's degree, 53% hold at least a Master's degree, and 7% hold a doctorate.
On average, freelancers in Cologne, Germany who have used Microsoft Windows in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 3.3 years.
The most common languages among freelancers in Cologne, Germany who have used Microsoft Windows in their recent projects are German (100%), English (95%), and French (21%).
The most common industries among freelancers in Cologne, Germany who have used Microsoft Windows in their recent projects are Information Technology (90%), Banking and Finance (59%), and Government and Administration (48%).
The most common business areas among freelancers in Cologne, Germany who have used Microsoft Windows in their recent projects are Information Technology (97%), Product Development (67%), and Project Management (62%).
Main locations of FRATCH Experts, who have recently used Microsoft Windows
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.
Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
Would you rather directly get in touch?
We always have the time for a call or email!

Berlin
Hamburg
Munich
Frankfurt
Stuttgart
Dusseldorf
Leipzig
Dortmund
Essen
Bremen
Dresden
Hanover
Nuremberg