
Microsoft Windows Experts in Cologne
matched in minutes from over 15,000 CVs with the power of AIHire experts who manage Windows environments, automate PowerShell workflows and deliver secure endpoint, identity and desktop solutions. FRATCH connects you quickly with vetted, available freelancers whose skills match your project precisely.
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)
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
Hooman B.
Last position:
Fullstack Developer at Möbel Roller GmbH
- Further development of the existing e-commerce platform based on SAP Commerce (Hybris) to meet the growing demands of digital commerce.
- Ensuring the scalability and performance of the backend, so the platform remained stable and efficient even under heavy user load.
- Development and integration of new OCC REST APIs and services for modular extensions and flexible adjustments, to implement new features quickly.
- Optimization of data flows and interfaces, which significantly improved platform efficiency and system performance.
- Ensuring a maintainable and scalable code base by using Clean Code principles, proven design patterns, and a future-proof architecture.
- Reduction of errors through extensive testing with JUnit, Mockito, and load tests with Gatling, supported by the introduction of automated test processes.
- Improved system performance through targeted refactoring measures and efficient database queries, especially to handle peak loads.
- Use of modern cloud and monitoring tools such as Kubernetes, Google Cloud Platform (GCP), and Grafana to ensure a stable and monitored infrastructure.
- Clear improvement in efficiency, scalability, and reliability of the platform, which now meets the demands of a dynamic and growing e-commerce market.
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)
Markus B.
Last position:
Consultant, Technical Project Manager at Lanxess
- Project: ESU Windows and SQL Server consolidation / Configuration Management in ServiceNow
- Creation of an as-is analysis of all servers worldwide
- Creation of an as-is analysis of all SQL servers worldwide
- Creation of requirements analyses for SQL and server migrations
- Coordination of requirements with partners for migrations to Hyper-V (on-premises) or Azure Cloud
- Moderation of jour fixe meetings
- Creation of roadmaps and solution models for server migrations
- Setup of test scenarios
- Moderation of workshops for the introduction of a Global Admin Team
- Creation of data models (CMDB) in ServiceNow
- Conducting workshops for the CMDB data model
- Creation of solution models for the CMDB
- Creation of seamless configuration and work documentation for the CMDB
- Creation of reports for license management
- Creation of KPIs for data quality in ServiceNow
- Creation of a service catalog
- Moderation of workshops for creating service requests
- Interface between needs analysis and 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
Christoph S.
Last position:
Test Manager at Logistics
- Coordination and planning, execution, documentation, and analysis of test cases
- Development of test concepts considering best practices (e.g., test pyramid) with a focus on reliable, automatable test runs
- Implementation and maintenance of test cases according to the test concepts
- Technologies: Citrix Workspace, Shopify, Jira, Xray, MS Teams, MS SharePoint, Confluence, MS Office 365
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.
Nenad B.
Last position:
Safety Video Analytics Project for Airbus at Airbus
- Developed a real-time video analytics proof-of-concept for deployment on NVIDIA Jetson edge devices.
- Implemented DeepStream pipelines including object detection, tracking, human pose estimation, face anonymization, and zone intrusion detection.
- Built a Qt/Python demonstration UI interfacing with the AI pipeline via REST APIs.
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
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
Michael M.
Last position:
Team Lead / Service Owner 2nd Level & ITIL at Creditreform
- Service owner of the receivables management platform Ikarus
- Management and coordination of external 1st-level service providers
- Team leadership and building ITIL-compliant support structures
- Managing the handover to 3rd-level support (internal & external, incl. vendor/development)
- Stakeholder management between the business unit, IT, and external partners
- Jira ticket automations and maintenance of Confluence documentation
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
As-is analysis
Evaluation of Redgate Flyway functionality
Concept creation
Products: Redgate Flyway, GitHub, Quest, Erwin Data Modeller, Oracle, Atlassian Jira, Atlassian Confluence
Skills: 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

Position duration
3.3 years (Germany: 5.2 years)

Positions per freelancer
16

Top business areas
Information Technology, Product Development, Quality Assurance

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

Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
75% (Germany: 78%)
Master's degree or higher
52% (Germany: 47%)
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 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Cologne 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 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 19 Sep 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 (57%)
- Government and Administration (48%)
- Telecommunication (48%)
- Manufacturing (41%)
- Insurance (40%)
- Retail (38%)
- Healthcare (34%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Operating system
Microsoft Windows is a desktop and server operating system used across offices, factories, schools and public services. Companies rely on it for business applications, file and print services, user access, endpoint management and virtual desktop environments. Its broad hardware and software compatibility makes it a common foundation for mixed IT estates.
Enterprise environments
Windows professionals design and maintain environments built around Windows 11, Windows Server, Active Directory and Group Policy. They connect users, devices, applications and permissions into manageable systems. In Cologne, this expertise supports distributed teams and local organizations that need reliable collaboration between on-site operations and remote specialists.
Tools and skills
The ecosystem extends beyond the operating system into Microsoft Entra ID, Microsoft Intune, Microsoft 365, PowerShell, Windows Admin Center and virtualization platforms such as Hyper-V. Strong specialists also understand networking, DNS, DHCP, certificates, patching, backup and endpoint security. They can document decisions and automate repeatable administration.
- Configure Active Directory domains, policies and access rights
- Automate provisioning, maintenance and reporting with PowerShell
- Manage Windows endpoints, updates and application deployment
- Connect on-premises systems with cloud identity and services
Project triggers
Companies bring in freelance expertise during migrations, office openings, mergers, security programmes and major application rollouts. Specialists can assess legacy estates, plan Windows 11 transitions, standardize configurations and resolve difficult production issues. They are also useful when an internal team needs temporary capacity without handing over long-term ownership.
- Replace inconsistent workstation or server configurations
- Prepare an endpoint management or identity migration
- Investigate recurring login, policy or performance failures
- Strengthen patching, hardening and recovery procedures
What quality looks like
A strong professional treats Windows as part of a wider service, not as an isolated desktop product. They test changes, use least-privilege access, keep rollback plans and explain operational impact clearly. Practical experience with incidents, documentation and user communication matters as much as command knowledge.
Choosing collaboration
Remote delivery works well for assessment, scripting, documentation, monitoring and many configuration tasks when secure access is available. On-site work may matter for hardware, local networks, sensitive environments or large-scale device rollouts. Agree on access controls, German or English communication, working hours and handover standards before the engagement begins.
Frequently asked questions
Quick answers to the questions that come up most around Microsoft Windows.
Companies use Microsoft Windows for employee desktops, business applications, file and print services, identity management and Windows Server workloads. It also supports endpoint management, virtual desktops and integration with Microsoft 365.
Microsoft Windows is often chosen for its broad business software support, hardware compatibility and integration with Active Directory and Microsoft 365. macOS can suit Apple-focused environments, while Linux is common for specialized server, cloud and open-source workloads.
A strong Windows specialist often brings PowerShell, Active Directory, Group Policy, DNS, DHCP, networking and endpoint security skills. Experience with Microsoft Intune, Microsoft Entra ID, Microsoft 365, virtualization and backup is valuable for larger environments.
The right Microsoft Windows professional depends on the scope and risk of the work. A focused PowerShell or workstation task may need a narrower specialist, while migrations, domain redesigns and security changes require someone comfortable with architecture, testing and incident response.
Much Microsoft Windows work can be delivered remotely, including assessments, scripting, policy design, monitoring and documentation. On-site collaboration may still be useful for hardware, local network access, sensitive systems or coordinated device rollouts in Cologne.
Ask a Windows professional to explain comparable environments, diagnostic methods and rollback procedures. Look for clear documentation, least-privilege practices, automation where appropriate and evidence that changes were tested before production deployment.
Microsoft Windows specialists can support traditional domains, Windows Server and local applications alongside Microsoft Entra ID, Intune and Microsoft 365. The key is understanding how identity, devices, policies and security controls behave across both environments.
A Microsoft Windows freelancer should clarify the estate, access model, documentation, change process and expected communication language. Projects in Cologne may combine remote work with on-site sessions, so availability for planned visits and secure remote access should be agreed early.
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 784 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used Microsoft Windows in their recent projects, 75% hold at least a Bachelor's degree, 52% 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 (57%), 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 Quality Assurance (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.
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