Virtualization Experts in Essen
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Meet FRATCH Experts in Essen, who have recently used Virtualization
Adem Susam
Last position:
IT Consultant (Test Manager) & CEO at Trikolon Consulting GmbH
- Development and implementation of test concepts for complex, multi-layered systems
- Creation of regular management reports and presentations for stakeholders and clients
- Technical and disciplinary leadership of international test teams (coordination, coaching, resource planning)
- Responsibility for quality assurance across multiple test levels (unit, integration, system, and acceptance tests)
- Design of test cases and test plans in Azure DevOps; ensuring traceability and coverage
- Use of BDD approaches (Gherkin/Cucumber) to prepare test automation
- Building a test automation architecture with Playwright and integrating new tests into CI/CD pipelines
- Performing API tests (REST) and tests for mobile/PWA applications
- Setup and maintenance of test environments across multiple stages (integration, QA, UAT, pre-production)
- Test data management (synthetic and production-like data), ensuring consistency and reproducibility
- Collaboration with DevOps teams for containerization (Docker/OpenShift) and CI/CD integration
- Working under SAFe & Scrum, closely coordinating with product owners and DevOps teams
- Active participation in PI plannings, sprint reviews, and retrospectives
- Promoting an agile QA culture through coaching and knowledge sharing
- Introducing scalable test automation with Playwright → significant reduction of manual testing efforts
- Increasing test transparency through clean defect and reporting management in Azure DevOps
- Improved release quality through an end-to-end QA strategy and automated regression tests
- Strategic leadership of Trikolon Consulting GmbH and responsibility for finance, personnel, and business development
Gernot Lang
Last position:
Founder and Managing Director at Softwerk/Ruhr GmbH
- Architecting and developing SaaS platform for graphical definition and execution of pandas data processing pipelines
- Developed POlyglott, an open-source Python CLI tool for translation workflow management featuring PO file parsing, quality linting with glossary enforcement, and DeepL API integration for machine translation
- Developed web application for material compliance management (EU REACH) using Django and modern web technologies
- Built automated infrastructure platform using Proxmox, Terraform, and Ansible — VM provisioning, configuration management, internal DNS, and fleet-wide security hardening across multiple subnets
Nermin Kasumovic
Last position:
Service Manager, Change Manager, Project Manager at ITZ-Bund
- Responsible for service management and change management within the ITZ-Bund network.
- Creating, tracking, and modifying change requests for applications and infrastructure at ITZ-Bund.
- Adapting and extending change management processes.
- Ensuring required technical functionality of specific applications (beBPo Web, Governikus Multi Messenger GMM).
- Project management activities for individual projects within the ITZ-Bund network.
- Managing and ensuring availability of external service providers (Governikus, Materna).
- Participation in an FMS audit (documentation description, processes, quality) for individual agencies of ITZ-Bund.
- Monitoring deadlines and milestones, reporting project progress to various stakeholders.
- Single point of contact (SPOC) for various departments, weekly fixed meetings with clients and status meetings.
- Creating and planning infrastructure G2X maps, monitoring, and status reporting to clients and external service providers.
- Participation in certificate requests and certificate exchange for customer-specific infrastructure and applications.
- Planning, coordinating, and executing communication for announcing, carrying out, and following up on planned activities.
- Monitoring effort and developing improvement suggestions.
- Skills/Tools: ITIL, Prince 2, Windows 10, Microsoft Office, Governikus products, Materna products, Confluence, Jira, BMC Remedy, Smart IT
Aladdin Alzoubi
Last position:
Technical Consultant at NFON
- Presentations and workshops regarding different VOIP products and technologies
- Design of VOIP and network solutions from core to premium solutions and necessary non-standard solutions
- Processing of tenders
- Development of VOIP and network technical implementation of customer requirements
- Implement and configure different UC products on cloud
Benjamin Wennmacher
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
Marcel Rogmann
Last position:
Team Lead 1st-Level Support – supporting 1st, 2nd and 3rd level support
- Established and led the 1st-level support team of 6 employees
- Shift planning
- Conducting and designing training sessions to optimize service processes
- Setting up and maintaining a knowledge base for the support team and end users
- Rolling out MFA and Windows Hello/Conditional Access, as well as troubleshooting and documentation
- Migrating Exchange on-premises to O365 (approx. 320 users)
- User administration/access management for multiple global locations
- Supporting external employees and companies with access to internal systems and resources
- Dispatching and prioritizing incoming support cases
- Rolling out the current system build for Windows 10 devices
- Monitoring the monitoring tools and creating escalation tickets as required
- Maintaining DNS records and zones
- Replacing hardware – servers and clients
- Reporting
- Tools used: ManageEngine, Zabbix, AD, Entra, Exchange, Windows 10, 11 and Server, Q.Wiki, O365
Discover over 15,000 top freelancers
Statistics of experts using Virtualization
Aggregated from the professional profiles of matched freelancers.
Experience
21 years (Germany: 24 years)
Position duration
2.2 years (Germany: 3.3 years)
Positions per freelancer
15
Top business areas
Information Technology, Operations, Quality Assurance
Top industries
Information Technology, Manufacturing, Energy
Certification focus areas
Information Technology, Project Management, Quality Assurance
Bachelor's degree or higher
60% (Germany: 69%)
Master's degree or higher
40%
Certifications per freelancer
4
Most common languages
German, English, Arabic
Speak two or more languages
100% (Germany: 97%)
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 Essen 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 Essen using Virtualization
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
What it covers
Virtualization lets one physical system run several isolated systems at once. It is used for virtual machines, test labs, server consolidation, desktop delivery and recovery setups. Strong specialists know when to use VMware, Hyper-V, KVM or Xen, and when bare metal is the better choice.
Typical work
- Set up hosts, clusters and guest systems
- Move workloads with minimal interruption
- Tune storage, memory and network use
- Build backup, snapshot and failover plans
- Review licenses, capacity and isolation needs
Core stack
A strong virtualization setup is never just the hypervisor. It also includes storage layers, virtual switches, templates, automation scripts and monitoring. In many Essen companies, specialists work close to infrastructure, workplace and security teams to keep mixed environments steady across offices and remote access.
When to bring help
Companies usually bring in freelance experts when a platform needs to be introduced, migrated or cleaned up. The same applies when hosts are overloaded, backups are fragile or older VMware estates need a careful plan for change. Short-term support is also common during audits, refresh projects and cloud hybrid work.
What good specialists do
Good professionals map dependencies before they touch production. They know how to size hosts, avoid noisy neighbors, design redundancy and document every change clearly. They also test failover, permissions and restore paths, so the environment is easier to operate after the project ends.
Essen context
In Essen, virtualization work often supports internal business systems, engineering teams and distributed office setups. On-site help can be useful for hardware rollouts, while many planning and migration tasks work well remote if access is prepared. Clear German and English communication helps when several teams share the same environment.
Frequently asked questions
Questions about Virtualization? Start with the answers below.
Virtualization means running separate systems on shared physical hardware. Companies use it for virtual machines, isolated test environments, server consolidation and recovery planning. It helps teams separate workloads without buying a separate server for every service.
Virtualization is the broader concept; VMware is one of the best-known ecosystems that implements it. The same conversation may also involve Hyper-V, KVM or Xen, depending on the environment. A good specialist understands the concept first and then chooses the right stack for the platform in use.
A strong virtualization specialist also knows storage, networking, identity and backup design. Skills with virtual switches, SAN or NAS storage, snapshots, templates and automation are often part of the work. Without those pieces, even a well-built host layer can be hard to operate safely.
Virtualization projects often need outside help during migration, hardware refreshes, consolidation work or recovery redesign. External specialists are also useful when teams inherit an old environment and need a clean assessment before changes start. That is especially common when production systems cannot afford trial and error.
Virtualization gives each workload its own guest system, which is useful when isolation, legacy software or different operating systems matter. Containers are lighter, but they share the host kernel and fit different use cases. Cloud services can sit on top of either approach, so the choice depends on control, compatibility and operations.
Virtualization work can often be done remotely if access, documentation and change windows are clear. On-site help is valuable for host installation, cabling, hardware faults or data center checks. In Essen, mixed setups are common, so many projects combine remote planning with selective on-site sessions.
A strong virtualization professional often brings Linux or Windows Server knowledge, networking, storage administration and backup tooling. Scripting for repeatable tasks is a plus, as is experience with monitoring and security hardening. Those skills make migrations, troubleshooting and capacity planning much smoother.
Look for clear answers about architecture, dependencies, rollback and testing. A good virtualization specialist explains trade-offs, not just product names like VMware ESXi or Hyper-V. Ask for examples of migrations, failover design and restore validation, because those show how the person handles real production risk.
The average hourly rate of freelancers in Essen, Germany who have used Virtualization in their recent projects is 98 €, which corresponds to a daily rate of about 781 € based on an 8-hour working day.
Of the freelancers in Essen, Germany who have used Virtualization 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 Essen, Germany who have used Virtualization in their recent projects have 21 years of professional experience, with a single engagement typically lasting around 2.2 years.
The most common languages among freelancers in Essen, Germany who have used Virtualization in their recent projects are German (100%), English (100%), and Arabic (17%).
The most common industries among freelancers in Essen, Germany who have used Virtualization in their recent projects are Information Technology (100%), Manufacturing (83%), and Energy (50%).
The most common business areas among freelancers in Essen, Germany who have used Virtualization in their recent projects are Information Technology (100%), Operations (83%), and Quality Assurance (83%).
Main locations of FRATCH Experts, who have recently used Virtualization
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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