Xen Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Xen
Mohammed N.
Last position:
IT System Manager at Corporate Network Solution Provider
- Architected, Deployed and Supported hosted email solutions in Linux and Windows environments with enterprise-grade anti-spam and security architecture for service-provider environments.
- Managed Microsoft Azure environments including Virtual Machines, VNets, Storage, VPN, and Firewall configuration.
- Administered Microsoft Exchange Server (2010-2019), Microsoft Exchange Server SE, Active Directory, PKI, Hyper-V and Zimbra environments with disaster recovery planning and operational support.
- Led Microsoft 365 onboarding and migration projects from Exchange, IMAP, and Zimbra platforms to Microsoft 365.
- Prepare security and compliance to support Microsoft 365 Copilot.
- Implement information protection and data loss prevention by using Microsoft Purview.
- Implement retention, eDiscovery, and communication compliance in Microsoft Purview.
- Integrated Active Directory Domain Services (AD DS), Active Directory Certificate Services (AD CS), and Active Directory Federation Services (AD FS).
- Delivered secure hybrid infrastructure solutions integrating Microsoft Windows Server and Linux-based enterprise environments.
- Supported enterprise integration projects involving Debian, Ubuntu, CentOS, Red Hat, Barracuda ESG, Qmail and Zimbra Platforms.
Peter V.
Last position:
IT Administrator at SEAT Deutschland
- Creating concepts and architecture for domain integration (SEAT into the VW structure)
- Domain trusts and administration
- Operation and administration of Windows 2022/ 2025 servers and domains
- Domain restructuring
- GPO and SG editing and migration
- DNS restructuring and migration
Technologies: Windows 2022, Active Directory, ADFS, AD Azure Connect, DHCP, DNS, GPO, VMWare vSphere, Hyper-V, Powershell, Jira, MS Office 365,), SCCM, VSAN Fileservices, Approximately 800 servers, 400 users
Frank A.
Last position:
Business Analysis, Process Optimization, Requirements Engineering, Documentation, Training, Support at Private sector, small businesses, partnerships
- Restructuring of the network architecture/topology, followed by installation, setup and testing of the network at a small business.
- Resolution of server (permissions and roles) and connection problems (WAN, (V)LAN, WLAN).
- Infrastructure support and maintenance.
- Creation of documents such as manuals, architecture documents and design documents.
- Revision of manuals and technical documents, as well as creation of VBA macros.
- Use of AI and basic prompting, as well as formulation of AI requests.
- Adjustment of workflows due to legal requirements and optimization of existing workflows.
- Delivery of courses and training for adaptations, new features and changed workflows.
- Modeling basis: BPMN.
- System environment: MS Office 2019/365, Win10/11, Teams, Netgear (Switch), QNAP, Synology (NAS), Linux (Ubuntu).
Vicenco K.
Last position:
ITSM Project Manager (self-employed)
Unified ITSM framework
- Definition of a company-wide ITSM target picture
- Introduction of a uniform service structure across all business units
SLA and OLA management
- Building a standardized SLA framework
- Definition of service classes (Business Critical, Standard, Low Priority)
- Introduction of OLAs between internal teams
- Building meaningful SLA reporting
- Definition of KPI and service dashboards for business units
Service portfolio management
- Definition of service descriptions
- If needed, preparing possible cost and service billing
Ticketing & processes
- Incident management
- Uniform ticket categories
- Standardized prioritization
- Escalation matrix
- Automations
- Self-service optimization
Request fulfillment
- Service catalog across all business units
- Approval workflows
Problem management
- Introduction of root cause analysis
- Known error database
- Problem review process
Complete asset management concept
- Hardware lifecycle management
- Software lifecycle management
- Leasing lifecycle
- Mobile device lifecycle
- Monitor lifecycle
- Phone lifecycle
Processes
- Procurement
- Goods receipt
- Inventory
- Assignment
- Return
- Disposal
- Leasing return Goal: single source of truth for all assets
CMDB design
- Definition of all configuration items:
- Workplace
- Notebooks
- Monitors
- Mobile phones
- Printers
Infrastructure
- Servers
- Firewalls
- Switches
- WLAN
- Storage
- Backup systems
Cloud
- Azure resources
- Microsoft 365
- SaaS services
Relationships
- User ↔ Asset
- Asset ↔ Service
- Service ↔ Infrastructure
- Location ↔ Asset
- Goal: make all service dependencies visible
Software asset & license management
- License management concept
- License balancing
- Compliance reporting
- Microsoft license management
- Adobe license management
- SaaS management
- Contract management
- Renewal management
Interfaces & automation Existing systems
- Workday
- Joiner
- Mover
- Leaver
TESMA
- Leasing data
- Contract data
Matrix42
- Asset synchronization
- User synchronization
Active Directory / Entra ID
- User management
Microsoft 365
- License assignment
- Group management
Dormakaba
Access processes
Lifecycle services
Monitoring platforms
- PRTG
- Palo Alto
- Cisco
Reporting & KPI framework
- Definition of a management dashboard
- KPIs
- Ticket volume
- SLA fulfillment
- MTTR
- First resolution rate
- Asset accuracy
- License compliance
- Change success rate
- Service availability
- Degree of automation
Network redesign support
- Governance
- Support of the network redesign from an ITSM point of view
- Definition of affected services
- Change management structure
- Communication concept
CMDB integration
- Recording of all network components
- Service mapping
- Dependency analysis
Validation of documentation and knowledge base articles
- Network documentation
- Operations documentation
- Standard changes
Monitoring & event management
- Target picture
- Central monitoring concept
- Event management process
- Alerting strategy
- Escalation model
Systems
Cisco
Palo Alto
Fortinet
Rubrik
Veeam
Matrix42
Azure
Microsoft 365 Automation
Ticket creation from monitoring
Escalations
Standard actions
Audit, compliance & information security
- ISO 27001 consulting
- TISAX consulting
- NIS2 preparation - consulting
- Audit-ready processes
- Documentation structure
- Evidence tracking in Matrix42
Roadmap
- 12-month roadmap
- Prioritization of all measures
- Quick wins
- Medium-term projects
- Long-term target picture
- Documentation
Markus B.
Last position:
Developer / DevOps, Consulting at A state authority in Baden-Württemberg / FSAS Technologies GmbH
Oracle Project Management and Automation
As part of the project, the operation of an Oracle infrastructure was automated by developing and enhancing Puppet modules and migrating existing Bash scripts to a standardized configuration management solution.
The aim of the project was to standardize and automate administrative processes, improve the maintainability of the Oracle platform, and increase the efficiency and traceability of infrastructure management through the use of Infrastructure as Code.
- Analysis and migration of existing Bash shell scripts to a Puppet-based automation solution
- Development and enhancement of Puppet modules for Oracle environments
- Automation of installation, configuration and operational processes using Infrastructure as Code
- Standardization and optimization of configuration management for Oracle systems
- Creation and maintenance of technical and operational documentation
- Planning, coordination and professional support during project implementation
- Operation and automation of Oracle systems on x86-based Linux server platforms
- Testing and quality assurance of the developed Puppet modules
- Analysis and resolution of technical errors as part of the automation and migration
- Close coordination with specialist departments and infrastructure teams to implement automation requirements
Technologies used: Puppet 7/8, SLES 15, Oracle 19, Oracle Grid, SVN, Windows Server, Confluence, VS Code, Ruby, Bash, Pass
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
Serge K.
Last position:
Data Scientist & MLOps (Machine Learning Operations) at REWE Digital GmbH
- It is like a startup within REWE, where we have to build a new forecasting system on Google Cloud Platform from the scratch. Although, officially my role is called MLOps, my actual tasks also include development of data processing pipelines (data engineering) and data scientists tasks such as feature engineering and model trainings.
- GCP: Terraform (tofu), Vertex AI (Kubeflow), Cloud Run, IAM, Google Cloud Storage, BigQuery, Artifact Registry
- Data engineering: Snowflake as the main data warehouse, Terraform, DBT for data model implementations
- CI/CD: GitLab. We have built a CI/CD pipeline that automates deployments of new releases up to production environment
- Development of feature store and data synchronization between environments
- Data science: evaluation of different forecasting models, including CatBoost, Contextual Gamma and Random Forest; implementation of training pipelines using Kubeflow on Vertex AI; scaling and development of an event-driven interface using Kafka as a forecasting service; evaluation of MLFlow for model tracking and model registry
- Implementation of REST API using KeyCloak OAuth2 and OpenID (JWT)
- Monitoring: implementation of dashboards with Grafana, Prometheus, Mimir, Streamlit and Loki to monitor prediction metrics, GCP and Snowflake costs for pipelines, and system metrics
- Development of Copilot Agent Skills
Martin W.
Last position:
Security Auditor at MissionMe
- Environment: AWS, Ruby on Rails, GraphQL, React Native
- Penetration test for Backend, Android-App and iOS-App
Frank B.
Last position:
System Engineer at Frequentis Comsoft
- Migrate company software to RHEL10
- Development in Bash, Python, C, Ansible
Kristof B.
Last position:
Strategic Consulting at German Grid-Battery Storage Provider
- Consulted on IT security and process optimization, focusing on NIS2 and risk requirements
- Troubleshot and optimized plant core networks using STP, certified hardware, and open-source components such as OPNsense
- Redesigned network segmentation for VLAN rollout in a hybrid multisite multicloud setup using Tailscale VPN
- Facilitated cross-departmental discussions to align technical and social requirements
- Optimized monitoring with Grafana, Telegraf, and SNMP configurations
- Prototyped network setup for a new plant, including VLAN separation with Tailscale VPN
- Automated various scenarios using Python and Bash scripting
Arkadius S.
Last position:
AWS Pricing Platform / API & Integration Architecture at Porsche Digital
Development and evolutionary further development of a highly available, cloud-native microservice and integration architecture for dealer and retail processes in the Porsche Car Configurator.
Responsibilities
- Development of Java-/Kotlin-based backend, API, and integration components (Spring Boot)
- Integration of internal and external systems via REST/OpenAPI, GraphQL, Apache Kafka, and AWS SQS (synchronous and asynchronous)
- Implementation of stable, high-performance communication and data flows in a cloud-native platform architecture
- Processing of structured data formats (JSON, Protobuf, GraphQL schemas) based on existing API patterns
- Performance optimization of distributed microservices with reduced response times and higher operational stability
- Technical tests (unit, integration, and API tests) as well as error analysis in production-like environments
- AWS Infrastructure as Code with Terraform and AWS CDK
- CI/CD automation (build, test, and deployment pipelines) with GitHub Actions
- AI-supported feature implementation (GitHub Copilot Agent)
Label: Kotlin, Java 25, Spring Boot 4, Protobuf, TypeScript, AWS, Terraform, CDK, Apache Kafka, AWS SQS, REST/OpenAPI, GraphQL, JSON, PostgreSQL, Docker, GitHub Actions, Maven, Gradle, JUnit, Mockito, Testcontainers
Andreas I.
Last position:
Cybersecurity Specialist Assessor at Bundesnetzagentur
- Recognition of national notified bodies
- Preparation of cybersecurity competency reports
- EU Radio Equipment Directive
David B.
Last position:
Acting Partner at Bliestal Consulting UG
- Redesigning cablewise infrastructure with CAT 8.1 keystones, measuring the speed and quality of the new installation with Pockethernet, documentation at a local saddlery
- CAT 8.1 installation and building a data center, site linking, VPN and VLAN configuration for a local car dealership, implementation of IT-Security standards like virus protection (G Data) and firewalling (OPNSense)
- Relocation of a tax office with redesign of the IT infrastructure, virus protection (G Data) and backup solutions (QNAP)
- Planning, conception and implementation of an inhouse data center, BSI-compliant for commercial laundry (including Proxmox-based virtualization of existing infrastructures, QNAP, G Data, OPNSense, APC)
- Implementation and conception of security solutions in the SME sector
- Collaboration on the IT-security concept for the Bremen network of authorities (in the dLAN network)
- Creation of IT-security concept VOIS (modules MESO, KFZ/iKFZ) including audit preparation for KBA
- Expansion of the IT-security concept for the online service for electronic residence registration (eWA) to include use as an eFA (one-for-all) service (nationwide)
- Expansion of the IT-security concept to include modules wos & wvp
- Concept development for the implementation of DIN SPEC 27076 at MSEs and SMEs
- Creation and evaluation of emergency concepts
- Creation and evaluation of response actions and BCM plans
- Assessment of existing business continuity management (ISO 22301)
- Development of BCM strategy options
- Conducting awareness training
Dirk B.
Last position:
Senior Consultant Database Administration and SQL at Bliestal Consulting UG
- Complete redesign of IT infrastructure including setup of a server room according to BSI standards, new network concept and planning.
- Development of security concepts and IT security consulting for the DHCP/DNS election sector.
- Support of project management for the customer in the VOIS | MESO area.
- Technical support for setting up the IT infrastructure in new offices, including firewall configuration, router setup and network planning.
- Setup and configuration of the service management and ticket system JIRA.
- Implementation and administration of the Azure (Entra) environment for all employees.
- Setup and administration of the Confluence environment.
- Planning, setup, configuration and administration of the entire Atlassian Collaboration Suite.
- Development of BCM strategy options.
- Development and implementation of measures and creation of BCM plans, as well as evaluation of existing BCM.
André G.
Last position:
IT Consulting Project Management / Engineering Subproject Management at T-Systems (on assignment for government agencies)
- Projects for federal networks (NdB).
- CR management, EoL change requests, design and documentation according to ITSCM.
- Data center planning.
- Project management and engineering subproject management.
- Software development for virtual server environments according to BSI.
Discover over 15,000 top freelancers
Statistics of experts using Xen
Aggregated from the professional profiles of matched freelancers.
Experience
25 years
Position duration
2.3 years
Positions per freelancer
20
Top business areas
Information Technology, Project Management, Quality Assurance
Top industries
Information Technology, Telecommunication, Banking and Finance
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
64%
Master's degree or higher
43%
Doctorate
7%
Certifications per freelancer
6
Most common languages
German, English, French
Speak two or more languages
100%
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 Germany 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.
Average rates of experts in Germany using Xen
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.
Xen 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 (95%)
- Telecommunication (70%)
- Banking and Finance (55%)
- Manufacturing (55%)
- Retail (55%)
- Professional Services (50%)
- Automotive (45%)
- Education (35%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Virtualization foundation
Xen is an open-source type-one hypervisor that runs directly on physical hardware. It separates virtual machines from one another and provides controlled access to CPU, memory, storage and networking. The Xen Project hypervisor supports paravirtualization and hardware-assisted virtualization, making it suitable for private clouds, hosting environments and security-sensitive infrastructure.
Typical workloads
Xen specialists help companies build and maintain virtual environments for applications that need isolation, predictable resource allocation or flexible capacity. Common assignments include:
- Designing virtual machine clusters for hosting and private cloud platforms
- Migrating workloads from physical servers or other hypervisors
- Hardening guest isolation and privileged management domains
- Automating provisioning, backup and disaster recovery workflows
Ecosystem and tooling
Xen work often sits alongside Linux, libvirt, Open vSwitch and storage technologies such as Ceph, LVM or network-attached storage. Depending on the environment, specialists also use Xen Orchestra, command-line tools, cloud management software and monitoring systems. Citrix Hypervisor, formerly known as XenServer, remains relevant in enterprise environments that need a supported management layer.
When expertise matters
Companies usually bring in freelance Xen expertise during platform migrations, data-centre consolidation, performance investigations or security reviews. It is also valuable when an internal team inherits a legacy XenServer estate, needs a repeatable provisioning process or must connect virtualization with existing identity, networking and storage systems. In Germany, remote collaboration is common, while on-site work may help during hardware changes and cutovers.
Skills that distinguish specialists
Strong Xen professionals understand the hypervisor and the operating systems running above it. They can trace problems across hardware, dom0, guest kernels, virtual networks and storage rather than treating each layer in isolation. Look for experience with capacity planning, live migration, patching, backups, monitoring and incident response, plus clear documentation of risks and recovery steps.
Delivery and collaboration
A capable specialist starts by mapping workloads, dependencies, service levels and failure scenarios. They define the target architecture, test migration paths and establish rollback procedures before changing production systems. German companies may also value German-language workshops or documentation, but Xen projects can be delivered remotely when access controls, maintenance windows and escalation paths are agreed clearly.
Frequently asked questions
Not sure where to start with Xen? These answers cover the essentials.
Xen is used to run multiple isolated virtual machines on one physical server. Companies use it for hosting, private clouds, infrastructure consolidation, development environments and workloads that need strong separation between guests.
Xen is a type-one hypervisor with a mature isolation model and a strong open-source foundation. KVM is tightly integrated with the Linux kernel, while VMware offers a broad proprietary management suite; the right choice depends on existing skills, licensing, hardware, tooling and operational requirements.
A strong Xen specialist usually understands Linux administration, networking, storage, virtualization security and automation. Experience with libvirt, Open vSwitch, Ceph, configuration management and monitoring is useful when the hypervisor is part of a larger platform.
A Xen freelancer should have handled the type of environment your company operates, such as hosting, private cloud or enterprise virtualization. Ask for evidence of migrations, cluster operations, recovery testing, performance analysis and controlled production changes rather than relying only on familiarity with terminology.
Yes, many Xen assignments can be delivered remotely through secure access, documented procedures and scheduled maintenance windows. On-site presence in Germany can still be useful for hardware work, network changes, physical troubleshooting or high-risk migration events.
Xen can still fit new infrastructure when isolation, open-source control and an established operational model are important. A specialist should assess current support needs, available tooling, team knowledge and the alternatives before recommending it for a new platform.
Ask how the professional would isolate a noisy guest, recover a failed host, secure the management domain and validate a live migration. A good Xen specialist explains trade-offs clearly, uses measurable checks and produces practical runbooks instead of proposing unexplained configuration changes.
Xen is the underlying hypervisor technology, while Citrix Hypervisor is a commercial virtualization product built around it and formerly known as XenServer. Their management features, support model and release processes differ, so a project brief should state which product and operating environment are involved.
The average hourly rate of freelancers in Germany who have used Xen in their recent projects is 109 €, which corresponds to a daily rate of about 869 € based on an 8-hour working day.
Of the freelancers in Germany who have used Xen in their recent projects, 64% hold at least a Bachelor's degree, 43% hold at least a Master's degree, and 7% hold a doctorate.
On average, freelancers in Germany who have used Xen in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Germany who have used Xen in their recent projects are German (100%), English (100%), and French (40%).
The most common industries among freelancers in Germany who have used Xen in their recent projects are Information Technology (95%), Telecommunication (70%), and Banking and Finance (55%).
The most common business areas among freelancers in Germany who have used Xen in their recent projects are Information Technology (100%), Project Management (80%), and Quality Assurance (75%).
Main locations of FRATCH Experts, who have recently used Xen
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 Cologne Frankfurt Stuttgart Dusseldorf Leipzig Dortmund Essen Bremen Dresden Hanover Nuremberg Request a free demo
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Philipp Thomaschewski
FRATCH CEO
