CentOS Experts in Munich
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Meet FRATCH Experts in Munich, who have recently used CentOS
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.
Markus O.
Last position:
Lead E-Solution Architect & Senior Requirements Engineer at Zasterbot-Oracle
- Clarification of project objectives, scope and the target business vision for building the AI-based knowledge database.
- Derivation of the initial architecture and implementation strategy for the Zasterbot chatbot, including separation of the MVP and further development stages.
- Development of a target business vision for building a structured knowledge database and integrating a future chatbot.
- Derivation and prioritization of use cases for information retrieval and provision by the chatbot.
- Modeling of data structures and flows for the effective organization of the knowledge database on the Base44 platform.
- Design and implementation of data models for storing and linking relevant information.
- Development of processes for extracting, analyzing and preparing raw data for the knowledge database.
- Ensuring data consistency and quality as the basis for the future chatbot.
- Planning the integration of Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) for precise and context-specific answers.
- Implementation of functions for analyzing and displaying data from the knowledge database.
- Use of the Base44 platform with JSON Schema-based entities and a flexible permission concept.
- Implementation of Deno functions for backend logic, event processing and connecting external APIs.
- Integration of OpenAI services for initial data analysis.
Volker R.
Last position:
Architect and Senior System Administrator at International trading company
- Analysis and optimization of the VMware environment for operation in a KRITIS environment
- Planning and implementation of updates to the VMware and hardware environment in a KRITIS environment
- Set up Skyline Health Diagnostics
- Review of the existing documentation
- Training and onboarding of new internal employees
- Support with migration and upgrade projects
- Preparations for moving scripts in the virtualization environment to GitLab
- Ticket processing with Service.Now
Vitaliy R.
Last position:
DevOps GitOps (temp) at Signal Iduna
- Responsible for Openshift/Kubernetes on-prem administration and developer support.
- Developed URP infrastructure automation with Python, Ansible, Kustomize and ArgoCD, Argo Workflow/Events stack.
- Wrote smoke and load tests for URP infrastructure utilizing Python, Kustomize and ApplicationSets.
- Helped to set up and deploy URP infrastructure in Google Cloud, GKE.
- Set up monitoring for URP and ArgoCD stack with Splunk Cloud.
- Performed system administration tasks across RedHat Linux, Kubernetes/Openshift, ArgoCD, GitLab, Bitbucket Enterprise, Kafka and MongoDB.
Daniel R.
Last position:
Software Engineer at DB InfraGO AG
- Development of dynamic web components for displaying KPIs, intelligent map applications, and operational process analysis tools
- Angular 18+
- Leaflet, MapLibre
- NestJS, JavaScript, HTML, CSS
- PostgreSQL, GraphQL, RabbitMQ
- Gitea, Jenkins, Docker
Alexander N.
Last position:
Security Expert at DAK-Gesundheit
- Pentesting of mobile applications
- Code review
- Gematik audit
- Development of secure software development methods
- Creation of security and test concepts
- Penetration testing of software and architecture
- Vulnerability analysis
- Automation and information security
- Use of Confluence and Jira
- Working with databases, J2EE, JavaServer Faces, Liquibase, Apache, Maven, Mercurial, Oracle Financials
- Documentation and creation of security policies
- Management of software systems, SharePoint, PrimeFaces, Git
- Compliance with security regulations and .NET, AWS, API
- Tools: MobSF, Frida, Android Studio, Drozer, Objection, Azure
Otto H.
Last position:
Ubuntu Linux System Support at Self-employed
- Linux system support for clients in an enterprise DevOps environment
- Bash shell scripting
- Git
- SaltStack
- Foreman
- Podman/Docker
- Jira
- Confluence
- Daily Scrum meetings
Janusz M.
Last position:
IoT Edge Computing / Self-Driving-Cars at Automotive consulting company
- Platform: Python ecosystem, RHEL 8, K10, AWS IoT Core, AWS Lambda, MLOps
- Software: Java JEE/cloud, IntelliJ IDEA, AWS IoT Core, AWS Edge and Lambda, AWS SageMaker SDK, Docker Compose, Kubernetes, OpenShift 4, Tekton, Flux, Helm charts, JSON/XML technology, Nginx, Apache Spark, OpenAI (GPT Plus, DALL-E 3, Whisper), GAN, GitHub Copilot, AI/machine and deep learning, Jupyter notebooks, TensorFlow 2, Colab, Keras API, Prometheus, Grafana, Conda, Python 3.9, PySci stack (NumPy, pandas, Scikit-learn, matplotlib)
- Responsible for webinar:
- IoT edge computing: architecture, components, resources, management
- IoT edge computing with MicroK8s, designing and creating flows/diagrams for AWS, three-step model for IoT ecosystem
- IoT processes, connectivity, data transfer and deployment, security
- Optimization of edge computing for IoT networks and services (AWS SQS queue, SNS notifications, events, analytics, buttons, device management/defender, Things Graph)
- Machine/deep learning frameworks (models, training, pipeline optimization, deployment in the cloud/at the edge (OpenShift), monitoring workloads with Prometheus and Grafana)
- Performance optimization for low latency/resilience using adaptive ML/DL/RL models for customer IoT data
- Analysis of large sensor data sets with Apache Spark, Kafka clusters
- Kasten K10 data management platform on Kubernetes multi-cluster with Helm chart, deployment, backup/disaster recovery (RTO/RPO), data lifecycle and security management
- Implementation of multilayer artificial neural network (ANN) with TensorFlow 2 and Colab for regression and classification; data analysis and provisioning for applications; development of models for testing and training, deployment of models
- Automation of business streamline processes with AI (Azure OpenAI, Discord bots/Zapier apps AI assistants (IntelliJ, GitHub Copilot))
Discover over 15,000 top freelancers
Statistics of experts using CentOS
Aggregated from the professional profiles of matched freelancers.
Experience
28 years (Germany: 22 years)
Position duration
2.3 years (Germany: 3.3 years)
Positions per freelancer
16 (Germany: 14)
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Finance, Human Resources
Bachelor's degree or higher
100% (Germany: 79%)
Master's degree or higher
57% (Germany: 49%)
Doctorate
14% (Germany: 11%)
Certifications per freelancer
3 (Germany: 4)
Most common languages
German, English, Bangla
Speak two or more languages
88% (Germany: 99%)
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 Munich 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 Munich using CentOS
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.
CentOS 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%)
- Banking and Finance (63%)
- Government and Administration (63%)
- Automotive (50%)
- Healthcare (50%)
- Insurance (50%)
- Media and Entertainment (50%)
- Retail (50%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
CentOS at a glance
CentOS is a Linux distribution built from the sources of Red Hat Enterprise Linux. It has long been used for stable servers, hosting environments, web applications and internal infrastructure. CentOS Linux reached its end of life, so current projects must distinguish legacy installations from CentOS Stream and plan their operating system strategy carefully.
Systems and workloads
CentOS specialists support infrastructure that needs predictable operation, controlled configuration and strong automation. Common workloads include:
- Web, application and database servers
- Virtual machines and private cloud hosts
- High-availability and monitoring environments
- Build, test and deployment systems
They also handle backups, storage, access controls, performance checks and incident response across mixed Linux estates.
Ecosystem and tooling
CentOS work often sits close to the Red Hat ecosystem, including RPM packages, DNF or YUM-based package management, SELinux, systemd and firewalld. Strong professionals use Bash, Python, Ansible, Git and infrastructure-as-code tools to make server changes repeatable. They may also work with Apache, Nginx, MariaDB, PostgreSQL, Docker and Kubernetes, depending on the workload.
When expertise matters
Companies bring in freelance CentOS specialists when an environment must remain stable while its operating system strategy changes. Typical triggers include:
- Moving from CentOS Linux to CentOS Stream or another supported distribution
- Auditing security, patching and privileged access
- Rebuilding manual server setups as automated infrastructure
- Resolving outages, package conflicts or performance issues
For teams in Munich, remote collaboration can work well for planned infrastructure tasks, while on-site support may help with data-centre work or complex handovers.
What strong specialists deliver
A capable CentOS professional begins with the actual workload, dependencies and support requirements rather than treating every server the same. They document configurations, test changes, define rollback steps and separate urgent remediation from long-term migration work. They understand the difference between CentOS Linux, CentOS Stream, Rocky Linux and AlmaLinux, and explain the operational impact of each choice.
Choosing the right professional
Look for evidence of production Linux operations, not only familiarity with installation commands. Ask how the specialist approaches patching, SELinux policies, backup validation, monitoring and recovery testing. Experience with Ansible, virtualization, networking and security adds value when CentOS forms part of a wider platform. For Munich-based collaboration, clarify availability for German- or English-language workshops, access procedures and any on-site requirements before work begins.
Frequently asked questions
Key details about CentOS, drawn from the questions we get asked most.
CentOS is used for Linux servers, hosting environments, application platforms, databases and internal infrastructure. Its stability and Red Hat compatibility made it common in production estates, although teams now need a clear plan for legacy CentOS Linux systems.
CentOS Linux, Rocky Linux and AlmaLinux are closely associated with the Red Hat Enterprise Linux ecosystem, but their release models and project governance differ. CentOS Stream sits ahead of the corresponding Red Hat release, while Rocky Linux and AlmaLinux aim for compatible enterprise server operation.
A strong CentOS specialist usually brings skills in Bash, Ansible, networking, storage, virtualization, monitoring and security hardening. Knowledge of SELinux, systemd, RPM packages, Apache or Nginx and common databases is useful for wider server responsibilities.
The right CentOS experience depends on the work. A small configuration task may need focused Linux administration knowledge, while a migration, security remediation or high-availability redesign calls for proven production operations, testing discipline and recovery planning.
CentOS infrastructure work is often suitable for remote collaboration through secure access, documented changes and scheduled maintenance windows. On-site availability in Munich can still matter for physical servers, restricted networks, hardware work or a sensitive operational handover.
CentOS Stream is not automatically the right replacement for every CentOS Linux installation. Its position between upstream development and Red Hat Enterprise Linux can suit teams that want earlier visibility into changes, while conservative environments may prefer another supported enterprise distribution.
Ask a CentOS specialist to explain a real change process, including discovery, testing, rollback, documentation and monitoring. Good professionals can discuss package management, SELinux, patching, backups and incident response in terms of business risk rather than only listing tools.
CentOS assignments often involve legacy dependencies, undocumented server changes and migration decisions rather than simple installation work. Freelancers should clarify the exact distribution, support status, access model, maintenance window, security expectations and whether the client needs remote work or on-site collaboration in Munich.
The average hourly rate of freelancers in Munich, Germany who have used CentOS in their recent projects is 105 €, which corresponds to a daily rate of about 844 € based on an 8-hour working day.
Of the freelancers in Munich, Germany who have used CentOS in their recent projects, 100% hold at least a Bachelor's degree, 57% hold at least a Master's degree, and 14% hold a doctorate.
On average, freelancers in Munich, Germany who have used CentOS in their recent projects have 28 years of professional experience, with a single engagement typically lasting around 2.3 years.
The most common languages among freelancers in Munich, Germany who have used CentOS in their recent projects are German (100%), English (88%), and Bangla (13%).
The most common industries among freelancers in Munich, Germany who have used CentOS in their recent projects are Information Technology (100%), Banking and Finance (63%), and Government and Administration (63%).
The most common business areas among freelancers in Munich, Germany who have used CentOS in their recent projects are Information Technology (100%), Project Management (100%), and Operations (75%).
Main locations of FRATCH Experts, who have recently used CentOS
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 
Berlin Request a free demo
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Philipp Thomaschewski
FRATCH CEO
