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CentOS Experts in Munich

in minutes from over 15,000 CVs with the power of AI.

Hire experts who keep CentOS servers stable, secure, and easy to maintain. They handle package management, hardening, migration from CentOS Linux, and day-to-day Linux operations with fast, precise matching and vetted, available freelancers.

Meet FRATCH Experts in Munich, who have recently used CentOS

Verified expert

Markus Oberhammer

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Lead E-Solution Architect & Senior Requirements Engineer

Munich
Markus Oberhammer

Last position:

Lead E-Solution Architect & Senior Requirements Engineer at Zasterbot-Oracle

  • Clarification of project goals, scope, and functional target vision for building the AI-based knowledge base.
  • Deriving the initial architecture and implementation strategy for the Zasterbot chatbot, including defining the MVP and expansion phases.
  • Developing a functional target vision for building a structured knowledge base and integrating a future chatbot.
  • Deriving and prioritizing use cases for information retrieval and provision by the chatbot.
  • Modeling data structures and flows for effectively organizing the knowledge base on the Base44 platform.
  • Designing and implementing data models for storing and linking relevant information.
  • Developing processes for extracting, analyzing, and preparing raw data for the knowledge base.
  • Ensuring data consistency and quality as the foundation for the future chatbot.
  • Planning the integration of large language models (LLMs) and retrieval-augmented generation (RAG) for precise and context-aware responses.
  • Implementing features for analyzing and visualizing data from the knowledge base.
  • Using the Base44 platform with JSON-schema-based entities and a flexible permission model.
  • Implementing Deno functions for backend logic, event processing, and external API integration.
  • Integrating OpenAI services for initial data analysis.
Verified expert

Volker Reisberger

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IT Consultant, IT Architect, Senior System Administrator and Lecturer

Sauerlach
Volker Reisberger

Last position:

Architect and Senior System Administrator at International Trading Company

  • Analysis and optimization of the VMware environment for operation in a critical infrastructure environment
  • Planning and execution of updates for the VMware and hardware environment in a critical infrastructure environment
  • Deployment of Skyline Health Diagnostics
  • Review of existing documentation
  • Training and onboarding of new internal staff
  • Support for migration and upgrade projects
  • Preparation for moving scripts in the virtualization environment to GitLab
  • Ticket handling with ServiceNow
Verified expert

Alexander Nagy

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Security Expert

München
Alexander Nagy

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
Verified expert

Daniel Redwig

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Software Engineer

Munich
Daniel Redwig

Last position:

Software Engineer at DB InfraGO AG

  • Developed 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
Verified expert

Janusz Mazurek

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IT Senior Software Engineer

Munich
Janusz Mazurek

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))
Verified expert

Otto Haas

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Ubuntu Linux System Support

München
Otto Haas

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

Discover over 15,000 top freelancers

Statistics of experts using CentOS

Aggregated from the professional profiles of matched freelancers.

Experience

28 years (Germany: 23 years)

Position duration

2.1 years (Germany: 3.4 years)

Positions per freelancer

17 (Germany: 15)

Top business areas

Information Technology, Project Management, Operations

Top industries

Information Technology, Government and Administration, Automotive

Certification focus areas

Information Technology, Finance, Human Resources

Bachelor's degree or higher

100% (Germany: 79%)

Master's degree or higher

67% (Germany: 48%)

Doctorate

17% (Germany: 10%)

Certifications per freelancer

2 (Germany: 3)

Most common languages

German, English, French

Speak two or more languages

86% (Germany: 99%)

Based on our profile pool as of 30 Aug 2026.

Daily rate distribution

0 1 2 3 4
<€720 €800-​880 €960+

The chart shows how the daily rates of freelancers in this technology in Munich 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 Munich using CentOS

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 850 €
Germany avg. 833 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 800 €
Germany median 800 €

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

CentOS in practice

CentOS is a Linux distribution used for servers, internal tools, and classic enterprise workloads. Teams choose it when they want a stable base for web services, databases, file services, and infrastructure that must stay predictable over time. It is often discussed together with CentOS Linux and the wider Enterprise Linux ecosystem.

Typical tasks

  • Install and maintain CentOS servers
  • Configure SSH, firewalls, users, and services
  • Patch packages and manage repositories
  • Tune Apache, Nginx, MariaDB, and PostgreSQL
  • Support legacy systems and controlled upgrades

Ecosystem skills

Strong CentOS professionals know the tools around the distribution, not just the command line. They work with systemd, yum or dnf, SELinux, cron, log files, and shell scripting. Many also know how CentOS fits into RHEL-compatible environments, virtualization stacks, and automation with Ansible.

When specialists help

Companies bring in freelance CentOS experts when a server is old, undocumented, or tied to other systems that cannot be changed quickly. The work often includes migration planning, security review, package cleanup, and recovering services after a failed update. In Munich, this is common in regulated firms, industrial IT, and mixed on-premise environments.

What good work looks like

A strong CentOS specialist makes changes in a controlled way and explains them clearly. They verify services after every update, keep configuration files tidy, and reduce hidden dependency problems. Good experts also document handover steps so internal teams can support the system after the project ends.

Signs you need one

  • The server is still running CentOS Linux and needs a plan
  • Updates are risky because the setup is old or custom
  • Services fail after package changes or reboots
  • Security settings are unclear or inconsistent
  • Your team needs remote support or on-site help in Munich
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Frequently asked questions

Key details about CentOS, drawn from the questions we get asked most.

CentOS is used for server workloads that need a stable Linux base. Companies rely on it for web hosting, application servers, databases, file shares, and internal infrastructure. It is especially common where long-lived systems and careful change control matter.

CentOS has historically sat close to Red Hat Enterprise Linux, which is why many teams choose it for compatible server setups. The main difference is how the project is maintained and what release model it follows. In practice, many companies now compare CentOS with Rocky Linux or AlmaLinux when planning replacements or upgrades.

A strong CentOS freelancer is useful when you need to move away from CentOS Linux, replace an old server, or untangle a system that has grown over time. Migration work needs careful package checks, service testing, and rollback planning. It is a good fit when the internal team knows the business system but not the Linux edge cases.

A capable CentOS professional usually brings shell scripting, systemd, SELinux, firewall setup, and package management. Knowledge of Apache, Nginx, MariaDB, PostgreSQL, virtualization, and Ansible is often valuable too. If the system is in production, log analysis and backup handling matter just as much.

A CentOS project that only needs routine maintenance may be handled by a general Linux specialist with solid hands-on experience. Older systems, custom services, or security-sensitive environments need someone who has worked through recovery, migration, and troubleshooting before. The more dependencies the system has, the more important practical depth becomes.

Most CentOS tasks can be done remotely if the server access, change process, and communication are clear. On-site support can help when hardware, local network issues, or access restrictions are part of the problem. In Munich, mixed setups are common, so many projects use both remote work and occasional on-site time.

Look for a CentOS expert who can explain the current state of the system, the risks, and the exact change plan before touching anything. Good signs are clear documentation, safe update steps, log-based troubleshooting, and a calm approach to rollback planning. They should be able to show how they keep services stable after maintenance.

With CentOS, the first questions are usually about version state, installed services, package sources, and whether the system is still supported by the existing setup. Companies also want to know if the work is maintenance, migration, security hardening, or recovery. Clear answers help match the right freelancer to the actual problem.

The average hourly rate of freelancers in Munich, Germany who have used CentOS in their recent projects is 106 €, which corresponds to a daily rate of about 850 € 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, 67% hold at least a Master's degree, and 17% 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 2.1 years.

The most common languages among freelancers in Munich, Germany who have used CentOS in their recent projects are German (100%), English (86%), and French (14%).

The most common industries among freelancers in Munich, Germany who have used CentOS in their recent projects are Information Technology (100%), Government and Administration (71%), and Automotive (57%).

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 (86%).

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

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FRATCH CEO

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