CentOS Experts in Berlin
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Meet FRATCH Experts in Berlin, who have recently used CentOS
Rüdiger S.
Last position:
Full-Stack Software Engineer / Consultant for Digitalization at ARTEVENT
Designed, built, and launched an internal event planning web application used by over 100 department leads for a large event, despite having no dedicated testing phase.
Ensured smooth, failure-free operation during first production use, leading to the tool being adopted for future events.
Automated catering calculations and related workflows, significantly reducing email communication and manual computation effort for meal planning.
Managed deployment and hosting on a Linux server using Coolify, including application setup and runtime operations.
Hired and guided a communication designer on UX while independently owning all technical decisions and implementation.
Alexandro L.
Last position:
Senior Project Manager - RIS & PACS Replacement
- Replacing an RIS and PACS system in combination with three different software solutions, with a focus on redesigning and further developing existing processes.
- Ensuring that the individual solutions work together and are integrated into an overall solution to optimally support medical professionals in their daily work.
- Overall project management, including managing three service providers.
- Use of technologies and solutions such as RIS, PACS, Smart Reporting and artificial intelligence.
- Leading the RIS & PACS replacement at a hospital.
- Supporting the communications strategy.
- Coordinating external and internal resources.
- Stakeholder management.
- Managing steering committees.
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.
Frank B.
Last position:
Software Engineer at Freelancer
- Freelance Software Engineer with a focus on backend (Python/Django) and frontend (VueJS).
Florian R.
Last position:
Network Administrator at Smartconnect Berlin
- Configuration and management of routers and switches (e.g., Cisco, HP)
- Design and expansion of networks in corporate environments
- WLAN site surveys and optimization (e.g., with Ekahau, NetSpot)
- Implementation of security policies and access controls
Pawel N.
Last position:
Subject Mater Expert Linux at TCS Alliance Healthcare
- Updating/upgrading Linux servers to new versions
- Installing Trend Micro on Linux servers
- Creating, presenting and maintaining technical documents
- Refactoring tools
- Platforms: SUSE Linux Enterprise Server (SLES) 10, 11, CentOS, RedHat, Windows 10, PowerShell, Bash, Perl, Trend Micro AV, PuTTY, SSH, VMware
- Project language: English
Eric N.
Last position:
Data Engineer at Creditsafe Deutschland GmbH
Discover over 15,000 top freelancers
Statistics of experts using CentOS
Aggregated from the professional profiles of matched freelancers.
Experience
25 years (Germany: 22 years)
Position duration
3.3 years
Positions per freelancer
20 (Germany: 14)
Top business areas
Information Technology, Operations, Product Development
Top industries
Information Technology, Healthcare, Telecommunication
Certification focus areas
Information Technology, Business Intelligence, Human Resources
Bachelor's degree or higher
80% (Germany: 79%)
Master's degree or higher
60% (Germany: 49%)
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
100% (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 Berlin 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 Berlin 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%)
- Healthcare (57%)
- Telecommunication (57%)
- Automotive (43%)
- Banking and Finance (43%)
- Professional Services (43%)
- Aerospace and Defense (29%)
- Energy (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
CentOS foundations
CentOS is a Linux distribution built from the sources of Red Hat Enterprise Linux. CentOS Linux was widely used for stable servers, web hosting, databases and internal infrastructure. CentOS Stream provides a rolling view of what is expected in the next Red Hat Enterprise Linux update, making it useful for testing and development workflows.
Systems and workloads
CentOS specialists support the operating system from installation through long-term maintenance. They configure web servers, reverse proxies, application runtimes, databases, storage and monitoring services. The technology appears in enterprise platforms, hosting environments, research systems and industrial applications that require controlled Linux operations.
Ecosystem and tooling
A strong CentOS professional works across the surrounding Red Hat ecosystem and common Linux tooling. Relevant capabilities include:
- Package management with RPM and DNF or YUM
- SELinux policies, firewalld and systemd services
- Ansible automation, Bash scripting and Git workflows
- Apache HTTP Server, Nginx, PostgreSQL and container runtimes
- Monitoring, logging, backups and infrastructure documentation
When to bring in experts
Companies often need freelance expertise during migrations, security reviews, infrastructure rebuilds or incidents. A specialist can assess an existing CentOS Linux estate, plan a move to CentOS Stream or another supported distribution, and reduce operational risk without disrupting critical services. Berlin teams can combine remote delivery with on-site workshops when systems or stakeholders require local collaboration.
Delivery and operations
CentOS work is rarely limited to installing an operating system. Professionals define server baselines, harden access, manage repositories, automate repeatable changes and create recovery procedures. They also connect Linux hosts to identity services, cloud environments, virtualization layers, CI pipelines and observability tools so that operations remain consistent after handover.
Signs of quality
The strongest specialists explain trade-offs clearly and verify changes in a safe environment before production rollout. Look for practical evidence of:
- Secure configuration and least-privilege access
- Tested automation and reproducible server builds
- Clear migration plans with rollback options
- Useful runbooks, alerts and operational handover
- Experience collaborating with security, development and infrastructure teams
They should also distinguish CentOS Linux from CentOS Stream and understand when Red Hat Enterprise Linux, Rocky Linux or AlmaLinux may be a better fit. That judgment matters as much as command-line knowledge.
Frequently asked questions
Need clarity? These are the questions we hear most often about CentOS.
CentOS is used for Linux servers, web hosting, databases, internal applications, virtualization and infrastructure services. Companies value its compatibility with the Red Hat ecosystem and its familiar administration model.
CentOS has a different position today from Rocky Linux and AlmaLinux. CentOS Stream tracks development ahead of Red Hat Enterprise Linux, while Rocky Linux and AlmaLinux aim to provide compatible enterprise-style server environments; the right choice depends on support, lifecycle and workload requirements.
A strong CentOS specialist usually brings skills in Ansible, Bash, networking, storage, SELinux, firewalld, systemd and monitoring. Experience with cloud services, containers, virtualization and security operations is also valuable.
The required depth depends on the work. CentOS Linux maintenance may need solid system administration skills, while migrations, kernel issues, security hardening or high-availability environments call for a specialist who has handled comparable production risks.
Yes. CentOS administration, automation, documentation and many migrations can be completed remotely with secure access and clear change controls. On-site collaboration in Berlin can still help with hardware, private networks, workshops or complex stakeholder coordination.
Ask how the professional approaches backups, access control, repository management, testing and rollback. A capable CentOS freelancer should provide clear documentation, explain operational risks and show how changes will be validated before production use.
CentOS Stream can suit production workloads when its update position and support model align with the organization’s risk tolerance. A specialist should review application compatibility, patching procedures and the available support options before recommending it.
A CentOS migration starts with an inventory of services, repositories, dependencies, configurations and recovery options. The specialist then selects a target distribution or release, tests workloads, plans data transfer, validates security controls and schedules a controlled cutover.
The average hourly rate of freelancers in Berlin, Germany who have used CentOS in their recent projects is 103 €, which corresponds to a daily rate of about 825 € based on an 8-hour working day.
Of the freelancers in Berlin, Germany who have used CentOS in their recent projects, 80% hold at least a Bachelor's degree and 60% hold at least a Master's degree.
On average, freelancers in Berlin, Germany who have used CentOS in their recent projects have 25 years of professional experience, with a single engagement typically lasting around 3.3 years.
The most common languages among freelancers in Berlin, Germany who have used CentOS in their recent projects are German (100%), English (100%), and French (29%).
The most common industries among freelancers in Berlin, Germany who have used CentOS in their recent projects are Information Technology (100%), Healthcare (57%), and Telecommunication (57%).
The most common business areas among freelancers in Berlin, Germany who have used CentOS in their recent projects are Information Technology (100%), Operations (71%), and Product Development (71%).
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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Philipp Thomaschewski
FRATCH CEO
