Red Hat Enterprise Linux Experts in Germany
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Meet FRATCH Experts in Germany, who have recently used Red Hat Enterprise Linux
Khalid El Mansouri
Last position:
Lead Architect & Developer at kem-consulting
Development of an agent-based governance platform for the automated assurance of EU AI Act compliance and ODA-compliant orchestration of AI services in complex enterprise environments.
Design and implementation of an agent-based "Mission Control" framework (Aletheia Conductor) for autonomous state monitoring and process control.
Development of "Compliance-as-Code" (CaC) solutions based on OPA/Rego for system-wide enforcement of regulatory guardrails.
Integration of TM Forum ODA standards (TMF630, TMF622, TMF642) to ensure interoperability and standardization.
Building a highly available event-driven architecture using Redpanda and CloudEvents v1.0 for near-real-time event processing.
Implementation of an audit-proof "Evidence Chain" through cryptographic linking of trace logs in preparation for automated audits.
Tech Stack: Java 21 (Quarkus Native), TypeScript (Next.js), Redpanda (Kafka API), CloudEvents v1.0, OPA (Open Policy Agent) & Rego, TimescaleDB, ZincSearch, Redis, TM Forum ODA, Git, GitHub, Clean Code Development, Like-C4.
Waseem Sattar
Last position:
Solution Architect / Subject Matter Expert at FRMCS terminal device manufacturer
Participation in the EU-funded MORANE-2 project to validate the Future Railway Mobile Communication System (FRMCS) in real-life use cases: creation of the requirement specifications for TOBA as well as the associated test specifications.
Technologies: 5GS (Radio & Core), FRMCS, MCx (MCPTT, MCData, MCVideo), MC Gateway UE, MCx Priority/Security/QoS Management, ETCS, SIP, IMS
Robert Karash
Last position:
Interim Manager | Group Leader in the IT Operations & Digitalization Division "Databases, Operations & Support" (DOS) at Landwirtschaftliche RentenBank
- Technical leadership and further development of a team of 28 IT staff (internal & external) in the areas HelpDesk/HelpLine, RHEL (Red Hat), MUREX (trading system & applications), SAP basis operations
- Managing external service providers (including FI-TS for SAP basis operations)
- Personnel, resource and budget planning for the IT department and projects
- Introducing and establishing regular communication formats (weekly status meetings, team and cross-department meetings)
- Ensuring application operations in a hybrid environment (Windows/Linux with database and web/application servers)
- Supporting transformation projects to modernize the application landscape (e.g. DevOps approaches)
- Setting up and implementing a digital IT procurement for hardware & software (e.g. with DELL)
- Developing and managing the "IT Operations DOS" department based on corporate strategy
- Preparing management reports & decision papers on IT projects, optimization potential and automation opportunities
- Representing the department in the advisory boards of the Rentenbank and ensuring regulatory compliance (BaFin §44, GDPR, BSI, MaRisk)
Ljubomir Obrenovic
Last position:
Senior Software Test Engineer at Keil KTM GmbH
Temporary employment
- System black-box integration tests (BBIT, IVVQ): Execution of regression, release, acceptance, and compliance tests for safety-critical brake control units in the rail industry
- Software test application & integration: Runtime configuration of software components and libraries, validation of interfaces, configuration dependencies, and component interactions
- Test automation (FEAT framework): Co-development and further development of an automated test framework for test execution, reporting, and result analysis
- Functional safety (SiL4, FuSi): Ensuring compliance with safety requirements, traceability and coverage, as well as standards compliance according to EN50126/28/29
- Test automation for communication components: Configuration and validation of fieldbus (CAN) and Ethernet-based TCMS data communication interfaces (TRDP and CIP)
- Requirements analysis & shift-left (PTC Windchill ALM): Analysis of software and system artifacts to identify gaps, ambiguities, and redundancies early in the SDLC
- Test design & test case development: Derivation of test conditions, coverage strategies, and implementation of data-driven test cases (DDT), including reusable test data fixtures
- CI/CD & automation (Python, PowerShell, Jenkins, SVN): Automation of build, test, and HIL deployment processes as well as integration into CI/CD pipelines
- Test data & configuration management (XML): Maintenance and adaptation of XML test vectors and system configurations with automated integration into test environments
- Non-functional testing: Execution of performance and load tests to assess stability and system behavior
- Agile development & defect management (JIRA, Confluence): Participation in Scrum teams, test coordination, review of test artifacts, as well as defect tracking and root-cause analysis
- Error analysis & debugging (CANoe, CANalyzer): Analysis of errors and message flows across multiple system layers (application to bus)
- Model-based analysis (UML, Enterprise Architect): Specification of SUT/SOW and support for systematic test control
- Process & test documentation: Creation of integration and test documentation according to internal quality and certification requirements
Alexander Zhirov
Last position:
Senior Data Solutions Engineer at VMware Inc.
- Architected and deployed private cloud data platform on VMware vSphere, integrating Greenplum MPP, Apache Kafka, Kubernetes, and Apache Solr, and developed real-time ingestion pipelines with Kafka Connect and Schema Registry.
- Led Oracle Exadata to Greenplum migration, rearchitected data models, optimized storage, implemented RabbitMQ with Debezium for CDC, and deployed VectorDB for Generative AI.
- Designed and executed multi-cloud migration PoC across AWS, Azure, and GCP, defined KPIs for throughput, latency, and cost efficiency, executed bulk data transfers, validated analytics and streaming workloads, and delivered full-scale architecture recommendations.
- Assessed legacy on-premises infrastructure and designed modern cloud-native data platforms using Greenplum and containerized microservices, advising on scalability, disaster recovery, and high-availability.
Kai Pankatz
Last position:
Oracle Project Management and DBA at Scope Solutions AG
- Installation, maintenance and regular upgrade of the DB systems with 19x
- Use of OPatch and RU 19.27 on RHEL 8x, SLES 15.x and Windows
- DBA for DACH and European customers in production and last test environments (e.g. Konrad Adenauer) as well as others in CDB
- Processes via Confluence
- Support in operations for customers SR via Metalink
Matthias Weiss
Last position:
DevOps Engineer at Interhyp AG
- Infrastructure management with Puppet and Terraform for consistent environments
- Maintenance and adaptation of Terraform scripts for Azure cloud deployment
- Migration of database systems and services to the Azure cloud
- Introduction of GitOps with ArgoCD for fully automated deployments
- Adaptation and development of GitHub pipelines for CI/CD workflows
- Creation of Helm Charts for standardized deployments
- Migration of repositories from Bitbucket to GitHub
- Operation and performance optimization of an Oracle 19c grid cluster (RAC, Dataguard)
- Setup and management of MongoDB instances (on-premise and Azure Kubernetes)
- Setup of PostgreSQL clusters in on-premise and Azure Kubernetes environments
- Migration of services, master data, and stored procedures from Oracle to PostgreSQL
- Troubleshooting and performance tuning of complex data infrastructures
- Installation, configuration, and upgrade of Tableau in the productive BI environment
- Development of sanity checks to monitor business processes and application logic
- Adaptation of the backup and recovery strategy to new requirements
- Carrying out disaster recovery and point-in-time recovery
- Technologies used: Oracle 19c RAC Grid Dataguard, PostgreSQL 16, MongoDB, MySQL Cluster, Kubernetes (Azure), Tableau, Puppet, Terraform, ArgoCD, GitHub/Bitbucket, CheckMK, Prometheus, Grafana, Icinga2, Ubuntu/RHEL
Victor Omojoye
Last position:
AI Training Engineer at Confidential AI Research Client
- Codebase Evaluation & Problem Design: Designed and stress-tested complex software engineering problems against large open-source Python codebases (including pandas), requiring deep context acquisition and architectural understanding to produce well-scoped, realistic problem statements aligned to strict correctness guidelines.
- Agent Failure Analysis: Assessed LLM coding agent solutions for correctness and completeness, identifying meaningful failures across edge case handling, dtype behaviour, and multi-column NaN propagation logic; documented findings with precision for downstream evaluation use.
- Programmatic Test Suite Development: Authored comprehensive pytest suites to programmatically verify agent-generated solutions against defined requirements, with deliberate coverage of boundary conditions and failure modes not caught by naive implementations.
- Containerised Environment Engineering: Built and debugged Docker environments for reproducible agent execution, including git-based repository provisioning, dependency pinning with npm ci, and multi-stage Dockerfile authoring across Linux-based containers.
Christian Wonneberger
Last position:
Software Engineer, cross-platform Application Manager at International major bank
- Creating interfaces between the legacy platform and the new container solution
- Coordinating required contributions from line units
- Moderating regular status meetings with the software vendor
- Minimally invasive conversion of TWS scheduling from the old to the new platform
- Environment: IBM Mainframe, DB2, CICS, MQ, Red Hat Linux, Oracle, Kubernetes, Kafka, Helm, GitLab, Jenkins
Marko Oršolić
Last position:
System Administrator in a 6-person Team at FITS
- System administration of FreeBSD 11, 12 and 13.1 in a secure cloud software solution
- Administration of proxy servers for FITS and its clients, banks and state banks
- Administration of secure internet solutions
- Administration of secure mail solutions and mail gateways
- Administration of Apache 2.4 web servers
- Planning and maintenance of servers and network components in FNT Command
- Incident, change and ticket handling, especially troubleshooting network issues using Splunk and ARS
- Troubleshooting and log file analysis using Splunk Enterprise
- Monitoring with Nagios
- Ordering, provisioning and installation of certificates on Apache web servers, Nginx web servers and load balancers
- Hardware: HP ProLiant DL380 Gen 9 and 10, Cisco Catalyst
- Software: FreeBSD 11, 12 and 13.2, FNT Command, shell scripts, MySQL databases, ServiceNow, ARS, Splunk Enterprise 8.15
Olaf Radicke
Last position:
DevOps Architect / Consultant at Authority with increased security requirements
- Identification of requirements (legal, organizational, and technical)
- Design of solution architectures
- Evaluation of concepts and technologies
- Preparation of decision templates
- Architectural Decision Records (ADR)
- Coordination of implementation
- Review of implementations
- Documentation
Ibrahim Bayramov
Last position:
Senior Mainframe Developer at Tata Consultancy Services Deutschland GmbH
- Development and maintenance of business-critical COBOL applications in the IBM z/OS mainframe environment
- Carrying out database changes and updates on DB2 for z/OS
- Handling incident, problem, and change management in a production-critical environment using ServiceNow
- Carrying out and supporting load tests, performance tests, and pre-production tests to stabilize business-critical mainframe systems
- Using mainframe tools such as ISPF, TSO, SDSF, XINFO, as well as job control via UC4 / Automic
- Development and integration of Java-based services and API-related components
- Working in agile project teams (Scrum/Kanban), including using Jira and Confluence for backlog, change, and documentation management
Daniel Knirsch
Last position:
Project planning and implementation of a 95 kWp PV system at Asset management company
- Analysis of technical and economic feasibility
- Creation of a detailed project plan including time and resource management
- Requesting and evaluating offers, selecting components, and managing suppliers
- Coordination of all involved trades (e.g. electricians, installation companies)
- Monitoring the construction work and ensuring deadlines, budgets, and quality standards are met
- Acceptance and commissioning of the PV system including documentation
- After project completion: optimizing monitoring and supporting grid connection
Stefan Marx
Last position:
Bundesrechtsanwaltskammer
- Design, planning and execution of complex acceptance tests for a document exchange platform for the German justice authorities.
- Validation of decrypted and certificate-based message exchange via web platform, mobile app, and Java API.
- Documentation of test cases, execution steps, and test results.
- Technologies: Windows 11/10, Ubuntu, iOS, Android, Bash for Windows, Java 17, IntelliJ, Git, Jira, Confluence, Citrix Server, xJustiz standard implementation, specific justice software.
Vitaliy Ryumshyn
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.
Discover over 15,000 top freelancers
Statistics of experts using Red Hat Enterprise Linux
Aggregated from the professional profiles of matched freelancers.
Experience
22 years
Position duration
3 years
Positions per freelancer
18
Top business areas
Information Technology, Operations, Project Management
Top industries
Information Technology, Banking and Finance, Government and Administration
Certification focus areas
Information Technology, Project Management, Operations
Bachelor's degree or higher
77%
Master's degree or higher
52%
Doctorate
5%
Certifications per freelancer
4
Most common languages
German, English, French
Speak two or more languages
98%
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 Germany 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 Germany using Red Hat Enterprise Linux
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
RHEL in practice
Red Hat Enterprise Linux, often called RHEL, is the enterprise Linux distribution many companies use for stable servers, secure workloads, and long-lived production systems. It is common in virtualized estates, private cloud setups, and regulated environments where predictable support matters.
Typical work
- Install and standardize RHEL servers
- Plan upgrades, patching, and lifecycle steps
- Configure SELinux, firewalld, and system services
- Troubleshoot boot, storage, and network issues
- Support automation with Ansible and shell scripts
Ecosystem skills
Strong professionals know the RHEL toolset and the systems around it. That usually includes subscription management, repositories, RPM packages, systemd, logging, storage, and identity integration with LDAP or Active Directory. Many also work with Satellite, virtualization, and cloud images.
When to bring help
Companies bring in freelance expertise when a release upgrade is risky, a server estate needs cleanup, or production incidents keep repeating. In Germany, this often comes up in industrial IT, finance, logistics, and enterprise infrastructure teams that need steady collaboration and clear documentation.
What good experts do
Good RHEL specialists work methodically. They document changes, check compatibility before upgrades, and leave systems easy to operate after handover. They also understand how to balance security hardening with availability and application needs.
Remote or on site
- Remote support for patching, automation, and troubleshooting
- On-site work for datacenter access, migrations, and recovery tasks
- Clear communication with ops, security, and application teams
The best fit is someone who can work across both Linux operations and the business context around the server estate.
Frequently asked questions
Quick answers to the questions that come up most around Red Hat Enterprise Linux.
Red Hat Enterprise Linux is used for stable server workloads, internal business applications, databases, and other systems that need long support and controlled change. Companies choose it when they want predictable operations, strong security controls, and a standard Linux base for production.
RHEL is often compared with Rocky Linux, AlmaLinux, and SUSE Linux Enterprise Server. The main difference is its vendor support model, ecosystem tools, and the way many enterprises standardize on subscriptions, lifecycle management, and certified software stacks.
A strong Red Hat Enterprise Linux specialist usually understands shell scripting, systemd, SELinux, networking, storage, and RPM-based package management. In many projects, Ansible, virtualization, and integration with LDAP or Active Directory are also important.
A small hardening or troubleshooting task may need a focused RHEL expert, while upgrades, migrations, or fleet standardization need broader experience. The key is practical work on production systems, not just general Linux knowledge.
Most RHEL tasks can be handled remotely, especially patching, automation, incident analysis, and documentation. On-site work is useful when physical server access, datacenter coordination, or recovery during a critical outage is required, including in German enterprise environments.
Look for clear change planning, careful testing, and strong rollback habits from the Red Hat Enterprise Linux professional. Good specialists explain trade-offs, write clean handover notes, and show they can keep systems secure without breaking operations.
The most common RHEL tasks are upgrades, patching, server hardening, package management, user and access setup, and service troubleshooting. In larger estates, automation, compliance checks, and standard image creation are also frequent deliverables.
A company usually needs Red Hat Enterprise Linux help urgently when a failed update, storage issue, or security change affects production. It is also common before a major migration or audit, when the team needs someone who can step in quickly and stabilize the environment.
The average hourly rate of freelancers in Germany who have used Red Hat Enterprise Linux in their recent projects is 100 €, which corresponds to a daily rate of about 802 € based on an 8-hour working day.
Of the freelancers in Germany who have used Red Hat Enterprise Linux in their recent projects, 77% hold at least a Bachelor's degree, 52% hold at least a Master's degree, and 5% hold a doctorate.
On average, freelancers in Germany who have used Red Hat Enterprise Linux in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 3 years.
The most common languages among freelancers in Germany who have used Red Hat Enterprise Linux in their recent projects are German (100%), English (98%), and French (23%).
The most common industries among freelancers in Germany who have used Red Hat Enterprise Linux in their recent projects are Information Technology (96%), Banking and Finance (71%), and Government and Administration (50%).
The most common business areas among freelancers in Germany who have used Red Hat Enterprise Linux in their recent projects are Information Technology (100%), Operations (76%), and Project Management (76%).
Main locations of FRATCH Experts, who have recently used Red Hat Enterprise Linux
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 
Munich 
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Philipp Thomaschewski
FRATCH CEO
