IBM z/OS Experts in Munich
in minutes from over 15,000 CVs with the power of AI.Hire experts who keep IBM z/OS systems stable, secure, and ready for change. They support batch processing, CICS and Db2 workloads, RACF setup, JCL, and mainframe integrations, with fast, precise matching to vetted, available freelancers.
Meet FRATCH Experts in Munich, who have recently used IBM z/OS
Tezcan D.
Last position:
Solution Architect / Project Manager at German Football Association
- Overall responsibility for the project lifecycle from scope definition to completion
- Close collaboration with platform teams, IT leaders, and external service providers
- Application of SAFe principles and structured sprint work
- Creation of a migration roadmap with clear milestones
- Monitoring of the lifecycle: onboarding, repository migration, replication of permissions, and system tests
- Visualization of the architecture with PlantUML and Gliffy as well as documentation in Confluence
- Regular status reports and running knowledge transfer sessions
Birgit S.
Last position:
Business Analysis, Requirements Engineer at BMW
Refinement of epics and user stories to achieve a higher degree of automation in CRM usage. Testing of new Discountsystem
Sven H.
Last position:
Process Architect (Symbio, Signavio) at IT service provider for an international premium automaker
- Analyzing, aligning and modeling business processes (BPMN 2.0) for the 'The New Retail' program in the areas of invoicing, tax, customs and accounting
- Tracking user stories and their impact on processes
- Point of contact for preparing the tool migration from Symbio to Signavio for the mentioned areas
- Power user after the introduction of Signavio, point of contact and coach for other process modelers
Anton K.
Last position:
Head of Overall Technical Integration NSC / Hadoop Cloud Development at IABG
Head of overall technical integration NSC (National Secure Cloud, project with approx. 60 employees).
Technical integration of all subprojects into one product, definition of interfaces and basic components of a cloud including hardware, technical architecture of the IABG platform.
Development of a Cloud Management Platform (CMP) capable of creating private/mixed clouds of any complexity based on a textual description with one click or interactively.
CMP also includes the complete hardware management lifecycle.
Kubernetes, OpenStack and Hadoop are used as the foundation.
The management layer includes Harbor, Gitea, Longhorn, Keycloak, Rancher and Jenkins, which are configured automatically.
Private cloud can run any customer workloads, including a full Hadoop layer with HDFS, Spark, MapReduce, Mesos, HBase and around 20 additional ML/DL technologies.
Hadoop worker clusters can also be installed automatically without Kubernetes on bare metal or commodity hardware.
OpenStack with Nova, Neutron, Ironic, Swift, Cinder, Ceph.
Development of a Java application Rudi: SOAP, REST, containers, DB.
Technologies: Kubernetes (K3s, Rke2, Minikube, Harbor, Gitea, Jenkins, Longhorn, Keycloak, Rancher), OpenStack (Nova, Neutron, Keystone, Swift, Ceph, Cinder, Sahara, Magnum, Kayobe, Kolla, Bigrost, Ironic), Hadoop (HDFS, Ambari, Solr, Livy, Ranger, YARN, Tez, HBase, Kafka, Hive, Zookeeper, MapReduce, Spark, Oozie, Flink), virtualization (Kubernetes (K3S), VMware, Oracle), scripting (Ansible, Puppet, Juju, Shell, Groovy, Gradle, Maven).
Matthias S.
Last position:
IBM InfoSphere DataStage Senior Consultant at KKH (Kaufmännische Krankenkasse Hannover)
- Data migration from BVS to BITMARCK 21c|ng
- Test case creation; test execution and result analysis of the ETL processes
- Consulting on detailed planning and test execution
- Job review
- Development
- Documentation
- Error analysis & fixing / new development
- System environment: Windows 10; IBM InfoSphere DataStage 11.7.x; IBM DB2 z/OS; IBM DB2 LUW; PL/SQL; SQL; DBeaver 25.x; MS Office 365; Atlassian JIRA
Michael P.
Last position:
Setup Azure cloud, Java development, CI/CD pipelines at Sulzer GmbH
- Migration of a mainframe application (PL/1, zOS) to the cloud (Azure)
- Data transfer from z/OS (USS) to Azure storage (blob containers, file shares)
- Implementation of the mainframe job control in Java
- Mapping of job network dependencies in Control-M
- Performance analysis and optimization measures
- DB2 (z/OS) migration to Postgres (Azure)
- Technologies: Azure (storage, VM, VMSS, Postgres), z/OS (USS), DB2, Postgres, Packer, Terraform, Docker, Jenkins, GitHub Actions, Control-M
- Tools: Eclipse, Visual Studio Code, IntelliJ
Olga D.
Last position:
Software Developer (Freelancer) at Finanz Informatik Hannover
- Support and consulting for implementing ASF print components used to create PDF forms
- Technologies: DCF, ASF, DMS, SQL
- Development
- Documentation
- Program adjustments for ASF->FDVG migration
Discover over 15,000 top freelancers
Statistics of experts using IBM z/OS
Aggregated from the professional profiles of matched freelancers.
Experience
32 years
Position duration
1.9 years
Positions per freelancer
18
Top business areas
Information Technology, Business Intelligence, Quality Assurance
Top industries
Banking and Finance, Information Technology, Insurance
Certification focus areas
Information Technology, Human Resources, Operations
Bachelor's degree or higher
100%
Master's degree or higher
80%
Doctorate
20%
Certifications per freelancer
2
Most common languages
German, English, French
Speak two or more languages
100%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
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 IBM z/OS
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
IBM z/OS experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Banking and Finance (100%)
- Information Technology (100%)
- Insurance (86%)
- Automotive (71%)
- Manufacturing (57%)
- Energy (29%)
- Government and Administration (29%)
- Retail (29%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Core platform
IBM z/OS is the operating system for IBM mainframes. It runs the core workloads that keep large enterprises moving: transactions, batch jobs, data access, and system control. Many teams still know it simply as z/OS or as the mainframe operating system behind critical business processes.
Typical work
- Run and tune batch jobs and scheduling flows
- Support CICS, Db2, IMS, and other mainframe services
- Manage JCL, datasets, and system parameters
- Troubleshoot production issues and evening batch windows
These are the tasks companies bring in specialists for when reliability matters and change must be handled with care.
Ecosystem skills
Strong professionals around IBM z/OS usually work across the wider IBM stack, not just the operating system itself. They understand RACF security, SMP/E maintenance, z/OS Communications Server, storage concepts, and integration with COBOL, PL/I, Rexx, and modern interfaces.
When to bring help
Teams often look for freelance expertise during migrations, version upgrades, audits, incident recovery, or modernization work that must keep the mainframe live. In Munich, this is especially relevant for organizations with mainframe-heavy banking, insurance, logistics, and industrial environments that need careful coordination and clear documentation.
What strong experts do
A good specialist reads system logs quickly, understands dependencies across subsystems, and knows how to protect throughput while making changes. They document clearly, work well with operations and application teams, and can explain risks in plain language. They also know when a small fix is safer than a broad change.
Hiring signals
- You still depend on mainframe batch or transaction processing
- Change requests need low-risk execution on z/OS
- Security, storage, or performance problems need root-cause analysis
- You need help bridging old mainframe work and newer tools
That mix usually calls for a specialist who has worked with real production systems, not just a lab setup.
Frequently asked questions
Key details about IBM z/OS, drawn from the questions we get asked most.
IBM z/OS is used to run the core workloads on IBM mainframes. Companies rely on it for transaction processing, batch operations, security control, and access to large shared data stores. It is common in environments where uptime, auditability, and stable throughput matter.
z/OS is not the hardware itself. It is the operating system that runs on IBM mainframes and manages the system services that applications use. People often say "mainframe" when they mean the whole platform, but z/OS is the software layer.
A company usually brings in IBM z/OS expertise for upgrades, incident recovery, performance tuning, security work, or modernization projects. Freelancers are also useful when internal teams need temporary support on JCL, batch scheduling, Db2, CICS, or system administration tasks. The best time is before a change reaches production.
A strong z/OS specialist often knows JCL, RACF, Db2, CICS, SMP/E, Rexx, and basic storage and networking concepts. Many projects also need comfort with COBOL, PL/I, and integration tools that connect mainframe workloads to newer systems. Clear documentation skills matter just as much.
IBM z/OS is built for high-volume transactional and batch workloads on IBM mainframes, while Linux and Windows are general-purpose operating systems. The main difference is the way z/OS handles reliability, workload management, and legacy enterprise integration. It is often chosen where existing mainframe systems already carry critical business data.
Most IBM z/OS projects need someone who has worked on live systems, not only studied the basics. The exact depth depends on the task: a dataset issue may need one kind of specialist, while a migration or security review needs broader system knowledge. Complex work benefits from people who have seen production failures before.
Many IBM z/OS tasks can be done remotely if access, approvals, and communication are set up well. On-site work can help during cutovers, incident handling, or when teams need close coordination with operations. In Munich, hybrid collaboration is common when the mainframe supports regulated or business-critical systems.
Look for someone who explains system impact clearly, asks about dependencies, and has handled similar production issues before. A strong IBM z/OS specialist will talk about batching, security, recovery, and change control in concrete terms. Good references from real mainframe environments are more useful than broad claims.
The average hourly rate of freelancers in Munich, Germany who have used IBM z/OS in their recent projects is 103 €, which corresponds to a daily rate of about 821 € based on an 8-hour working day.
Of the freelancers in Munich, Germany who have used IBM z/OS in their recent projects, 100% hold at least a Bachelor's degree, 80% hold at least a Master's degree, and 20% hold a doctorate.
On average, freelancers in Munich, Germany who have used IBM z/OS in their recent projects have 32 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Munich, Germany who have used IBM z/OS in their recent projects are German (100%), English (100%), and French (43%).
The most common industries among freelancers in Munich, Germany who have used IBM z/OS in their recent projects are Banking and Finance (100%), Information Technology (100%), and Insurance (86%).
The most common business areas among freelancers in Munich, Germany who have used IBM z/OS in their recent projects are Information Technology (100%), Business Intelligence (86%), and Quality Assurance (86%).
Main locations of FRATCH Experts, who have recently used IBM z/OS
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.
Countries:
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
