Mainframe Experts in Frankfurt
in minutes from over 15,000 CVs with the power of AIHire experts who keep mainframe estates stable, modernize COBOL and JCL workloads, and connect CICS, DB2, and batch processing with the right integrations. Fast, precise matching with vetted, available freelancers.
Meet FRATCH Experts in Frankfurt, who have recently used Mainframe
Günther Eufinger
Last position:
Senior Consultant at ISMS Rollout – Information Security Certification (ISO 27001)
- Built and successfully certified the Information Security Management System (ISMS) according to ISO 27001 in seven country organizations (Ghana, India, Bangladesh, Uzbekistan, Serbia, Kosovo, Albania).
- Full implementation of the ISMS from kick-off phase to certification, including defining the governance structure and process landscape.
- Developed and delivered target-group-specific trainings, workshops, and coaching sessions for local responsible persons on the basics of information security and ISMS operations.
- Designed and continuously improved training concepts and content to increase understanding and acceptance.
- Identified and implemented improvements in processes and tools, including risk management for international projects.
- Optimized central ISMS core processes from the idea through pilot operation and fine-tuning to global rollout.
- Optimized knowledge management, as well as work aids and methods for the global ISMS team.
- Built and moderated cross-functional coordination with key interfaces to the ISMS.
- Microsoft Teams, Excel, SharePoint Lists, Power Apps.
Jan Petrasch
Last position:
Operational Readiness / Migration Lead at Worldline
Migration of SEPA direct debits, credit transfers & card clearing to Worldline's internal platform as part of the outsourcing contract
Definition of the MIGR strategy
Mobilization of the community (300+ experts at client & Worldline)
Creation of the MIGR runbook (100+ workshops)
Close collaboration with upstream project streams: BUILD & TEST, as well as with the operating units
Set up of the governance framework, capacity management & reporting
100% of SEPA DD, CT & CC transaction traffic migrated (7 months)
~80 migrations carried out with a success rate of 70% ("first-time right")
Set up technical & manual production monitoring
Established a "fast-track" incident management process in the MIGR & hypercare phases
Set up 20+ exception handling processes
Conducted trainings
Implemented SLAs & billing
Khalid Safee
Last position:
IT Infrastructure Coordinator at SAFEE Technology
- GfK Data center IT Infrastructure project onsite coordinator (Equinix DC FR2/FR7) training FEs in Equinix DC Carla, FNT, Jira Confluence, ServiceNow (Change/Problem/Incident MGMT), DCIM, ITSM, ITIL
- Reporting significant incidents as the on-site technical coordinator and initial point of contact for vendor escort and smart hands
- Utilizing CMDB-GUI, NIQ-Browser, CMDB-Filtering-GUI, OSS-Radar, BigBrother, CheckMK, and TTWOS for 2nd and 3rd level troubleshooting support
- Maintaining MDF, IDF, computer rooms, and closets; coordinating with service desk, reception, and security for visitor access
- Managing asset lifecycle including operation, retirement, stocking, and destruction with proper SanDisk procedures
- Leading footprint data centre optimization and reduction in FR2/FR7; handling network, server, storage, desktop, hosting, IT security, video conferencing, and telephone operations
- Coordinating server relocations, fibre optics/copper cable preparations, CMDB updates, and stakeholder cooperation
- Implementing IT infrastructure design, maintenance, configuration, and construction following Dell/HP/Apple ESD safety precautions
- Single POC for change management network, Star Track, backup & storage, cloud, Linux, Windows, EUS teams & Software Centre installs
- Successfully completed DC Footprint Reduction Project 2021/2022 and GfK New Hardware DC Refresh Initiative
- Planning, configuring, and installing Dematic server rooms and switch configurations in Heusenstamm, Wurzburg, Kahl am Main, and Graz Austria
- Providing on-site media equipment setup for HP, hospitals, manufacturers, and laboratories
- Ensuring professional rack and cable management following best practices
- Maintaining up-to-date plant maps accessible to all teams showing technology space and spare locations
- Offering technical assistance for live events, town halls, forums, streaming, and hybrid events on and off campus
- Providing second level support for Poly video conferencing systems across multiple time zones
- Conducting frequent computer room walkthroughs, recording power, cooling, alarm, security threats, and mapping wireless environment and access points
Suneel Durgavajhala
Last position:
SAP Consultant & Developer at KS KeySolutions GmbH
- ABAP developments for rku.it GmbH, Agena GmbH, Koenig & Bauer AG, Salzgitter AG, duagon AG
- Redesigned material configuration data mass maintenance Fiori app for Siemens AG Engineering to resolve system resource issues
- Conducted S4Hana ABAP code remediation, ATC checks, and implemented ABAP parallel processing for Voestalpine AG
Leonid Ravin
Last position:
IT Business Analyst / Requirements Engineer at S-Payment GmbH / Sparkasse (DSV-Gruppe)
- Business analysis of payments for the introduction of Wero EPI in Germany.
- Analysis and optimization of merchant processes in the context of acquiring and issuing.
- Analysis of interfaces for instant payments.
- Analysis of SCT-Inst processes, settlement mechanisms and reporting processes.
- Identification and clarification of gaps in merchant processes.
- Analysis and documentation of clearing and settlement processes.
- OSPlus process analysis and documentation.
- Coordination and alignment with scheme management as well as various payment service providers and financial institutions on merchant processes.
- Preparation and follow-up as well as active participation in EPI meetings on technical coordination and regulatory topics in payments, including content familiarization and prioritization.
- Preparation and documentation of project and steering committees in the EPI environment.
- Creation of status reports for the subproject.
- Maintenance and structuring of Confluence pages for project documentation.
- Coordination and alignment with the issuing teams on individual customer processes as well as aligning with bank processes and acquirer processes in the Wero environment.
- Communication with payment service providers regarding merchant and bank processes in the Wero environment.
- Organizational support for project management in special tasks in the EPI and Wero environment.
- Digital filing and documentation in Confluence and Microsoft Teams.
- Planning, implementation and tracking of work packages and steps.
- Quality assurance and project control.
- Consulting on IT strategy, IT architecture and interface management in the EPI and Wero environment.
- Technical environment: Jira, Confluence, XML, JSON, MS Office (Word, Excel, Teams, PowerPoint), SharePoint, Draw.io, Innovator, 3rd-level support, ITIL, creation and updating of software documentation, interface management, OSPlus, Scrum, KYC, payment, European Payments Initiative (EPI), Wero, Microsoft Loop, Instant Payments, SCT-Inst.
Jörn Bottenhorn
Last position:
Project Management and PMO at TANKKARTEN | PAYMENT
- Close collaboration with development teams to ensure alignment with project goals
- Assessment of in-scope assets, requirements definition and support of the public tender process up to vendor selection
- Creation and maintenance of UML sequence diagrams to document system interactions
- Intensive use of Agile/Scrum methodology and the Spotify model
- Development and implementation of cutover and rehearsal plans together with the application managers
Rouven-Benjamin Timmann
Last position:
Operations Leader at VKB
- Operational management as well as functional and disciplinary leadership of around 34 employees (internal/external, national/international) with a budget responsibility of €2.5M
- Project management for the digital transmission of health insurance contributions
- Management of digitization projects (mainframe, CRM, databases, sales systems) with end-to-end responsibility
- Ensuring operational compliance, especially data protection and regulatory requirements
- Coordination of central interfaces between IT, procurement, finance, authorities, and customers
- Setting up and optimizing efficient organizational and governance structures
- Leading an agile team across nine operational areas
Andreas Schenk
Last position:
Project Management, Development and Test- (Defect-) Management at safarica.com
- Creation and implementation of a multilingual, relational MariaDB database to reflect the requirements of a booking system designed for safaris in Africa
- Testing the front- and backend functionality, registration of clients and suppliers, the editorial system and the payment workflow
- Defect management and documentation via BugHerd
- Implementation of an automatic internal deployment of deliveries provided by an external company via bash scripts
- Coordination of external companies in the function of a project manager (Stakeholder Management)
Torsten Bolte
Last position:
Program Manager Refactoring at Astadia (an Amdocs company)
- Lead all program and project management activities for assigned customers around Mainframe modernization offerings
- Project management of Astadia services for Mainframe to Cloud project with German Railway (DB Cargo) and for legal services in Italy
- Project manage execution of proof of concepts and assessments in Legal, Banking, Telecommunications and Automotive for customers globally
- Represent Astadia in delivery, planning, and review contexts
- Guide self-organizing agile development teams to improve structure and dependency management
- Evaluate risks and impediments to success and assist with roadmap and increment planning
- Establish and supervise metrics for key program work and present to leadership, portfolio management and partners
- Tools: Teams, M365, Office365, MS Office, MS Project, Jira, SharePoint, Confluence, Azure DevOps
Panagiotis Tsiantopoulos
Last position:
IT Manager at XCMG – XFL
- Gather basic requirements
- Plan the project
- Create RfP and tender
- Interview five vendors
- Review proposals and contracts
- Create a vendor shortlist based on hard facts (criteria catalog, price, licenses) and soft facts (quality of documents, software user experience, reputation and references)
- Support the initiation and RfP & vendor selection phases
- Plan the implementation & go-live and hypercare phases for 2025
Markus Grüll
Last position:
Master Candidate at Universidad de Málaga
- Final preparation for the defense to graduate with a Master's in Computer Science for the PhD
Stefan Faust
Last position:
Project Management – Telecommunications at 1&1 Versatel
- Set of concurrent projects (BSS/OSS related)
Discover over 15,000 top freelancers
Statistics of experts using Mainframe
Aggregated from the professional profiles of matched freelancers.
Experience
22 years (Germany: 29 years)
Position duration
1.6 years (Germany: 2.3 years)
Positions per freelancer
15 (Germany: 17)
Top business areas
Information Technology, Operations, Project Management
Top industries
Banking and Finance, Information Technology, Professional Services
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
70% (Germany: 72%)
Master's degree or higher
30% (Germany: 43%)
Doctorate
10% (Germany: 12%)
Certifications per freelancer
3
Most common languages
German, English, Spanish
Speak two or more languages
100% (Germany: 96%)
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 Frankfurt 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 Frankfurt using Mainframe
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
Mainframe work
Mainframe systems run the workloads that companies cannot afford to break. They support core processing, transaction handling, batch jobs, and data-heavy operations on IBM Z and z/OS environments. Strong specialists know how to keep these systems reliable while making them easier to change.
Common tasks
- Maintain COBOL, JCL, CICS, and DB2 solutions
- Review batch flows, job control, and scheduling
- Support incident analysis and production fixes
- Document changes for safe handovers and audits
Ecosystem
The mainframe ecosystem is broad and mature. It often includes z/OS, ISPF, SDSF, IMS, VSAM, RACF, and toolchains for testing, source control, and release management. Good professionals work across these components and understand how one change can affect many downstream jobs.
When to bring help
Companies usually bring in freelance expertise when a release is blocked, a legacy application needs cleanup, or an internal team lacks specific platform knowledge. In Frankfurt, this often matters for banks, insurers, and other enterprises with long-lived core systems that need careful change control and clear communication.
What strong experts do
Strong specialists read legacy code quickly, trace dependencies, and find the real impact of a change before it reaches production. They are careful with performance, security, and rollback planning. They also explain risks in plain language so business and technical teams can decide fast.
Collaboration
Remote work fits many mainframe tasks well, especially analysis, documentation, and code review. On-site presence can help during sensitive cutovers or when access rules are strict. In Frankfurt, clear English is often enough, but familiarity with German-speaking stakeholders can be useful in larger organizations.
Frequently asked questions
Key details about Mainframe, drawn from the questions we get asked most.
Mainframe is used for the core systems that process transactions, manage large batch workloads, and keep sensitive business data consistent. It is common in banking, insurance, travel, and public-sector environments where stability matters more than quick rebuilds. Many teams also use it to support long-lived applications that still do critical work every day.
Mainframe usually refers to the platform class, while IBM Z is the hardware family and z/OS is the operating system most people mean in practice. In searches, people also use IBM mainframe, z/OS, or simply mainframe when they need the same kind of specialist. A good freelancer understands how the hardware, operating system, and middleware fit together.
A strong Mainframe specialist should be comfortable with COBOL, JCL, CICS, DB2, and batch processing. Experience with VSAM, IMS, RACF, and job scheduling is also valuable. The best people can trace production issues across code, data, and operations, not just edit source files.
Mainframe projects usually need someone who has already worked in production environments and understands the consequences of small changes. For simple support tasks, a focused specialist may be enough. For modernization, migration, or risk-heavy changes, you want someone who has handled similar systems before.
Mainframe is not a replacement for cloud or Java systems, and those alternatives are often used alongside it. The mainframe is chosen for reliability, transaction integrity, and deep integration with existing core processes. A good specialist can help connect older workloads with newer services without forcing a risky rewrite.
Yes, Mainframe work is often remote-friendly because many tasks are analysis, coding, testing, and documentation. Still, some Frankfurt organizations prefer on-site work for access control, cutover support, or close coordination with internal teams. The right setup depends on the system, the security model, and the release process.
A strong Mainframe expert explains the impact of a change before making it, not after. Look for clear examples of incident handling, safe deployments, and work across batch, online, and data layers. Quality also shows in the questions they ask about dependencies, testing, and rollback.
Before taking a Mainframe assignment, freelancers should understand the target system, the release process, and the access rules. They should also ask which language the team uses for handovers and how production support is organized. In Frankfurt, clear communication with both technical and business stakeholders can matter as much as code.
The average hourly rate of freelancers in Frankfurt, Germany who have used Mainframe in their recent projects is 114 €, which corresponds to a daily rate of about 916 € based on an 8-hour working day.
Of the freelancers in Frankfurt, Germany who have used Mainframe in their recent projects, 70% hold at least a Bachelor's degree, 30% hold at least a Master's degree, and 10% hold a doctorate.
On average, freelancers in Frankfurt, Germany who have used Mainframe in their recent projects have 22 years of professional experience, with a single engagement typically lasting around 1.6 years.
The most common languages among freelancers in Frankfurt, Germany who have used Mainframe in their recent projects are German (100%), English (100%), and Spanish (25%).
The most common industries among freelancers in Frankfurt, Germany who have used Mainframe in their recent projects are Banking and Finance (83%), Information Technology (83%), and Professional Services (58%).
The most common business areas among freelancers in Frankfurt, Germany who have used Mainframe in their recent projects are Information Technology (100%), Operations (100%), and Project Management (100%).
Main locations of FRATCH Experts, who have recently used Mainframe
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 
Hamburg 
Munich 
Dusseldorf Request a free demo
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Philipp Thomaschewski
FRATCH CEO
