Jürgen Schoemaker - Mainframe Systems Analyst and Developer

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Erkrath, Germany

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Experience

Jul 2021 - Mar 2024

2 years 9 months

Wolfsburg, Germany

IT – Consultant / Analyst / Developer / Tester / Support

Automotive manufacturer

Analysis, software development/adaptation and testing of various transaction and batch objects
Execution of specialist integration and regression tests on TEST and QA platforms under z/OS for subsequent implementation in production
Hardware / software / tools: IBM-MVS, z/OS, JES2/3, TSO-ISPF, JCL, DB2, SQL, SQL/PL, QMF, QMF for Work-Stations, SPUFI, FileAid, IMS-DB/DC, MFS, XPEDITER, COBOL, REXX, Windows-10, MS-Office-365, MS-Teams, batch job management via OPC, BETA92, RVS, BVB, ABL, DIALOGplus, PROBA, PRODPR (VW internal systems), JIRA, CONFLUENCE

Apr 2019 - Dec 2019

9 months

Düsseldorf, Germany

IT – Consultant / Analyst / Developer

Insurance company

Analysis of the business functions of the KMB modules as part of replacing Di-Org with EOS and ICM
Execution of impact analyses for relevant KMB modules, including business and system-specific adaptations
Hardware / software / tools: z/OS, TSO-ISPF, IMS-DC, CICS, JCL, REXX, OPC, DB2, SQL, MQ-SERIES, ENDEVOR, COBOL, XML, MS-OFFICE, VISIO, ROCHADE, WIKI, HP-ALM, IBM-Debug Tool, company-specific tools (ATV, EKS, VKS, SHAREPOINT, CONFLUENCE)

Feb 2018 - Dec 2018

11 months

Oberursel, Germany

IT – Consultant / Analyst / Developer / Tester

Tour operator

Transaction-oriented processing of the internal reservation and booking system for all European travel applications
New design and implementation of the Fraud Booking Blacklist subproject for identifying, canceling and logging fraudulent bookings
Hardware / software / tools: z/OS, TSO-ISPF, IMS-DC, CICS, JCL, REXX, OPC, DB2, SQL, MQ-SERIES, ENDEVOR, BETA92, COBOL, XPEDITER, XML, MS-OFFICE, VISIO, KANBAN

Feb 2017 - Dec 2017

11 months

Hamburg, Germany

IT – Consultant / Analyst / Developer / Tester

Insurance company

Analysis, design, specification and creation of a standardized data platform under z/OS in the form of a relational DB2 database for the ETL process to develop a customer app
Extraction, transformation and loading (ETL) of relevant customer and contract data from various specialist department systems using interfaces and unloads/loads
Development according to Agile/Scrum with JIRA
Hardware / software / tools: z/OS, DB2, IMS, COBOL, TSO-ISPF, JCL, MS-OFFICE, VISIO, CHANGEMAN, TWC-OPC, ZGen, ERM, Wiki

Jun 2011 - Jan 2017

5 years 8 months

Wolfsburg, Germany

IT – Consultant / Analyst / Developer / Tester / Support

Automotive manufacturer

Disposition release and parts usage record: analysis, development, adaptation and testing of transaction and batch programs with multi-client capability for VW and MAN
Bill of materials schedule recording online: adaptation and testing of transaction and batch programs, conversion from logical to physical IMS-DB objects
Product hierarchy: insertion and restructuring of platform classes and testing
Central file for equipment and machinery: analysis, application support, adaptation and redevelopment of programs and stored procedures
Sales model description: analysis, support, adaptation and migration from IMS to DB2 including UNICODE
Integrated vehicle order control: second-level support for web application with DB2 backend
Communication for invoice post-processing: second- and third-level support via HP-Service-Center including test management
Hardware / software / tools: IBM-MVS, z/OS, JES2/3, TSO-ISPF, JCL, DB2, SQL, SQL/PL, QMF, SPUFI, FileAid, IMS-DB/DC, MFS, XPEDITER, COBOL, CLIST, Windows XP/7, MS-Office-2010, OPC, BETA92, RVS, BVB, ABL, DIALOGplus, PROBA, PRODPR, HP-Service-Center, TSO/ISPF-Dialog-Manager

Jan 2011 - Mar 2011

3 months

Dresden, Germany

IT Consultant / Tester

Service Provider

Testing the user interface and functionality of business and commercial customer portals for Deutsche Post AG
Creating, executing, and documenting test cases and scenarios based on use cases via HP Quality Center
Recording defects in the Bugzilla tracking system and performing follow-up and regression tests
Hardware / Software / Tools: HPQC, Bugzilla, HTTP, S-HTTP, SMTP, SFTP, WLAN, LAN, Tomcat, JBoss, WinSCP, Jabber, SQC-Developer, PuTTY, LDAP, Wiki, Windows XP/7

Aug 2010 - Sep 2010

2 months

Düsseldorf, Germany

IT Consultant / Analyst

Software Company

Analyzing and correcting program errors in the European ABREchungs-System (batch) as part of the conversion from DCF Reports to XML Reporting
Implementing system-relevant modifications to VSAM files
Hardware / Software / Tools: IBM-VM, VSE/ESA, CMS, XEDIT, JCL, COBOL, VSAM, XML, DCF, MS-Windows XP/7, MS-Office, XMLPad, PSPad, SPF/PC

Sep 2008 - Dec 2008

4 months

Bonn, Germany

IT Consultant / Analyst

Public Service

Bundeswehr depot maintenance and planning: Performing and documenting QM/QS activities in the Budgeting/Budget Load tool
IT support for the army units using the systems: Preliminary analysis for converting ISAM files to DB2, including data modeling and system-side modifications
Hardware / Software / Tools: IBM-MVS, z/OS, JES2, TSO-ISPF, JCL, DB2, SQL, QMF, QBE, SPUFI, PL/1, IBM-8100/DPPX, FileAid, IMS-DB/DC, MFS, SP2, FormPrint, ODBC, MS-Windows 2000/XP, MS-Office, Lotus Notes, V-Modell XT

Sep 1989 - May 2008

18 years 9 months

Cologne, Germany

IT Consultant / Analyst / Developer / Tester / Support

Automotive Manufacturer

ECDB European Currency Data Base: Creating interfaces and online/batch programs for master data maintenance
TMS Treasury Management System: Enhancing existing online transactions
NEWPAC: Developing a standardized European packaging system for dialog and batch operation
EXTRAC: Enhancing a special transport system with new online interfaces and batch interfaces to GAPS, creating a manual, and performing an evaluation using the Function-Point method
ORANGE VISTEON: Separating relevant applications for FORD and VISTEON, including data and function modifications
MITCOS: Maintaining and developing transaction-oriented application software, performance analyses, and Function-Point evaluations
IMCS: Developing interfaces for processing Self-Billing-Invoices in dialog mode
EUROPUCS: Developing a billing system for fuel cards
EWOS: Enhancing and optimizing the dialog and batch system
CYMCAS: Maintaining existing application software
PFEP/FPS: Developing a logistics system for vehicle parts and connecting a Data Warehouse
CDS: Ford Facing Legacy Distribution System Europe and eBRF/BCM Integration neuer Dealer
Marketing and Sales Systems: VMACS, VOPS, ORBIT – integrating non-European processes
EUROVAC: Developing interfaces for new European markets
SOX und SCRP Compliance seit 2005
Hardware / Software / Tools: IBM-MVS, z/OS, S/390, JES2/3, TSO-ISPF, JCL, DB2, SQL, QMF, SPUFI, FileAid, IMS-DB/DC, MFS, XPEDITER, BTS, COBOL, REXX, CLIST, EDI/XLATE, BCM, TELON, BDT, FTP, LMS, MCP, ASI, Oracle, PL/SQL, TOAD, Remedy, Test-Director, eTracker, OS/2, XDB, IMS-PC, SELCOPY, MS-Windows, MS-Office, Ultra-Edit, Visio, Pagemaker, Designer, OPC, ZEKE, CA7/11, Ford-Mailbox-Systeme, MQ-Series

Jan 1985 - Aug 1989

4 years 8 months

Cologne, Germany

IT Consultant / Analyst

Public Service

Monitoring of construction status, material tracking, and control of airborne weapon systems: Developing and enhancing the dialog and batch system, including documentation and production processes
Computer-aided maintenance of standardized work sequences: System analysis and planning of network planning software
Hardware / Software / Tools: IBM-MVS, S/390, JES2, TSO-ISPF, JCL, DB2, SQL, QMF, QBE, SPUFI, IMS-DB/DC, MFS, PL/1, BTS, IBM-8100/DPPX, DSX, DTMS, HIPO, Nassi-Shneiderman

Nov 1984 - Dec 1984

2 months

Ratingen, Germany

IT Software Developer

Materials Management

Adaptation of POC software components to company-specific processes, creation of interfaces and data transfer to the POC system
Hardware / Software / Tools: IBM-4331/VSE, IBM-3081, TSO-ISPF, JCL, COBOL-74, PC-BASIC

Nov 1980 - Oct 1984

4 years

Essen, Germany

IT Software Developer

Energy Supplier

Repair Cost Budget Project: Organization and development of batch and report programs, implementation and user support
External deliveries and services billing: Design, coordination, programming and implementation of user software in power plant operations
Hardware / Software / Tools: IBM-3033, JES2, MVS, TSO-ISPF, JCL, IMS-DB/DC, MFS, COBOL-74, BTS, Easytrieve

Feb 1980 - Oct 1980

9 months

Ratingen, Germany

IT Software Developer

Materials Management

Conversion from OS processing to IMS-DB/DC (planning phase) and maintenance of the legacy system
Hardware / Software / Tools: IBM-370/168, IBM-3033, OS/VS2, TSO, JCL, IMS-DB/DC, PL/1

Apr 1975 - Dec 1979

4 years 9 months

Düsseldorf, Germany

IT Software Developer

Chemicals

Development of IMS online and batch programs according to standardized specifications for accounts payable and accounts receivable accounting
System test support and implementation
Hardware / Software / Tools: IBM-370/168, IBM-3030/33, OS/VS, MVS, JDS, IMS-DB/DC, MFS, COBOL-74, DECTAT, SPL/SWT

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Automotive, Government and Administration, Chemical, Energy, Insurance, and Tourism.

Automotive

Government and Administration

Chemical

Energy

Insurance

Tourism

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Logistics, Supply Chain Management, Quality Assurance, Accounting, and Business Intelligence.

Information Technology

Logistics

Supply Chain Management

Quality Assurance

Accounting

Business Intelligence

Skills

Hardware

Ibm Mainframes (All Since 1975)
Siemens Mainframes Bs2000
Ibm Rs6000
Personal Computers / Servers
Ionen Printer (Mircoplex, Munich)

Operating Systems

Mvs
Z/Os
Os/390
Os/Vs1-2
Jes2-3
Vm/Vse
8100/Dppx
Aix
Os/2 Warp
Ms-Teams
Ms-Windows 3x
Ms-Windows 2000
Ms-Windows Nt
Ms-Windows Xp / 7 /10 / 11

Programming Languages

Cobol (All Versions)
Pl/1
Sql
Pl/Sql, Sql/Pl (Ibm)
Assembler (Basic Knowledge)
Rexx
Clist
Asi (Under Ims-Dc)
Idol (Ionen Printer)
Xml

Databases

Ims/Db
Db2
Informix
Vsam
Oracle
Uds

Data Communication

Ims-Dc
Utm
Lu6.2
Vtam
Mq-Series
Tcp-Ip
Edifact
Asi
Tso/Ispf Dialog Manager

Development Tools

Spl/Swt (Generator)
Telon (Generator)
Ispf / Cms
Visio
Ultra-Edit
Dectat (Decision Table Generator)
Xmlpad, Pspad
Designer
Pagemaker
Microfocus Workbench
Hp-Quality Center (Hpqc), Hp-Alm
Bugzilla
Jira / Kanban / Confluence / Wiki
Ibm - Debug Tool

Standard Mainframe Software

Tso/Ispf
Jcl, Opc, Zeke, Ca7/11
Rexx, Clist
Racf
Lms, Proba, Prodpr
Xpediter
Fileaid, Bts, Selcopy
Rvs, Bvb, Abl
Patinum, Endevor
Rochade

Standard Pc Software

Ms-Office
Ms-Project

Industries

Automotive Manufacturers
German Armed Forces / Air Force
Steel Industry
Energy Industry
Materials Management
Insurance

Methods

Structured And Standardized Programming
Standardized System Design
Use Of Program Generators
Decision Table Technique
Database Design + Modeling
Function Point Method / Agile Software Development Via Scrum / Jira

Previous Activities

Analysis Through Implementation According To Sdm (Solution Delivery Methodology) Or Based On The V-Modell Xt (Project Guide)
Creation Of Application Software For Online And Batch Operations
Specification, Development, Testing, Implementation, User Support
Creation Of Sox / Scrp-Relevant Objects
Creation Of User Guides, Manuals, Test Management.

Languages

German

Native

English

Advanced

Education

Oct 1972 - Jun 1974

Business Administration – IT · Düsseldorf, Germany

Oct 1968 - Jun 1972

Kreissparkasse Moers

Bank Clerk · Moers, Germany

Certifications & licenses

Statistics

Experience

Total positions 14

Experience in Automotive 27 y

Avg length 3 y 1 m

Longest experience 18 y 8 m

Global experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles IT – Consultant / Analyst / Developer / Tester / Support, IT – Consultant / Analyst / Developer, IT – Consultant / Analyst / Developer / Tester

Main industries Automotive, Government and Administration, Chemical

Main business areas Information Technology, Logistics, Supply Chain Management

Qualifications

Certifications earned 1

Profile

Member since

December 2024

Last update

October 2026

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Frequently asked questions

Have questions? Find more information here.

Jürgen is based in Erkrath, Germany and prefers 100% remote projects.

Jürgen speaks the following languages: German (Native), English (Advanced).

Jürgen has at least 44 years of experience. During this time, Jürgen has worked in at least 7 different roles and for 10 different companies. The average length of individual experience is 3 years and 2 months. Note that Jürgen may not have shared all experience and actually has more experience.

Based on recent experience, Jürgen would be well-suited for roles such as: IT – Consultant / Analyst / Developer / Tester / Support, IT – Consultant / Analyst / Developer, IT – Consultant / Analyst / Developer / Tester.

Jürgen's most recent position is IT – Consultant / Analyst / Developer / Tester / Support at Automotive manufacturer.

In recent years, Jürgen has worked for Automotive manufacturer.

Jürgen is most experienced in industries like Automotive, Government and Administration, and Chemical. Jürgen also has some experience in Energy, Insurance, and Tourism.

Jürgen is most experienced in business areas like Information Technology, Logistics, and Supply Chain Management. Jürgen also has some experience in Quality Assurance, Accounting, and Business Intelligence.

Jürgen has recently worked in industries like Automotive.

Jürgen has recently worked in business areas like Information Technology and Quality Assurance.

Jürgen attended education in Business Administration – IT.

Jürgen has 1 certificate: ISTQB® Certified Tester.

Jürgen will be available part-time from November 2026.

Daily rate distribution

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<€640 €640-800 €800-960 €960-1120 €1120+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

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Daily rate avg. 865 €

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

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Median rate 820 €

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 17 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.