Mainframe Business Expert with German (m/f/d)

Commerzbank Poland; Łódź; On-site; PLN 140,000 - 210,000; Full time

Benefits offered by this job

Life insurance

Flexible working hours

Integration events

Many more benefits

Job summary

Commerzbank Poland is seeking a Business Expert to support the PUK segment. The role focuses on the PC-RB Datamart and CODABAS data warehouse, contributing to data modelling, analyses, and go-live activities.

Your duties include requirements clarification, creating designs and data specifications, developing and maintaining data models, and performing in-depth data analysis. You will support QA and engage with stakeholders to ensure successful deliveries.

Qualifications

• Fluent German (B2+) and English (B2/C1) required.
• Strong analytical skills are essential.
• High knowledge of SQL required.
• Good knowledge of z/OS and DB2.
• Experience with COBOL mainframe applications.

Responsibilities

• Clarify and analyze requirements for our products.
• Create (technical) designs and specifications, data modelling, DB2 table design and delivery agreements.
• Develop and maintain the data model.
• Perform business and technical data analysis.
• Support and quality assurance during development, through testing to go-live.
• Process PC-RB Datamart and CODABAS data requests and evaluate data.
• Advise and support stakeholders.

Skills

German B2+

English B2/C1

Strong analytical skills

SQL

z/OS

DB2

COBOL

Tools

Rumba

DB2 Catalog Manager

PowerDesigner

Aqua Data Studio

Job description

Join our team as a Business Expert!

In the PUK segment, the PC-RB Datamart is THE data source for a wide range of applications and users who use this data for analysis and reports.

CODABAS is the legacy data warehouse with a wide variety of customer business data and is used by many applications in the Commerzbank.

Our CoDaMart cell in the Big Data cluster is the right place for you, if you, as a Business Analyst/Business Expert

• Want to advance the further development of the applications in PC-RB Datamart and
• Support the decommissioning of the CODABAS data warehouse and
• Ensure the maintenance and operation of our products.

Your main tasks are:

• Clarification and analysis of requirements for our products
• Creation of (technical) designs and specifications, data modelling, DB2 table design and delivery agreements based on technical requirements
• Further development and maintenance of the data model
• Business and technical data analysis
• Support and quality assurance during the development process, through testing, right up to go-live
• Processing of requests for PC-RB Datamart and CODABAS, including evaluation of data
• Advice and support to our stakeholders

Which technology & skills are important for us?

• German B2+ level
• English B2/C1 level
• Strong analytical skills
• High knowledge of SQL
• Good knowledge of z/OS, DB2
• Good knowledge of COBOL programs: the basic structure and functioning of mainframe applications

Nice to have:

• Proficiency in Excel
• Basic knowledge of Data Modelling Fundamentals
• Familiarity with Data Warehousing / Data Lake Concept
• Experience with cloud solutions (preferably GCP)
• Experience in banking sector
• Basic knowledge of Rumba, DB2 Catalog Manager, PowerDesigner, Aqua Data Studio

Do not worry, if you do not have experience in some of the points - we will provide trainings for you!

What we offer?

• Development Plans
• Life insurance
• flexible working hours
• integration events
• and much more

Below you can find more information about Commerzbank

Commerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so we are. We are leaving the traditional bank behind us and are choosing to move forward as a digital enterprise. This is exactly why we need talented people who will join us on this journey. We work in inter-locational and international teamwork in agile methodologies.