Mainframe Business Expert, German

Jobtailor; Łódź; On-site; PLN 120,000 - 180,000; Full time

Job summary

Jobtailor is seeking a data-focused analyst to clarify requirements, design data models, and contribute to the PC-RB Datamart and CODABAS environments. You will work on data modeling, DB2 table design, and QA during development.

Strong SQL, z/OS and COBOL knowledge are required; English and German language skills are needed to collaborate with stakeholders. Experience with data warehousing concepts and cloud solutions is a plus.

Qualifications

• German: B2+ level.
• English: B2/C1 level.
• Strong analytical skills.
• Advanced SQL knowledge.
• Good knowledge of z/OS and DB2.
• Good knowledge of COBOL programs.
• Familiarity with data warehousing/data lake concepts (nice to have).

Responsibilities

• Clarification and analysis of requirements for our products.
• Creation of (technical) designs and specifications, data modeling, 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, including testing through to go-live.
• Processing of requests for the PC-RB Datamart and CODABAS, including data evaluation.
• Advising and supporting our stakeholders.

Skills

Strong analytical skills

Tools

Rumba

DB2 Catalog Manager

PowerDesigner

Aqua Data Studio

Job description

Responsibilities

• Clarification and analysis of requirements for our products
• Creation of (technical) designs and specifications, data modeling, 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, including testing through to go-live
• Processing of requests for the PC-RB Datamart and CODABAS, including data evaluation
• Advising and supporting our stakeholders

Requirements

• German: B2+ level
• English: B2/C1 level
• Strong analytical skills
• Advanced SQL knowledge
• Good knowledge of z/OS and DB2
• Good knowledge of COBOL programs
• Proficiency in Excel (nice to have)
• Basic knowledge of data modeling fundamentals (nice to have)
• Familiarity with data warehousing/data lake concepts (nice to have)
• Experience with cloud solutions (preferably GCP) (nice to have)
• Experience in the banking sector (nice to have)
• Basic knowledge of Rumba, DB2 Catalog Manager, PowerDesigner, Aqua Data Studio (nice to have)