Senior IT Business Analyst

We are looking for an experienced Senior IT Business Analyst to support a large-scale modernization program focused on migrating a legacy mainframe-based system to a modern Java architecture. The role combines deep analytical work, close collaboration with technical teams, and active involvement in the execution of a multi-year migration roadmap.

Project: Legacy Mainframe → Java Migration
Duration: Long-term program (planned until 2028)

Start Date: ASAP (no later than February)

Duration: Initial 12 months, with long-term extension until 2028

Workload: Full-time

Onsite Requirement: 1–2 days per month in Vienna, Austria

Project Language: German - MUST

Responsibilities

Reengineering and functional analysis of an existing mainframe system within a Java-based target architecture

Supporting the operational implementation of the migration roadmap

Structured elicitation, analysis, and documentation of business and functional requirements, taking architectural constraints into account

Close coordination with parallel reengineering initiatives, including:

End-to-end process redesign

System integration

Architecture and migration streams

Clarification and alignment of solution requirements with subject matter experts and software vendors

Supporting error analysis, defect triage, and issue resolution during:

Testing phases

Production and post-go-live operations

Skills & Qualifications

Several years of experience as an IT Business Analyst in complex reengineering or migration projects

Strong hands-on knowledge of mainframe environments, including:

Natural / DB2

PL/1

IBM z/OS

Experience with Java-based migration projects and modern target architectures, including:

Java

MSSQL

Quarkus

JBeret

Strong analytical thinking and structured documentation skills

Excellent communication, coordination, and stakeholder management abilities

Fluent German (mandatory, project language)