IT Analyst – Mainframe (COBOL / DB2 / zOS)- Try & Hire

We are looking for an experienced IT Analyst to support a PreStudy focused on custody fee requirements in Finland. The assignment will be carried out together with Business Analyst and focuses on analyzing the current custody fee setup, reviewing existing business logic, and evaluating future solution options.The work begins with understanding the current Finnish custody fee flow, reviewing the existing business logic, and identifying possible simplification opportunities. A key part of the assignment is to analyze the possibility of moving the custody fee calculation from the legacy systems ApHoito and Maksut to the strategic solution Peng. The consultant will also support the work of confirming the custody fee business logic, where a PRU decision is required.As part of the PreStudy, the consultant will contribute to defining the MVP scope and producing effort estimates, cost estimates, and implementation options for the future custody fee solution.ResponsibilitiesPerform a deep-dive into Finnish custody fee requirements and the existing custody fee flowReview current business logic and identify simplification opportunitiesAnalyze the possibility of moving the calculation from ApHoito and Maksut to PengSupport confirmation of custody fee business logicContribute to defining MVP scopeContribute to effort estimate, cost estimate, and implementation optionsKey RequirementsStrong experience as an IT Analyst in complex system environmentsDeep understanding of IBM Z environment and z/OSAbility to read and analyze COBOL code written in Finnish to understand embedded business logicExperience with DB2 and JCL in mainframe environmentsFamiliarity with traditional mainframe interfaces such as TSO and ISPFStrong analytical capability, including impact analysis across interconnected systems and reverse engineering of legacy business logicAbility to translate business or regulatory requirements into technical specifications for development teamsStrong stakeholder communication skills and ability to bridge business and ITNice to HaveExperience with modern application environments such as Java and Spring BootUnderstanding of microservices architecture, REST APIs, and distributed systemsStrong SQL knowledge and experience with relational databasesFamiliarity with modern development practices such as containerization, message brokers, CI/CD, DevOps, or cloud platformsContract: 6-month Try & Hire - with possibility to be employed by the client after the consultancy contractStart date: 2026-03-23End date: 2026-08-31Allocation: 100%Background check: Required for the selected consultants before the assignment starts.Please apply directly through our system with your updated CV in English, where your relevant skills and experience for the role are clearly demonstrated.PayExpress: We now offer a fast and smooth payment solution, so you don't have to wait through long payment periods. With us, you will receive your payment within 3-5 days after your timesheet has been approved. This benefit is included as standard in almost all our contracts with no extra work on your part.