Mainframe Application Support Engineer (zOS / Payments Systems)

Industry: bankingRate: up to 140 pln/h on b2b Location: hybrid 3 days per week from office in Gdańsk Introduction & Summary We are seeking an AM Consultant with significant expertise in IBM Mainframe zOS and payment processing systems. The ideal candidate will have a strong focus on operational tasks and lifecycle management while ensuring high-quality IT service delivery. Proficiency in DB2 and related technologies, combined with a systematic approach to problem-solving, is essential for this role. Main Responsibilities • Participate in a BizDevOps SAFe Agile team focused on applications' maintenance. • Deliver services aligned with SLA objectives and ensure high-quality IT service. • Manage incidents, problems, and service fulfillment as per Nordea standards. • Drive change initiatives with multiple stakeholders for sustainable solutions. • Contribute to backlog management and Agile ceremonies. • Enhance the robustness and quality of business-supporting applications. • Stay updated on developments and best practices in the field. Key Requirements • Deep experience with IBM Mainframe zOS at an operational level. • Proficient in DB2 with capabilities in database searching. • Experience reading and interpreting files in hexadecimal format on mainframe. • Familiarity with Job Control Language (JCL) and TWS (OPC). • Strong understanding of payment systems including debit, credit, transactions, and statements. • Knowledge of SWIFT messaging formats (MT940, MT950, camt.052, camt.053). • Business-oriented approach to problem-solving with systematic work ethics. Nice to Have • Hands-on experience with application maintenance tasks. • Experience managing applications on Red Hat Linux.