Mainframe Analyst COBOL, JCL, DB2, VSAM, CICS, IMS Warsaw, , Gdynia

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Mainframe Analyst Responsibilities: Analyze and understand mainframe applications, including data flows, system integrations, and dependencies Gather and document functional and technical requirements Perform impact analysis and support validation of changes within the system Validate developer changes and test results using strong analytical skills Document and report test outcomes in a structured and comprehensive way Support Application Maintenance (AM) teams in resolving production incidents Investigate issues and participate in problem diagnosis and resolution Coordinate with Release Managers for deployment and release activities Collaborate with cross‑functional teams to ensure smooth delivery Continuously improve knowledge sharing and documentation Proactively learn and adapt to new tools and technologies Requirements: Deep understanding of mainframe technologies (COBOL, JCL, DB2, VSAM, CICS,IMS) Proven experience in requirements gathering, impact analysis and documentation of the application Strong analytical skills for validating developer changes and test results Ability to document test outcomes comprehensively Experience supporting Application Maintenance (AM) teams with production incident resolution Coordination with Release Managers for deployment activities Eagerness to learn new tools and adapt to evolving technologies Very good command of English, both spoken and written Offer: Private medical care Co‑financing for the sports card Constant support of dedicated consultant Personal Consulting Agency (License No. 4642) #J-18808-Ljbffr