Mainframe Operational Support Specialist

Responsibilities

• Handle incidents in the mainframe environment and drive their resolution.
• Perform problem-management activities and support root-cause analysis.
• Analyze incidents and identify corrective actions.
• Monitor system output using SDSF.
• Browse and investigate datasets using TSO/ISPF.
• Support defect diagnosis and resolution using Abend-AID and File-AID.
• Operate and monitor workloads using OPC/TWS.
• Work with mainframe technologies including COBOL, JCL, DB2, VSAM, CICS, IMS, and Base SAS.
• Adapt to new tools and technologies used within the operational support environment.

Requirements

• Proven experience in incident handling and problem management.
• Strong analytical skills for incident analysis and troubleshooting.
• Deep understanding of mainframe technologies: COBOL, JCL, DB2, VSAM, CICS, and IMS.
• Hands-on experience with Base SAS.
• Practical knowledge of TSO/ISPF and SDSF for dataset browsing and system-output monitoring.
• Experience with OPC/TWS.
• Experience with Abend-AID for defect investigation and resolution.
• Experience with File-AID for defect fixing.
• Ability to learn new tools and adapt to evolving technologies.
• Proactive approach to problem-solving.
• Very good command of spoken and written English.

Nice to have

• Practical experience with REXX scripting and Shell scripting.
• Practical experience with Python.
• Understanding of distributed systems in hybrid environments.
• Familiarity with DevOps methodologies.
• Familiarity with Agile ways of working.
• Experience with cloud integration and mainframe modernization initiatives.

Offer

• Private medical care.
• Co-financing for the sports card.
• Constant support of a dedicated consultant.
• Employee referral program.