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Job Description:

We are looking for an Operation Mainframe Consultant with experience in z/OS environments, responsible for ensuring the operation, monitoring, and support of mainframe systems, with a focus on batch processing and production stability.

Responsibilities:

• Ensure the operational readiness of z/OS environments, including CMDB updates, documentation, obsolescence, and vulnerability management;

• Provide operational maintenance (MCO) as Level 2 support;

• Define, schedule, and execute batch jobs using TWS and Control-M;

• Monitor processes in real time and respond to incidents (abends, dependency issues, SLA breaches);

• Launch and monitor production processes in z/OS, Open, and Control-M;

• Perform incident recovery in production environments;

• Manage and intervene on system resources (disk space, JES queues, catalogs, GDG, datasets);

• Monitor file transfers and handle related incidents;

• Provide technical support to application teams;

• Optimize processing chains and reduce batch execution times;

• Participate in production deployments and change activities;

• Provide scheduled and on-call support (HNO);

• Create and maintain operational documentation and work instructions;

• Produce availability and performance reports;

• Support solution development in coordination with the Project Manager/ScrumOps;

• Act as a technical integrator.

Requirements:

• Experience with z/OS environments;

• Proficiency in JCL (Job Control Language);

• Hands-on experience with ISPF, SDSF, and TSO;

• Knowledge of system monitoring (LPARs, JES2/JES3, CICS, DB2);

• Ability to monitor and analyze system performance (CPU, memory, I/O, queues);

• Experience in batch process management;

• Familiarity with CICS, DB2, IMS, and VSAM environments;

• Strong analytical and incident-resolution skills;

• Ability to work collaboratively in a team environment.

Shape your future with us @Xtedder

Av. Engenheiro Duarte Pacheco Amoreiras
Torre 1, Piso 3 S9
1070-101
Lisbon, Portugal