About the role
Job Description
We are looking for an experienced Mainframe Operations Engineer to join a team responsible for the operation, monitoring, and support of critical Mainframe platforms. This role is ideal for a professional who thrives in production environments, works autonomously, and is passionate about ensuring system stability, performance, and operational excellence.
Your Responsibilities:
* Provide Level 2 operational and application support for z/OS environments. * Monitor and supervise batch processing activities, ensuring compliance with defined SLAs. * Define, schedule, execute, and track jobs using TWS and Control-M. * Investigate, troubleshoot, and resolve incidents related to production workloads, batch processing, and file transfers. * Manage Mainframe resources, including datasets, GDGs, JES queues, catalogs, and disk space. * Support and monitor file transfer processes using CFT / Connect:Express. * Participate in production releases, change activities, and planned out-of-hours interventions when required. * Act as a technical integrator, collaborating with development, application, production, and operations teams. * Ensure adherence to DevOps best practices, including automation, observability, security, and operational quality. * Produce and maintain operational documentation, procedures, and performance reporting.
Qualifications
Your Profile:
* Proven experience in Mainframe Operations and Support roles within z/OS environments. * Strong knowledge of JCL, TSO, ISPF, SDSF, and z/OS monitoring activities. * Hands-on experience with workload scheduling and automation tools such as TWS (IBM Workload Scheduler) and/or Control-M. * Solid understanding of CICS, DB2, IMS, and VSAM environments. * Experience executing and analysing SQL queries in DB2/SPUFI, including incident diagnosis and troubleshooting. * Knowledge of IBM MQ / MQ Series, including queue, channel, and messaging flow management. * Experience with CFT / Connect:Express or similar managed file transfer solutions. * Familiarity with ITSM tools, preferably ServiceNow. * Knowledge of monitoring and observability platforms such as Dynatrace. * Understanding of ITIL v4, Agile methodologies, and critical production environments.
Soft Skills:
* Strong communication and collaboration skills. * Excellent analytical thinking and organizational capabilities. * Ability to work independently and manage priorities effectively. * Strong sense of ownership, responsibility, and attention to detail. * Comfortable working in structured and business-critical environments.
Languages:
* English (B2 level minimum) is mandatory. * French is a plus.
Additional Information
* Workplace type: Hybrid (50% onsite, 50% remote). * Location: Parque das Nações, Lisboa.