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.
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.
- Workplace type: Hybrid (50% onsite, 50% remote).
- Location: Parque das Nações, Lisboa.