CareerPlan

IT Application Support Engineer (Mainframe)

Lisbon, Lisbon, ptFull-time2026-11-09 → 2026-11-10

Core

Production support, monitoring, maintenance, and release management for critical banking applications within a Mainframe ecosystem.

Role type

Senior IC IT Application Support Engineer (Mainframe)

Builds

Stable, high-performance banking applications and operational processes

Domain

Banking / Mainframe

Required skills

IBM Mainframe (z/OS), COBOL, CICS, JCL, DB2, SQL, Unix Shell Scripting, File Transfer Technologies (FTP, SFTP, MQ, CFT), SDLC methodologies, Root Cause Analysis, Batch Processing Management

Preferred skills

None stated

Technologies

IBM z/OS, TSO, CICS, DB2, Oracle, OPC Scheduler

Responsibilities

Investigate and resolve technical incidents and production issues; Monitor batch processing activities and application workflows; Coordinate application releases and production migrations; Perform data refresh activities and database copy/masking; Develop and maintain operational documentation and procedures; Automate repetitive tasks and improve monitoring capabilities

Seniority

Senior, hands-on IC