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Mainframe

All Cities - Colombia💼 Full-time🗓 2026-09-29

Core

Operate and support IBM Z mainframe environments and z/OS systems, ensuring availability, stability, and performance of critical infrastructure services.

Role type

Mainframe System Administrator

Builds

Mission-critical technology systems for leading businesses

Domain

IT Infrastructure / Mainframe

Deliverable

infrastructure

Required skills

IBM Z environment administration, z/OS operations, batch job management, JCL analysis, incident management, ITIL processes, RACF security controls, capacity planning, backup and recovery procedures

Preferred skills

IBM Certified Associate System Administrator - z/OS, IBM Z Xplore Digital Credentials, IBM Mainframe Practitioner, ITIL Foundation

Technologies

IBM Z, z/OS, JCL, RACF

Responsibilities

Monitor and track mainframe platform health, manage batch processes and job execution, handle incidents and infrastructure changes, administer users and basic security controls, perform maintenance and operational support, conduct capacity and performance analysis, participate in continuity and recovery activities, maintain technical documentation, escalate complex issues to specialized teams

Seniority

Mid-level, hands-on IC

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