Senior DB2 Mainframe Engineer: Performance & Reliability

MainframeMaster; Buenos Aires; Híbrido; ARS 1.200.000 - 1.800.000; Jornada completa

Descripción de la vacante

MainframeMaster is seeking a Sr System DB2 Software Engineer to ensure the performance, availability, security, and reliability of DB2 databases on IBM Mainframe platforms. You will be a valued member of the Database Engineering team and collaborate with infrastructure, application support, and operations to deliver scalable, high-performing database solutions.

In this role, you will administer, maintain, and support DB2 databases, perform installations and upgrades, monitor health and

Formación

• 10+ years of hands‑on experience supporting and administering DB2 databases in IBM Mainframe environments.
• Strong expertise in DB2 Administration, Utilities, Backup & Recovery, and database performance management.
• Proven experience with DB2 Performance Monitoring, SQL Tuning, and query optimization.
• Strong knowledge of Mainframe technologies including z/OS, JCL, TSO/ISPF, and DB2 Utilities.
• Experience performing database upgrades, migrations, and security administration activities.
• Advanced English communication skills, both written and verbal.
• Strong analytical, troubleshooting, and problem‑solving abilities.
• Experience supporting mission‑critical production environments.

Responsabilidades

• Administer, maintain, and support DB2 databases within large-scale Mainframe environments.
• Perform DB2 installations, configurations, upgrades, migrations, and ongoing maintenance activities.
• Monitor database health, capacity, and performance, implementing tuning recommendations to optimize system efficiency.
• Troubleshoot and resolve database-related incidents, production issues, and performance bottlenecks.
• Manage backup, recovery, disaster recovery, and database security processes to ensure business continuity and compliance.
• Support application teams with SQL tuning, query optimization, and database design reviews.
• Ensure database availability, reliability, and adherence to organizational standards and best practices.
• Participate in critical production implementations and on-call support activities as required.

Conocimientos

DB2 Administration

Mainframe z/OS

SQL Tuning

Backup & Recovery

Performance Monitoring

English Communication

Herramientas

JCL

TSO/ISPF

DB2 Utilities

Descripción del empleo

MainframeMaster is seeking a Sr System DB2 Software Engineer to ensure the performance, availability, security, and reliability of DB2 databases on IBM Mainframe platforms. You will be a valued member of the Database Engineering team and collaborate with infrastructure, application support, and operations to deliver scalable, high-performing database solutions.

In this role, you will administer, maintain, and support DB2 databases, perform installations and upgrades, monitor health and