Summary: Seeking a Mainframe DB2 Administrator with strong experience in managing, maintaining, and supporting DB2 databases on z/OS, focusing on performance tuning and high availability. Highlights: 1. Administer DB2 for z/OS databases and perform performance tuning 2. Manage backup, recovery, and disaster recovery processes for DB2 3. Troubleshoot DB2 issues and provide production support for critical applications Querétaro, Querétaro 76000 Posted February 10th, 2026 Looking for more job opportunities? Click here! Job Type: Full Time Job Category: IT Job Description **Role: Mainframe DB2 Administrator****Location: Mexico****FTE Only** We are seeking a **Mainframe DB2 Administrator** with strong experience in managing, maintaining, and supporting DB2 databases on z/OS. The role involves database performance tuning, backup and recovery, and ensuring high availability of critical mainframe applications. **Key Responsibilities:** Administer **DB2 for z/OS** databases (installation, configuration, upgrades) Perform **database performance tuning**, monitoring, and capacity planning Manage **backup, recovery, and disaster recovery** processes Handle **DB2 security**, access control, and compliance Support **application teams** with database design and SQL optimization Troubleshoot DB2 issues and provide **production support** **Required Skills:** 5\+ years of **DB2 z/OS administration** experience Strong knowledge of **DB2 utilities** (REORG, RUNSTATS, COPY, RECOVER) Experience with **z/OS, JCL, SDSF** Good understanding of **SQL performance tuning** Tools like **BMC, IBM DB2 tools** are a plus Required Skills DATABASE ADMINISTRATOR