Full-Time

Mainframe Database Administrator

Posted on 9/11/2026

Deadline 9/29/26
Zensar

Zensar

Digital transformation services

No salary listed

Gurugram, Haryana, India

In Person

Bachelor's

Category
DevOps & Infrastructure (1)
Required Skills
SQL
Operating Systems
Postgres
Mainframe Computing

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Requirements
  • Preferred Bachelor's degree or higher in Information Management, Computer Science Engineering, or a related subject.
  • Experience using IBM and BMC utilities for IMS and Db2 z/OS databases.
  • Experience with IMS FF and FP databases.
Responsibilities
  • Drive application migration from z/OS to PostgreSQL.
  • Recommend performance improvements to optimize and fine-tune AXP database and operating system data-sharing complexes and environments.
  • Support mission-critical mainframe applications across services, acquisitions, remittances, accounts receivable, merchant, loyalty, corporate, and other business areas.
  • Maintain standard procedural documentation for operating the mainframe IMS and Db2 database business computing ecosystem.
  • Enable high-availability and automated database-reorganization procedures to minimize business-client impacts, improve availability, and support large data-volume scaling.
  • Create, synchronize, and refresh mainframe IMS and Db2 data warehouse databases for development, test, and production environments as directed.
  • Lead team efforts to upgrade database structures, including converting z/OS Db2 VSAM table spaces to Universal Table Space structures in preparation for Db2 Version 13.
  • Participate in design-review meetings and convert logical database models into physical database models.
  • Re-engineer and optimize mainframe access paths and assist in redesigning very large databases through new-function deployments for performance improvements and new business features.
  • Maintain and administer application database security in accordance with Db2 database-management-system and organizational standards and procedures.
  • Perform database backups, reorganizations, analysis, diagnosis, and error resolution.
  • Use BMC Admin toolset Change Manager, IBM Data Studio, and IBM Visual Studio to automate lift-and-shift tasks across disparate platforms.
  • Support IMS FF, FP, and Db2 z/OS maintenance, development, and migration activities.
  • Mentor junior team members in developing, monitoring, and administering critical operational database-management systems.
Zensar

Zensar

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Zensar is a global technology services company focused on enterprise digital transformation. The company provides application modernization, artificial intelligence, cloud, cybersecurity, data, engineering, experience, and managed services. It serves enterprises, public organizations, technology leaders, and business teams across multiple industries. Its operating model centers on consulting and delivery teams organized around client programs, industry practices, technology partnerships, and global operations. Teams work across software, cloud, AI, data, cybersecurity, consulting, quality engineering, and client delivery. This structure supports consistent delivery across the organization.

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