DB2 ZOS DBA (Rexx programming)

BetaNXT Inc; Bengaluru; On-site; INR 4,000,000 - 6,400,000; Full time

Job summary

BetaNXT Inc. in Bengaluru, India is seeking an experienced IBM DB2 for z/OS DBA to manage performance, tuning, and on-call support in a mission-critical environment.

You will work on DB2 objects, utilities, DDF, and on-call rotations, enabling robust data platforms for wealth-management solutions. Strong ITIL discipline and mainframe skills are required.

Qualifications

• 8–15 years of experience as an IBM DB2 for z/OS DBA with strong DBA and performance skills.
• In-depth knowledge of DB2 objects: databases, tablespaces, storage groups, and utilities.
• Experience with mainframe ITIL processes and production incident handling.

Responsibilities

• Perform SQL performance analysis and tuning, including EXPLAIN analysis and join strategy assessment.
• Monitor and optimize application performance using IBM performance tools (e.g., MainView, Detector).
• Develop and maintain automation and utilities using REXX programming.
• Tune DB2 and system resources for performance and capacity management.
• Provide application development support with SQL coding guidance and issue resolution.
• Participate in 24x7 on-call rotation (L1/L2) for production incidents.
• Support DB2 for z/OS DDF environments and related subsystem parameters.
• Analyze and resolve locking, deadlocks, and timeouts across levels.
• Manage and troubleshoot DB2 logging environments and on-disk archives.
• Administer and optimize DB2 utilities (REORG, RUNSTATS, COPY, LOAD, RECOVER).

Skills

DB2 for z/OS

SQL performance tuning

Mainframe tools

JCL/TSO/ISPF

Rexx

ITIL processes

Education

Bachelor's degree in CS or related field

Tools

BMC MainView for DB2

BMC Apptune

CA Detector

DB2 Utility tools (REORG, RUNSTATS)

SPUFI

Job description

About BetaNXT: BetaNXT is a leading provider of frictionless wealth management infrastructure, real-time data solutions, and an enhanced advisor experience. We invest in platforms, products, and partnerships to accelerate growth for the ecosystem we serve. Our connective approach empowers our clients to deliver a comprehensive, end-to-end advisor and investor experience. BetaNXT is a premier provider of technology, data, and operations as services to a rich client base of wealth managers, institutional wealth firms, and digital brokers. It is comprised of three industry-leading businesses which, combined, provide end-to-end solutions across the investment lifecycle. Career Framework Job

Job Description

Key Responsibilities

• Perform SQL performance analysis and tuning, including query optimization, EXPLAIN analysis, access path evaluation, join strategy assessment, optimizer hints (OPTHINTs), and data normalization best practices.
• Monitor and optimize application performance using tools such as BMC MainView for DB2, BMC Apptune, CA Detector, or equivalent IBM performance monitoring solutions.
• Develop and maintain automation and operational utilities using REXX programming.
• Conduct performance and capacity management activities by tuning DB2 and system resources, leveraging monitoring, reporting, and diagnostic tools.
• Provide application development support, including SQL coding guidance, performance recommendations, and DB2 issue resolution.
• Participate in a 24x7 on-call support rotation (Level 1/Level 2) covering weekdays, weekends, and critical production incidents.
• Support DB2 for z/OS Distributed Data Facility (DDF) environments, including distributed workload management, stored procedure performance tuning, and DDF-related subsystem parameter optimization.
• Analyze and resolve DB2 locking and concurrency issues, including lock escalations, lock contention, deadlocks, and timeout situations across page, row, table, tablespace, and system levels.
• Manage and troubleshoot DB2 logging environments, including active and archive logs; utilizing log analysis and scanning tools to investigate performance and recovery issues.
• Administer and optimize DB2 utilities, including REORG, RUNSTATS, COPY, LOAD, RECOVER, REBUILD INDEX, and related maintenance processes.

Required Qualifications

• 8–15 years of experience as an IBM DB2 for z/OS Database Administrator, with strong expertise in database administration, performance tuning, and application support.
• In-depth knowledge of DB2 database objects and structures, including:
  • Databases
  • Storage Groups
  • Tablespaces
  • Tables
  • Indexes
  • Views and Aliases
  • Native Stored Procedures
  • Triggers
  • User Defined Functions (UDFs)
• Experience managing DB2 schema and structural changes to support application development, while participating in both logical and physical database design activities.
• Strong Mainframe technical skills, including:
  • JCL
  • TSO/ISPF
  • SDSF
  • RACF
• Hands-on experience with third-party DB2 administration and performance tools, including:
  • BMC DB2 Tool Suite
  • BMC Migrator
  • Log Analyzer
  • Detector
  • MainView
  • SPUFI
  • Equivalent IBM or CA technologies
• Proficiency with DB2 Utilities and BMC/CA utility suites.
• Experience in data migration and data movement across multiple environments (Development, Test, QA, UAT, and Production).
• Strong understanding of backup, recovery, logging, and disaster recovery strategies.
• Proven experience in problem determination, root cause analysis, and production issue resolution.
• Demonstrated analytical, critical-thinking, and problem-solving skills, particularly in high-pressure or business-critical environments.
• Understanding of ITIL processes, including Incident, Problem, and Change Management. ITIL certification is preferred.

Preferred Qualifications

• Knowledge of Informatica PowerExchange.
• Familiarity with Java, Web Services, and Service-Oriented Architecture (SOA) concepts.
• Experience working with ServiceNow, Remedy, or other IT Service Management (ITSM) platforms.