Database Administrator

ATS Client; Midrand; On-site; ZAR 600,000 - 900,000; Full time

Job summary

ATS Client is seeking an experienced DB2 DBA to manage DB2 for z/OS in the production and development environments on MVS and CICS. You will administer user access, perform release management, and optimize database performance.

The role requires a minimum of 3 years in a z/OS DB2 environment, knowledge of JCL, REXX, CICS, and batch operations, and the ability to guide developers on SQL coding. On-site in Midrand, Gauteng.

Qualifications

• Minimum 3 years' experience as DB2 DBA or Senior Operator in a z/OS environment.
• Working knowledge of Mainframe (MVS), DB2 for z/OS, Windows OS, SQL, CICS, REXX and JCL.
• Batch operations and MVS architectures.
• DB2 V12 or higher in a z/OS environment
• Understanding of database management tools such as performance monitors and schedulers.

Responsibilities

• Perform DB2 DBA duties with administrator rights on z/OS.
• Implement Release Management and Version Control functions.
• Support BAS production and development environments; provide reports and recommendations.
• Guide developers on SQL coding; report risks and DB unavailability.

Skills

DB2 for z/OS

Mainframe (MVS)

SQL

CICS

REXX

JCL

Batch operations

Oracle (advantage)

DB2 tuning

Education

Technical Diploma in a relevant field

Tools

DB2 Query Monitor for zOS

DB2 Data Studio

QMF for zOS

QMF for Workstation

Job description

Overall Purpose of Job

• Perform Database Administration functions with administrator rights
• Perform Release Management and Version Control function
• Support both BAS production environment users and the development environment on DB2 for z/OS, MVS and CICS. Provide reports and recommendations to supervisor and management, on system performance and improvements.
• Provide guidance to developers on sql coding. Report risks and Database unavailability to Supervising DBA.

Main Responsibilities / Tasks

Day-to-Day Activities

• Authorization of TSO user-ids and granting of the relevant privileges to specific tables within certain production departments' databases.
• Monitoring of production reports to ensure that all scheduled reports not exceed the agreed execution time and to improve the throughput of reports on the BAS system.
• To provide support to end users of the MVS environment.
• Working effectively as part of the team and seek to support team's goals.
• Identifying problems and bringing them to supervisor's attention with sufficient lead in time to avert crises.
• DB2 performance and tuning suggestions
• Release Management functionality

Administration Responsibilities

• Database Quality Assurance and reviews of all SQL Code for programs destined for release to production.
• Periodically perform standby duty - Respond to any DB2/CICS/VSAM problems experienced by production departments, as well as the maintenance team members.
• Extents setup and analysis of DB2 tables and VSAM files in Production and the continuous monitoring and rectification thereof.
• Monitoring and suggest possible optimization ideas of online transactions.
• Continuous improvement of any procedures used within platform support and operations support.
• Creation and setup of new DB2/CICS/VSAM objects whether a new department is implementing the BAS system.
• Monitoring of VSAM splits and scheduling of VSAM and database reorganizations whenever the need arises.
• Setup and perform database refreshes from production database tables to non-production databases.
• Creation of new database tables, table spaces and indexes as well as altering the structure of existing database tables as agreed with senior DBA.
• Perform release management and version control tasks when required.
• Peer review other team members procedural documents.

Supervision Responsibilities

• Able to Supervise small DBA team if required
• Complete weekly status feedback and reporting
• Assist team members in DBA/Release Management task
• Attend client meetings and workshops representing the project

Knowledge and Skills

Required

• Minimum 3 years' experience as DB2 DBA or Senior Operator in a z/OS environment
• Working knowledge of Mainframe (MVS), DB2 for z/OS, WINDOWS Operating systems, SQL, CICS, REXX and JCL.
• Batch operations and MVS architectures

Preferred Skills

• DB2 V12 or higher in a z/OS environment

• Understanding of a database management tools e.g. Performance monitor, schedulers, e.g.
  • CONTROL-M/R/O/T
  • DB2 Query Monitor for zOS
  • DB2 SQL Performance Analyser
  • OPTIM query Workload Tuner
  • DB2 Administrator Tool for zOS
  • DB2 for zOS
  • DB2 Log Analysis Tool for zOS
  • QMF for Workstation
  • QMF for zOS
  • CICS DBUG Tool
  • TMON
  • DB2 Data studio
  • DB2 Omegamon
  • DB2 IDZ and IDAA
• SQL and/or Rexx coding to automate routing tasks.
• A DBA with experience in Oracle is an advantage.

A minimum of 2 years of experience in relevant related skills.

Expert proficiency in Database Management.

Expert proficiency in Database Optimization & Tuning.

Technical Diploma in relevant field of studies.

Equal Employment Opportunity Statement

We believe that no one should be discriminated against because of their differences. All employment decisions shall be made without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, sexual orientation, gender identity or expression, marital status, citizenship status or any other basis as protected by applicable law. Our rich diversity makes us more innovative, more competitive, and more creative, which helps us better serve our clients and our communities.