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Robustware

Mainframe DB2 Database Administrator

Robustware, Salisbury, North Carolina, United States, 28147

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Role: Mainframe DB2 Database Administrator Location: Salisbury, NC/Boston, MA/Frisco, TX Role Summary: The DB2 DBA on z/OS is responsible for the administration, performance tuning, and maintenance of IBM DB2 databases running on the z/OS mainframe platform. This role ensures data integrity, availability, and security across mission-critical systems and collaborates with cross-functional teams to support business applications. Key Responsibilities: Database Installation & Configuration:

Set up and manage DB2 subsystems, buffer pools, and storage groups.

Performance Tuning & Optimization:

Monitor database performance and implement tuning measures

Optimize SQL queries and indexing strategies.

Analyze workload and adjust system parameters for efficiency.

Backup, Recovery & Disaster Planning:

Implement and manage backup and recovery procedures.

Develop and test disaster recovery strategies

Security & Compliance:

Manage user access controls and database security policies.

Ensure compliance with data governance and audit requirements

Automation & Monitoring:

Automate routine DBA tasks using scripting (e.g., REXX, Shell, Python).

Use monitoring tools to proactively detect and resolve issues

Collaboration & Support:

Work closely with application developers, system programmers, and infrastructure teams.

Provide support during deployments, upgrades, and troubleshooting

Documentation & Standards:

Maintain documentation for configurations, procedures, and standards.

Define and enforce database standards and best practices.

Required Skills & Qualifications: Technical Expertise: Strong experience with DB2 for z/OS (versions 10 through 12). Proficiency in JCL, TSO/ISPF, VSAM, and DB2 utilities. Familiarity with SMP/E, RACF, and IBM mainframe tools. Knowledge of IBM MQ for z/OS, IMS, or CICS connectivity with DB2. Experience with DB2 DDF (Distributed Data Facility) and remote connectivity. Experience: 5 years of hands-on experience in DB2 database administration on z/OS. Experience with performance tuning, disaster recovery, and automation. Soft Skills: Excellent problem-solving and analytical skills. Strong communication and collaboration abilities. Ability to work independently and in a team environment. Education & Certifications: IBM Certified Database Administrator DB2 for z/OS is a plus

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