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Jobs via Dice

Mainframe DB2 Database Administrator

Jobs via Dice, Salisbury, North Carolina, United States, 28147

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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 analytic 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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