Mainframe Database AdministratorCynet Systems • Frisco, TX

Mainframe Database Administrator

Cynet Systems • Frisco, TX

[job_card.variable_days_ago]

[job_preview.job_type]

[job_card.full_time]

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Job Description:

The Mainframe DB2 Database Administrator is responsible for administering, optimizing, and supporting DB2 for z/OS environments.
This role focuses on database installation, performance tuning, security, automation, and disaster recovery while collaborating with cross-functional teams to ensure stable and efficient database operations.

Responsibilities:

Install, configure, and manage DB2 subsystems, buffer pools, and storage groups.
Monitor DB2 performance and implement tuning and optimization measures.
Optimize SQL queries and indexing strategies.
Analyze workloads and adjust system parameters for improved efficiency.
Implement and manage backup and recovery procedures.
Develop, test, and maintain disaster recovery strategies.
Manage database security, user access controls, and authorization policies.
Ensure compliance with data governance, audit, and security requirements.
Automate routine DBA tasks using scripting and automation tools.
Use monitoring tools to proactively detect and resolve database issues.
Collaborate with application developers, system programmers, and infrastructure teams.
Provide support during deployments, upgrades, and troubleshooting activities.
Maintain documentation for database configurations, procedures, and standards.
Define and enforce database standards and best practices.

Required Skills and Qualifications:

Strong experience with DB2 for z/OS across multiple versions.
Proficiency in JCL, TSO/ISPF, VSAM, and DB2 utilities.
Familiarity with mainframe tools including SMP/E and RACF.
Knowledge of DB2 connectivity with CICS, IMS, and IBM MQ.
Experience with DB2 DDF and distributed/remote connectivity.
Hands-on experience with performance tuning, backup, recovery, and automation.
Excellent analytical, problem-solving, and troubleshooting skills.
Strong communication and collaboration abilities.
Ability to work independently and in a team-oriented environment.

Experience:

Extensive hands-on experience in DB2 database administration on z/OS.
Proven background in performance tuning, disaster recovery planning, and automation.

Education and Certifications:

IBM Certified Database Administrator – DB2 for z/OS preferred.

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