Mainframe IMS & DB2 DBA

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We are an IT Solutions Integrator/Consulting Firm helping our clients hire the right professional for an exciting long -term project. Here are a few details.

Requirements

We are seeking an experienced Senior Mainframe DBA (7+ years) to provide 24x7 enterprise database administration and operational support for mainframe database environments. The ideal candidate should have strong expertise in performance tuning, troubleshooting, database maintenance, and operational support for on -premise mainframe platforms.

Key Responsibilities

• Provide 24x7 production support with rotational shifts and on -call responsibilities.
  

• Administer, monitor, and maintain mainframe databases such as DB2 for z/OS, IMS, VSAM, IDMS in production and non -production environments.
  

• Implement and manage backup, recovery, performance tuning, high availability (HA), and disaster recovery (DR) strategies.
  

• Perform health checks, identify performance bottlenecks, and optimize database configurations and queries.
  

• Automate routine operations using mainframe utilities, JCL, REXX, Python, Shell scripting, and scheduling tools.
  

• Manage database security, access controls, compliance, and audit requirements.
  

• Execute database patching, upgrades, and migrations with minimal downtime.
  

• Collaborate with application and infrastructure teams for deployments and issue resolution.
  

• Perform incident management, root cause analysis, and documentation.
  

• Maintain documentation, operational procedures, and best practices.
  

Required Skills & Experience

• Bachelor’s degree in Computer Science, IT, or related field.
  

• 7+ years DBA experience managing mainframe databases (DB2 z/OS, IMS, VSAM, IDMS, etc.).
  

• Strong understanding of mainframe database architecture, performance tuning, scaling, partitioning, and throughput optimization.
  

• Expertise in scripting (JCL, REXX, Python, Shell) and automation tools.
  

• Experience with HA/DR strategies, replication, backup, and recovery.
  

• Knowledge of database monitoring tools such as Dynatrace, Azure Monitor, Nagios.
  

• Experience supporting cloud migrations or hybrid environments (Azure/GCP preferred).
  

• Strong understanding of database security, compliance, and auditing practices.
  

• Proven experience in database upgrades, patching, and migrations.
  

• Excellent troubleshooting, communication, and documentation skills.
  

Preferred Qualifications

• Mainframe DBA certifications.
  

• Experience with modernization or migration projects (mainframe to distributed/cloud platforms).
  

• Exposure to cloud database platforms (Azure, GCP).
  

• Experience with automation tools such as PowerShell, Ansible, Terraform, Shell scripting.
  

• Familiarity with additional mainframe technologies such as CICS, IMS, VSAM.
  

Benefits