Job Description

We are seeking a Senior Dell EMC Mainframe Storage Engineer with expertise in Mainframe Enablers (MFE) and Geographically Dispersed Disaster Restart (GDDR) to support a highly available enterprise mainframe storage environment. The ideal candidate will have hands-on experience troubleshooting GDDR automation, SRDF replication, and disaster recovery processes within mission-critical production environments.

Roles and Responsibilities

• Provide production support for Dell EMC Mainframe Enablers (MFE) and GDDR environments.
• Troubleshoot GDDR automation failures, restart issues, and recovery scenarios.
• Support SRDF/S and SRDF/A replication, AutoSwap, and consistency group operations.
• Perform manual recovery and resynchronization when automated recovery processes fail.
• Diagnose replication failures, interrupted scripts, and consistency group issues.
• Coordinate array-side recovery activities with host-side operations.
• Determine when replication can be safely resumed following outages or failures.
• Participate in Sev 1 and Sev 2 production incident response and technical bridge calls.
• Analyze logs, command outputs, configurations, and system diagnostics to identify root causes.
• Develop and maintain operational documentation, recovery procedures, and runbooks.
• Collaborate with infrastructure, operations, and vendor support teams to resolve complex storage issues.
• Assist with technical escalations by documenting findings and coordinating with vendor support when required.

Required Qualifications

• Extensive hands-on experience with Dell EMC Mainframe Enablers (MFE).
• Strong expertise with Dell EMC GDDR/GDR, preferably GDDR 6.x.
• Experience configuring and supporting GDDR automation, scripts, overrides, and recovery procedures.
• Strong knowledge of SRDF/S, SRDF/A, AutoSwap, and consistency group management.
• Experience troubleshooting GDDR automation failures, interrupted replication, and manual recovery scenarios.
• Proficiency with zDP and Symmetrix command-line utilities.
• Strong understanding of mainframe storage operations, FICON, and Fibre Channel technologies.
• Experience handling replication drops, resynchronization, full-push recovery, and device cleanup.
• Ability to coordinate host-side and array-side recovery activities.
• Experience supporting enterprise production environments with high availability requirements.
• Strong analytical, troubleshooting, and communication skills.

Preferred Qualifications

• Experience supporting VMAX 950F and PowerMax 8500 storage platforms.
• Experience with enterprise disaster recovery and replication solutions.
• Experience supporting large-scale, mission-critical production environments.

On-Call & Support Expectations

• Participate in a 24x7 on-call rotation for critical production incidents.
• Provide primary and backup support for Sev 1 and Sev 2 incidents.
• Respond remotely to production outages and participate in live technical bridge calls.
• Review logs, configurations, command outputs, and operational documentation during incident resolution.
• Maintain support documentation, known issues, recovery procedures, and escalation paths.
• Work with vendor support teams for product-related issues while providing technical analysis, issue isolation, and recovery guidance.

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