Job Description
Job Position: Mainframe Storage Engineer
Location: Mumbai/Chennai
Experience: 5+ to 10+ Years
Mandatory Skills: - IBM-Storage, Mainframe - IMSDB, Mainframe DB2, REXX, Z/OS
Key Responsibilities
• Manage and support enterprise Mainframe Storage environments in 24×7 production operations.
• Perform storage implementation, maintenance, monitoring, troubleshooting, and operational support.
• Support z/OS I/O architecture, including CHPIDs, control units, paths, FICON, and multipathing.
• Analyze and troubleshoot I/O performance using RMF, SMF, and DCOLLECT.
• Work closely with z/OS Systems Programmers and infrastructure teams.
• Support multi-datacenter, multi-region, and global production environments.
• Participate in technical projects with minimal supervision and provide technical guidance to junior team members.
• Perform technical reviews and assist with complex storage-related problem resolution.
Required Skills
• 5+ to 10+ years of hands-on Mainframe Storage experience.
• IBM Storage
• z/OS
• REXX
• Mainframe DB2
• Mainframe IMS/DB
• FICON & Multipathing
• RMF, SMF, DCOLLECT
• DFSMS / DFHSM
• ICF Catalogs
• CA1
• IBM Utilities / Exits
• Strong understanding of Mainframe I/O architecture and performance diagnostics.
• Experience in 24×7 mission-critical and highly regulated production environments.
Good to Have
• Assembler knowledge
• SME/team leadership experience
• Experience with storage-related exits and modifications
• Strong troubleshooting, communication, mentoring, and technical documentation skills.