Mainframe Storage Engineer

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.