(usa) Senior, Systems and Infrastructure Engineer

Walmart Walmart · Retail · Bentonville, AR

Senior Systems and Infrastructure Engineer focused on mainframe transaction processing and messaging platforms (IBM CICS and IBM MQ). Responsibilities include architecture, engineering, reliability, and operational support, ensuring high availability, performance, and security. The role involves managing storage, virtual tape, replication, and system software, with a focus on modernization and automation.

What you'd actually do

  1. Manage storage pools, including adding volumes, cleanup, and reclaiming unused volumes.
  2. Support virtual tape operations, ideally with experience in Luminex virtual tape systems (preferred but not required).
  3. Support IBM GDPS environments, including: Metro Mirror, Global Mirror, Metro-Global Mirror, Hyperswap.
  4. Install, upgrade, and maintain IBM and third-party mainframe storage-related products.
  5. Deep knowledge of DFHSM, DFSMS, FDR, MVSRM, and related storage utilities.

Skills

Required

  • DFHSM
  • DFSMS
  • FDR
  • MVSRM
  • JCL
  • TSO
  • Rexx & CLIST scripting
  • SMPE installation and maintenance
  • UNIX System Services (file systems, mounts)
  • multi-site and multi-sysplex environments
  • IBM DS8K storage experience
  • DB2/IMS utilities
  • system initialization, tuning, and performance optimization
  • on-call rotation

Nice to have

  • Luminex virtual tape systems
  • IBM GDPS and replication technologies
  • Disaster Recovery methodologies and tooling
  • Mainframe networking concepts
  • storage management and data governance in enterprise environments
  • Advanced tuning, automation, and tooling for storage workflows
  • BMC Tools
  • Compuware tools
  • ControlM or ICE conversion experience
  • OPS/MVS
  • Rocket Software MobiusView / Infopac
  • JCLPlus (SEA)
  • MacKinney Batch for CICS (CEMT)
  • RIO (Vanguard)
  • Sterling Commerce Connect:Direct
  • Tectia SSH
  • UNIX System Services

What the JD emphasized

  • IBM DS8K storage experience required