(USA) Systems and Infrastructure Engineer II

Walmart • Bentonville, AR

1d • $70,000 - $130,000 • Onsite

About The Position

The Mainframe Storage Administrator is responsible for supporting Walmart’s enterprise mainframe storage infrastructure across complex, high availability parallel sysplex environments. This role manages storage pools, virtual tape, disaster recovery processes, and IBM storage technologies that support mission critical workloads at large scale. The Administrator works closely with mainframe systems, capacity planning, operations, and application teams to ensure resilience, performance, and operational excellence.

Requirements

• Knowledge of DFHSM, DFSMS, FDR, MVSRM, and related storage utilities.
• Experience managing mainframe storage pools and volume lifecycle operations.
• Understanding of mainframe storage concepts, catalogs, and alias structures.
• MVS System commands, catalog management.
• Skills with JCL, TSO, Rexx & CLIST scripting.
• Experience with multi-site and multi-sysplex environments.
• Familiarity with IBM GDPS and replication technologies.
• IBM DS8K storage experience required.
• Knowledge of system initialization, tuning, and performance optimization.
• Ability to participate in on-call rotation as needed.
• Analytical and troubleshooting abilities.
• Ability to work effectively across cross-functional teams.
• Strong communication skills, both written and verbal.
• High attention to detail and accuracy.
• Ability to manage multiple priorities in a fast-paced environment.
• Bachelor's degree in computer science, computer engineering, information systems, information technology, or related area OR 3 years’ experience in technology infrastructure engineering across areas such as compute, storage, network, mobility or virtualization related technologies.

Nice To Haves

• Experience in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
• Knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.
• Familiarity with Luminex virtual tape systems.
• Disaster Recovery methodologies and tooling.
• Mainframe networking concepts.
• Experience with storage management and data governance in enterprise environments.
• Advanced tuning, automation, and tooling for storage workflows.
• Experience with BMC Tools (MainView / AMI OPS, SRM, AutoOps).
• Experience with Compuware tools (FileAid, Xpediter).
• Experience with Scheduling & Automation tools (ControlM or ICE conversion experience, OPS/MVS).
• Experience with other Mainframe Products (Rocket Software MobiusView / Infopac, JCLPlus (SEA), MacKinney Batch for CICS (CEMT), RIO (Vanguard), Sterling Commerce Connect:Direct, Tectia SSH, UNIX System Services).

Responsibilities

• Manage storage pools, including adding volumes, cleanup, and reclaiming unused volumes.
• Provide support for space allocation recommendations and usage optimization.
• Administer and maintain IBM DS8K storage systems.
• Support multiple large-scale parallel sysplex environments with data sharing.
• Perform system initialization, performance tuning, and subsystem optimization.
• Support virtual tape operations, ideally with experience in Luminex virtual tape systems (preferred but not required).
• Work with DFHSM for hierarchical storage management.
• Utilize tools including FDR and MVSRM for backup, recovery, and storage resource management.
• Support IBM GDPS environments, including Metro Mirror, Global Mirror, Metro-Global Mirror, and Hyperswap.
• Participate in Disaster Recovery planning, testing, and execution.
• Maintain DR readiness across mainframe storage assets.
• Utilize JCL, TSO.

Benefits

• Medical coverage
• Vision coverage
• Dental coverage
• 401(k)
• Stock purchase
• Company-paid life insurance
• PTO (including sick leave)
• Parental leave
• Family care leave
• Bereavement leave
• Jury duty leave
• Voting leave
• Short-term disability
• Long-term disability
• Company discounts
• Military Leave Pay
• Adoption and surrogacy expense reimbursement
• Live Better U (Walmart-paid education benefit program for full-time and part-time associates)

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Associate degree