(USA) Senior, Systems and Infrastructure Engineer

Walmart, Inc.

$80K — $155K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in computer science or similar field and 3 years of experience in technology infrastructure engineering, or 5 years of relevant experience without a degree.
  • Expertise in managing the z/OS ISV lifecycle including upgrades and vendor coordination.
  • Experience in supporting complex z/OS and Parallel Sysplex environments.
  • Strong troubleshooting and solution evaluation abilities.
  • Proficiency in JCL, TSO, REXX, Python, and SQL for automation tasks.
  • Experience with AI-assisted observability tools.
  • Hands-on experience with major ISV products like BMC, Control-M, and SAS.

Responsibilities

  • Own the lifecycle management of ISV products on z/OS.
  • Lead complex incident investigations and vendor resolutions.
  • Maintain centralized knowledge repositories for issues and solutions.
  • Govern change management and compliance processes.
  • Monitor ISV health using AI-driven analytics.
  • Provide technical mentorship and establish operational best practices.
  • Develop automation solutions to enhance operational efficiency.

Benefits

  • Medical, vision, and dental coverage.
  • 401(k) with company match and stock purchase options.
  • Paid time off policies including parental and bereavement leave.
  • Short-term and long-term disability benefits.
  • Company discounts and Military Leave Pay.
  • Reimbursement for adoption and surrogacy expenses.
  • Walmart-paid education benefits covering various degree programs and certificates.
Full Job Description
Position Summary...
As a Senior Systems and Infrastructure Engineer, you will lead the maintenance, automation, and optimization of critical infrastructure systems to ensure high availability and performance. This role involves designing and implementing scalable solutions and automating routine tasks using advanced scripting and configuration management tools. You will collaborate across teams to assess requirements, resolve complex issues, and support infrastructure growth aligned with business objectives. Your expertise will drive continuous improvement in system reliability, security, and operational efficiency within a dynamic technology environment.

What you'll do...

  • Own the end-to-end lifecycle of ISV products on z/OS, including installation, configuration, maintenance, upgrades, patching, and enhancements.
  • Lead complex incident investigation, root-cause analysis, and cross-team/vendor resolution to minimize risk/downtime.
  • Maintain centralized repositories of issues, resolutions, runbooks, configuration standards, and operational knowledge.
  • Ensure configuration standardization, release consistency, security remediation, and compliance with enterprise requirements.
  • Govern change management, access controls, audit readiness, documentation, and approval processes.
  • Monitor ISV health, performance, reliability, leveraging AI-assisted analytics to identify risks and accelerate resolution.
  • Provide technical leadership, mentor associates, and drive adoption of operational standards/best practices.
  • Develop automation and AI-enabled solutions using JCL, REXX, Python, SQL, and integration tooling to improve efficiency


What you'll bring:

  • Expertise in z/OS ISV lifecycle management, including onboarding, upgrades, configuration management, decommissioning, and vendor coordination.
  • Experience supporting complex z/OS and Parallel Sysplex environments, including maintenance, performance monitoring, and issue resolution.
  • Strong troubleshooting, escalation, and solution evaluation skills.
  • Knowledge of security, compliance, access governance, vulnerability remediation, and audit readiness.
  • Proficient in JCL, TSO, REXX, Python, and SQL automation.
  • Experience using AI-assisted tools for observability, incident analysis, anomaly detection, documentation, and automation.
  • Hands-on experience with key ISV products, including BMC, Compuware, Control-M, Mobius, Connect Direct, Tectia SSH, SAS, and MXG.
  • Available for on-call support and incident resolution.


At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.

For information about PTO, see https://one.walmart.com/notices.

Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.

For information about benefits and eligibility, see One.Walmart.

The annual salary range for this position is $80,000.00 - $155,000.00

Additional compensation includes annual or quarterly performance bonuses.

Additional compensation for certain positions may also include :

- Stock








Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1: Bachelor's degree in computer science, computer engineering, information systems, information technology, or related area and 3 years'experience in technology infrastructure engineering across areas such as compute, storage, network, mobility or virtualization-related technologies.
Option 2: 5 years' experience in technology infrastructure engineering across areas such as compute, storage, network, mobility or virtualization relatedtechnologies.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Master's degree in computer science, computer engineering, information systems, information technology, or related area. and 1 Year of relevant experience in configuration management, developing automation for Provisioning and Orchestration, experience developing and managing service-level objectives (SLOs)/service level indicators (SLIs) for Infrastructure Service availability and performance., We value candidates with a background 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. The ideal candidate would have 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.

Primary Location...

805 Se Moberly Ln., Bentonville, AR 72712, United States of America

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