Site Reliability Operations III

Position Summary...

Walmart is seeking a Site Reliability Operations III team member to assist in driving the reliability, availability, and performance of mission‑critical applications and platforms within the Supply Chain & Transportation support area. This role focuses on incident management, monitoring and alerting, troubleshooting complex outages, and applying Dev Ops best practices to maintain stable, scalable systems. The ideal candidate partners closely with engineering and business stakeholders, drives continuous improvement, and upholds Walmart’s values and operational excellence standards.

The Walmart Global Tech organization builds and operates the platforms that power Walmart’s stores, digital channels, and supply chain at global scale. Within the Site Reliability Engineering and operations‑focused teams, engineers are responsible for proactive system health, rapid incident resolution, and evolving observability and resiliency practices to support a highly available, customer‑first ecosystem.

• Incident Management & Reliability
• Lead and contribute to incident triage, diagnosis, and restoration within defined SLAs.
• Coordinate with internal teams and external partners to resolve escalated and complex outages.
• Document incident resolution, troubleshooting steps, and contribute to knowledge management and RCCA activities.
• Monitoring, Alerting & Observability
• Define and monitor SLIs, SLOs, and KPIs such as availability, latency, MTBF, and MTTR.
• Design alerting strategies, thresholds, and instrumentation to improve system awareness and reduce noise. e.g. yaml, python, git.
• Identify observability gaps and recommend enhancements to monitoring and alerting logic.
• Triaging & Troubleshooting
• Independently troubleshoot application performance and availability issues.
• Perform root cause analysis and contribute data and insights to RCA initiatives.
• Analyze historical defects to prevent recurrence.
• Dev Ops & Operational Excellence
• Execute complex application maintenance, corrective, adaptive, and reengineering activities.
• Analyze logs, metrics, and performance data to evaluate system health and change requests.
• Apply sound design and debugging practices to improve system stability and security.
• Partnership & Influence
• Build strong partnerships with engineering, operations, and business stakeholders.
• Communicate technical insights clearly and influence decisions by linking outcomes to business value.
• Proactively bring ideas and improvement opportunities to partners.

• Strong experience in incident management, monitoring, and production support for enterprise applications.
• Hands‑on expertise with monitoring, alerting, debugging, and application performance analysis
  .
• Proven ability to conduct RCA/RCCA
  , prevent defect recurrence, and improve system reliability.
• Solid Dev Ops mindset
  , including operational metrics, application maintenance, and change evaluation.
• Effective stakeholder communication skills and experience working across teams and disciplines.
• Demonstrated commitment to Walmart values : respect for the individual, integrity, customer focus, and continuous improvement.

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  . Live Better U is a Walmart‑paid education benefit program for full‑time and part‑time associates in Walmart and Sam's Club facilities.

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