(USA) Site Reliability Operations III

Walmart; Bentonville (AR); On-site; USD 140,000 - 180,000; Full time

Job summary

Walmart Global Tech is seeking a Site Reliability Operations III to drive reliability, availability, and performance of mission-critical applications within Supply Chain & Transportation. You will focus on incident management, monitoring, and applying DevOps best practices to maintain scalable systems.

The role requires collaboration with engineering and business stakeholders to drive continuous improvement, uphold operational excellence, and deliver highly available services across global

Qualifications

• Experience with incident management and incident response processes.
• Strong knowledge of monitoring, observability, and SLO/SLI concepts.
• Proven ability to perform root-cause analysis and contribute to RCA initiatives.

Responsibilities

• Lead incident triage, diagnosis, and restoration within defined SLAs.
• Define and monitor SLIs, SLOs, and KPIs; design effective alerting strategies.
• Independently troubleshoot performance and availability issues; perform RCA.
• Execute complex maintenance and DevOps activities to maintain system reliability.

Skills

Incident management

Monitoring & observability

SRE best practices

Root cause analysis

Troubleshooting

DevOps

Tools

yaml

python

git

Job description

Position Summary…

Role 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 DevOps 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.

About the Team

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.

What you’ll do…

• 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.
• DevOps & Operational Excellence
  • Execute complex application maintenance, corrective, adaptive, and reengineering activities.
  • Analyze logs