Principal, Site Reliability Engineer

Position Summary...

What you'll do...

Role summary:

The (USA) Principal, Site Reliability Engineer leads the design, development, and implementation of reliability programs for complex site environments. This role ensures system performance, scalability, and disaster recovery through advanced monitoring, root cause analysis, and infrastructure automation. The position requires expertise in software architecture, distributed systems, and cloud technologies to optimize operational efficiency and resilience. The Principal Engineer collaborates across teams to drive continuous improvement, establish reliability standards, and support business objectives by delivering robust, scalable, and secure solutions aligned with organizational goals.

About the team:

The CES team delivers exceptional customer service experiences to millions of Walmart customers and agents worldwide. Comprising software engineers, data scientists, and machine learning experts, the team advances GenAI technology within complex enterprise applications. As part of Walmart Global Tech’s Enterprise Business Systems, CES collaborates closely with product, business, and UX teams to drive measurable business outcomes. The team focuses on innovation, reliability, and scalability to support Walmart’s mission of helping customers save money and live better through cutting-edge technology and robust site reliability engineering practices.

What you'll do:

• Design and develop reliability programs tailored to complex site environments, ensuring alignment with business goals and site safety engineering.
• Lead and facilitate reliability testing and chaos experiments to validate application resiliency and system performance.
• Analyze system architecture and performance to optimize scalability, disaster recovery, and operational efficiency.
• Develop and implement monitoring strategies, establishing metrics and alerts to maintain system availability and reliability.
• Guide root cause analysis efforts to identify and resolve defects, enhancing application stability and preventing incidents.
• Drive infrastructure automation and telemetry integration to support continuous delivery and operational excellence.
• Mentor team members on tools, coding standards, and reliability best practices.

What you'll bring:

• Extensive experience in site reliability engineering with strong expertise in system monitoring, root cause analysis, and reliability analysis.
• Proficiency in designing scalable, modular, and extensible software architectures aligned with business and technical requirements.
• In-depth knowledge of disaster recovery planning, execution, and contingency procedures for complex site environments.
• Skilled in cloud computing platforms and containerization technologies such as Docker.
• Ability to lead reliability testing and chaos engineering experiments using open-source tools.
• Strong coding skills in languages like JavaScript and Python, with automation experience in CI/CD pipelines.
• Proven capability to analyze system performance and implement telemetry for 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 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.

Bentonville, Arkansas US-10735: The annual salary range for this position is $110,000.00 - $220,000.00

Sunnyvale, California US-11807: The annual salary range for this position is $143,000.00 - $286,000.00
Additional compensation includes annual or quarterly performance bonuses.
Additional compensation for certain positions may also include :
- Stock

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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, computer information systems, software engineering, or related area and5 years’ experience in site reliability engineering, site and system administration, infrastructure management, or related area.Option 2: 7 years’ experience in site reliability engineering, site and system administration, infrastructure management, or related area.

Preferred Qualifications...

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

Experience in site reliability engineering, site and system administration, infrastructure management, or related area., Master's degree in site reliability engineering, site and system administration, infrastructure management, or related area and 3 years’ experience in site reliability engineering, site and system administration, infrastructure management, or related area., SRE certification (for example, IBM Cloud Site Reliability Engineer)., 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...

2501 Se J St, Ste A, Bentonville, AR 72716-3724, United States of AmericaWalmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

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