Walmart
(USA) Software Engineer III, Information Security
Full details on LinkedIn
The complete job description, requirements, and application details are available on the original posting.
About Walmart
Walmart is a leading American multinational discount department store chain, founded in 1962 by Sam Walton and headquartered in Bentonville, Arkansas. It is recognized as the world's largest retailer by revenue, operating over 11,500 stores across 28 countries. Walmart focuses on providing everyday low prices and serves approximately 90 million customers weekly. The company offers a wide range of discount retail products, including general merchandise, groceries, apparel, electronics, and home goods. Walmart operates various store formats, such as standard discount stores, Supercenters with expanded grocery sections and additional services, and membership-based Sam's Club warehouses. Walmart has a strong global presence, with operations in every U.S. state and international locations in countries like Canada, Mexico, China, the UK, and Germany.
Security at Walmart
Compiled from public job postings, careers pages, and company materials. Data may not reflect current state — verify during interviews.
Security Philosophy
- Walmart's AppSec philosophy emphasizes protecting one of the world's largest and most complex digital ecosystems. The company champions AI security controls that are developer-first, fast, and low-friction.
- The approach focuses on embedding secure standards and validation logic directly into engineering workflows to enable developers rather than gate-keep.
Security Team
Walmart's Information Security team is led by Jerry R. Geisler III, Executive Vice President and Chief Information Security Officer. The team focuses on securing Walmart's operating environment. Key leaders include Atin Jaiswal, Senior Manager of Application Security at Walmart Global Tech. Active AppSec job postings indicate the team is working on SAST, SCA, CI/CD integration, threat modeling, secure architecture, and automation. The exact AppSec team size is not publicly available.
Key Initiatives
- Walmart is implementing 'shift left' practices by embedding secure standards and validation logic directly into engineering workflows.
- The company is operationalizing SAST and SCA tooling outputs and championing AI security controls that are developer-first, fast, and low-friction.
- Walmart maintains a Responsible Disclosure Notice for vulnerability intake.
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