(USA) Principal, Software Engineer, Information Security

Position Summary...
We are seeking a Principal Software Engineer to own, architect, and deliver scalable and secure enterprise authentication solutions. This role is part of the Multi-Factor Authentication (MFA) team within the Identity and Access Management (IAM) organization and is focused on Phishing-Resistant MFA (PR-MFA) using FIDO2, passkeys, hardware authenticators, and certificate-based authentication (CBA). You will define MFA architecture and build software and automation enabling secure registration, lifecycle management, recovery, and rollout at scale, partnering across security, endpoint, and associate experience teams.

What you'll do...
As the Principal Software Engineer, Cybersecurity (IAM - MFA), you will bring:
Strong software engineering experience building enterprise-grade, high-scale services and APIs
Deep understanding of authentication and MFA fundamentals, assurance levels (AAL2/AAL3), and context-aware and risk-based MFA patterns
Strong knowledge of MFA threats (phishing, MFA fatigue, relay attacks, recovery abuse)
Hands-on experience implementing PR-MFA using:
o FIDO2 security keys and passkeys
o Certificate-based authentication (CBA) using PIV / Smart Cards and X.509 certificates
Deep experience across Windows, macOS, iOS, and Android platforms (including Windows Hello for Business and platform authenticators)
Proven ability to design MFA for large, diverse enterprise user populations
Ability to evaluate security, usability, and operational tradeoffs
Strong awareness of industry standards and trends (FIDO Alliance, PIV, NIST 800-63, Zero Trust, PKI-based authentication)

What You Will Do - Responsibilities
Own the enterprise MFA architecture, including PR-MFA and certificate-based authentication
Design and operate services supporting registration, lifecycle, recovery, and break-glass
Define PR-MFA rollout patterns that drive adoption with strong assurance
Integrate MFA across IdP, SSO, VPN, Windows, macOS, iOS, and Android
Apply FIDO2/passkey concepts (WebAuthn, CTAP, attestation) and CBA concepts (PKI, certificate lifecycle, trust chains)
Lead hardware authenticator (YubiKey) programs, including enrollment and recovery
Define and track adoption and friction metrics
Serve as a technical authority and mentor senior engineers
Qualifications
Bachelor's degree in a related field and 10+ years experience in software engineering and/or cybersecurity with deep IAM focus

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. 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 $110,000.00 - $220,000.00

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, information technology, engineering, information systems, cybersecurity, or related area and 5years' experience in software engineering or related area at a technology, retail, or data-driven company.

Option 2: 7 years' experience in software engineering or related area at a technology, retail, or data-driven company.

Preferred Qualifications...

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

Certification in Security+, GISF, CISSP, CCSP, or GSEC, Master's degree in computer science, information technology, engineering, information systems, cybersecurity or related area and 3 years' experience leading information security or cybersecurity projects, 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

Walmart 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.