Mobile Software Engineer

Position Summary

We are seeking a Senior Software Engineer to design, build, and scale secure enterprise authentication solutions. This role is part of the Multi-Factor Authentication (MFA) team within the Identity and Access Management (IAM) organization and focuses on Phishing-Resistant MFA (PR‑MFA) and certificate‑based authentication (CBA). You will develop highly scalable services and automation that support registration, lifecycle management, enforcement, and rollout across the enterprise, partnering closely with security, platform, and associate experience teams.

Responsibilities

• Design, build, and maintain scalable services supporting MFA, PR‑MFA, and CBA
• Implement secure registration, recovery, lifecycle, and enforcement workflows
• Contribute to enterprise‑scale rollout strategies for phishing‑resistant MFA and certificate‑based authentication
• Integrate MFA capabilities into identity providers, SSO platforms, VPN solutions, and endpoint systems
• Apply FIDO2/passkey and CBA (PKI, certificates) concepts in production systems
• Build automation to support hardware authenticator enrollment, recovery, and lifecycle operations
• Develop dashboards and metrics to monitor adoption, rollout health, reliability, and security posture
• Participate in architectural design discussions and contribute to long‑term technical strategy
• Mentor junior engineers and promote engineering best practices through code reviews, documentation, and knowledge‑sharing sessions

Requirements

Minimum Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field and 5 years' experience in information technology within the past 10 years OR 7 years' experience in information technology or related field within the past 10 years

Preferred Qualifications

• Experience building highly available, fault‑tolerant distributed systems
• Experience with cloud‑native architectures and CI/CD automation
• Experience working in large enterprise environments with complex identity ecosystems
• Exposure to compliance and security frameworks impacting authentication systems
• Certified Intrusion analyst (GCIAs)
• GIAC Certified Enterprise Defender (GCED)
• Certified Geographic Information Systems Professional (GISP)
• GIAC Certified Incident Handler (GCIH)
• Certified Information Systems Security Professional (CISSP)
• Certified Information Systems Auditor (CISA)
• GIAC Security Essentials Certification (GSEC)
• Security+ certification
• Leading Technical Team
• Mainframe Technology
• Professional certification in information technology relevant to the job under consideration (for example, Java, C/C++, mainframe technologies, SAP, Microsoft .Net, business intelligence tools, SQL technology)
• Programming language or languages (for example, Java, C/C++, .NET, Rexx, Cobol, Powershell)
• SAP, SQL technology
• Version control software (for example, Subversion, Git, Librarian)
• Knowledge in creating inclusive digital experiences, implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility following Walmart’s accessibility standards and guidelines

Benefits

• Competitive pay plus performance‑based bonus awards
• Health benefits: medical, vision, and dental coverage
• Financial benefits: 401(k), stock purchase, company‑paid life insurance
• Paid time off (PTO) including sick leave, parental leave, family care leave, bereavement, jury duty, voting, and PPTO for vacation, holidays, or other purposes (amount varies by job classification and length of employment)
• Short‑term and long‑term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more
• Live Better U: Walmart‑paid education benefit program covering tuition, books, and fees for a range of programs from high school completion to bachelor's degrees, English Language Learning, and short‑form certificates

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 specific plan or program terms. For information about benefits and eligibility, see One.Walmart.

Salary

• Annual salary range: $108,000.00 – $216,000.00
• Additional compensation includes annual or quarterly performance bonuses and stock

Primary Location

2245 Monroe St, Herndon, VA 20171, United States of America

Additional Information

Walmart and its subsidiaries are committed to maintaining a drug‑free workplace and have 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.