Walmart

Senior Systems and Infrastructure Engineer, Information Security, Managed File Transfer

Walmart

full-time

Posted on:

Location Type: Hybrid

Location: BentonvilleVirginiaUnited States

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Salary

💰 $90,000 - $180,000 per year

Job Level

Tech Stack

About the role

  • Lead the design and architecture of secure systems and applications, providing expert guidance on integrating Post-Quantum Cryptography into enterprise environments.
  • Define and drive cryptographic strategy and roadmap, ensuring alignment with evolving PQC standards (e.g., NIST PQC) and organizational security objectives.
  • Evaluate and guide adoption of cryptographic technologies, including key exchange mechanisms, digital signatures, and message authentication schemes in a post-quantum context.
  • Partner with hardware and cryptographic vendors to influence product direction, evaluate capabilities, and ensure alignment with long-term security requirements.
  • Assess emerging threats and advancements in quantum computing and cryptography, translating research into actionable engineering practices and risk mitigation strategies.
  • Design, implement, and oversee enterprise-scale cryptographic solutions, ensuring compliance with industry standards and regulatory requirements.
  • Drive modernization of security protocols (e.g., TLS, SSH, IPsec) to support hybrid and quantum-resistant cryptographic approaches.
  • Mentor and guide engineers, establishing best practices for secure development, cryptographic implementation, and infrastructure security.
  • Lead cross-functional initiatives, collaborating with engineering, infrastructure, and security teams to embed cryptographic controls into platforms and services.
  • Communicate complex cryptographic concepts and risks to senior leadership, architects, and non-technical stakeholders to support informed decision-making.

Requirements

  • Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 3 years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.
  • 5 years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.
  • Certification in Security+, GISF, CISSP, CCSP, or GSEC.
  • Master’s degree in computer science, information technology, engineering, information systems, cybersecurity or related area and 1 year’s experience leading information security or cybersecurity projects.
  • Knowledge in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility.
Benefits
  • 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.
  • Education benefit program for full-time and part-time associates for high school completion to bachelor's degrees with tuition, books, and fees completely paid for by Walmart.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Post-Quantum Cryptographycryptographic strategykey exchange mechanismsdigital signaturesmessage authentication schemessecurity protocolsTLSSSHIPsecsecure development
Soft Skills
mentoringcollaborationcommunicationguidanceleadershiprisk mitigationbest practices establishmentcross-functional initiative leadershipcomplex concept communicationstakeholder engagement
Certifications
Security+GISFCISSPCCSPGSEC