Senior Systems and Infrastructure Engineer, Information Security

Walmart

Senior Systems and Infrastructure Engineer designing and supporting Walmart's cryptographic infrastructure solutions. Focused on security, automation, and operational excellence across cloud and on-premises environments.

Posted 7/30/2026full-timeBentonville • 🇺🇸 United StatesSenior💰 $90,000 - $180,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and implementing enterprise PKI and HSM solutions, with a strong focus on automation, security standards, and performance optimization. Proficient in collaborating across teams to integrate cryptographic services and drive modernization initiatives.

Highest-signal resume keywords

Public Key Infrastructure (PKI)Certificate Lifecycle Management (CLM)Hardware Security Module (HSM)Automation Tools and Scripting LanguagesInfrastructure Security

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Infrastructure EngineeringSystems DesignCapacity ManagementPerformance OptimizationDisaster Recovery MethodologiesConfiguration ManagementCryptographic Key ManagementCI/CD PipelinesTelemetry ImplementationSecure Software Development Lifecycle

Soft Skills

CollaborationTroubleshootingProblem Solving

Industry Keywords

Infrastructure SecurityScalability DesignResource RightsizingCompliance FrameworksAutomation Processes

Tech Stack

Tools & technologies

CloudCyber Security

About the role

Key responsibilities & impact

Design, implement, and support enterprise PKI, Certificate Lifecycle Management (CLM), and Hardware Security Module (HSM) solutions.
Automate certificate and cryptographic key management using scripting, Infrastructure-as-Code, and CI/CD tools.
Partner with security, infrastructure, cloud, and application teams to integrate enterprise cryptographic services.
Drive modernization, certificate automation, workload identity, and cryptographic agility initiatives.
Monitor, troubleshoot, and optimize PKI and HSM platforms to ensure availability, security, and performance.
Collaborate on capacity planning to optimize resource utilization and forecast future infrastructure needs.
Troubleshoot and resolve infrastructure issues, escalating as necessary to maintain system integrity.
Apply security standards and best practices across infrastructure components and automation processes.

Requirements

What you’ll need

Option 1: 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.
Option 2: 5 years’ experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.
Extensive experience in infrastructure security, scalability design, and disaster recovery methodologies.
Proficiency with automation tools and scripting languages to streamline workflows and deployments.
Strong knowledge of configuration management and infrastructure maintenance best practices.
Expertise in public key infrastructure, certificate authority management, and hardware security modules.
Ability to design modular, extensible systems aligned with security standards and compliance frameworks.
Skilled in capacity management, performance optimization, and resource rightsizing.
Familiarity with CI/CD pipelines, telemetry implementation, and secure software development lifecycle practices.

Benefits

Comp & perks

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.
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.