Systems and Infrastructure Engineer III, Information Security

Walmart

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Herndon, VABentonville, AR
Salary
$108,000–$216,000 / yr
Posted
86 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $165k
This role $162k
$95k most similar roles pay here $229k

This role pays less than 53% of similar roles. Most pay $137,775–$193,000 — the shaded band above. At the midpoint, this role pays about $162k versus about $165k for comparable roles.

Based on 240 similar postings.

Employer

About Walmart

Walmart Inc. is the world''s largest retailer by revenue, operating a chain of hypermarkets, discount department stores, and grocery stores, as well as a growing e-commerce presence through Walmart.com. Industry: General Merchandise & Grocery Retail

Walmart currently has 184 open roles on FindRole.

Listed pay typically runs $117,000–$234,000 across 180 roles with salary data.

Most-posted roles

View all roles at Walmart

At a glance

TL;DR · Systems and Infrastructure Engineer III, Information Security

The (USA) Systems and Infrastructure Engineer III, Information Security joins the Cryptography group to design, implement, and maintain secure, scalable infrastructure solutions for an e-commerce platform. This role focuses on modernizing certificate lifecycle management by building internal tools, advancing automation, and delivering analytics to improve visibility and reliability. The engineer will develop modular system architectures, manage PKI and key management, and collaborate with cross-functional teams to solve complex pain points while ensuring compliance with security standards. Required technical skills include proficiency in Java, Python, or Go, along with experience in containerized environments on GCP or Azure. The candidate must possess a deep understanding of cryptographic protocols like TLS and SSH, as well as observability concepts including metrics, logs, and traces. This role addresses critical cybersecurity challenges by ensuring secure data flow and infrastructure resilience.

What you'll do

  • Develop and execute standards for cryptography, PKI, and key management across the enterprise.
  • Modernize certificate lifecycle management by building internal tools and advancing automation.
  • Deliver analytics to improve visibility, reliability, and operational efficiency for certificate management.
  • Partner with platform, infrastructure, and application teams to solve complex technical pain points.
  • Develop production-ready changes that minimize operational risk and improve service resilience.
  • Communicate security standards and best practices to stakeholders to improve platform operations.
  • Design and maintain secure, scalable infrastructure solutions and modular system architectures.

What we're looking for

  • A Bachelor's degree in computer science, information technology, engineering, or a related field.
  • Experience in systems and infrastructure engineering at a technology, retail, or data-driven company.
  • 4 years of experience in systems and infrastructure engineering as an alternative to the degree requirement.
  • 3–5 years of software engineering experience including SRE, platform engineering, or infrastructure-focused roles.
  • Proficiency in Java, Python, or Go programming languages.
  • Experience with certificate lifecycle management (CLM), PKI, and TLS certificate troubleshooting.
  • Strong understanding of cryptographic protocols like TLS and SSH, along with related algorithms.
  • Experience with cloud platforms such as GCP or Azure and containerized environments.

More like this

Similar roles

Software Engineer III, Information Security

Walmart

Herndon, VA +1 86 days ago $108,000$216,000
Cryptography PKI TLS SSH Java Python Go GCP Azure SQL Git SRE Observability Certificate Lifecycle Management Security+ CISSP
3+ yrs exp

Senior Systems and Infrastructure Engineer, Information Security

Walmart

Bentonville, AR 85 days ago $90,000$180,000
Infrastructure Security Configuration Management Scripting Multi-Factor Authentication Disaster Recovery Patch Management Capacity Planning Root Cause Analysis CISSP Security+ GSEC CCSP Identity Governance Access Management WCAG) 2.2 AA
3+ yrs exp

Senior Systems and Infrastructure Engineer, Information Security

Walmart

Bentonville, AR 79 days ago $90,000$180,000
Ansible Chef Puppet SAN Virtualization Scripting Infrastructure Security Disaster Recovery Configuration Management Capacity Management Vulnerability Management Risk Assessment Security+ GISF CISSP CCSP GSEC
3+ yrs exp

Systems and Infrastructure Engineer II

Walmart

Bentonville, AR 63 days ago $70,000$130,000
Python JavaScript Virtual Machines Version Control Patch Management Capacity Planning Scripting Release Management Data Integrity Documentation

Data Assurance Engineer III

Walmart

Herndon, VA 73 days ago $108,000$216,000
SQL Data Pipelines ETL Relational Databases Big Data Machine Learning Workflow Orchestration Cybersecurity Data Lineage Automation Information Security
2+ yrs exp

Staff Software Engineer, Information Security

Walmart

Bentonville, AR 64 days ago $110,000$220,000
Python Software Architecture CI/CD AWS Microsoft Azure Security+ GISF CISSP CCSP GSEC Root Cause Analysis Defect Management Telemetry Systems Engineering Cloud Migration WCAG) 2.2 AA
4+ yrs exp