(USA) Systems and Infrastructure Engineer III, Information Security

Walmart

Quick summary

Work type
On-site
Location
Herndon, VABentonville, AR
Salary
$108,000–$216,000 / yr
Posted
3 days ago
Nearby
99+ roles within 25 mi

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $169k
This role $162k
$95k most similar roles pay here $229k

This role pays less than 53% of similar roles. Most pay $141,800–$196,350 — the shaded band above. At the midpoint, this role pays about $162k versus about $169k 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 239 open roles on FindRole.

Listed pay typically runs $110,000–$220,000 across 232 roles with salary data.

Most-posted roles

View all roles at Walmart

At a glance

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

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The Systems and Infrastructure Engineer III role within the Information Security team at Walmart involves designing and maintaining secure infrastructure solutions to protect customer data across a leading e-commerce platform. This position requires developing modular system architectures, automating workflows, and ensuring compliance with security standards while collaborating closely with various teams to deliver robust, high-quality solutions. Key responsibilities include shaping cryptography standards, modernizing certificate lifecycle management through tool development and automation, and enhancing operational efficiency. The ideal candidate has 3-5 years of software engineering experience in SRE or platform engineering roles, proficiency in Java, Python, or Go, familiarity with cloud platforms like GCP or Azure, and a strong understanding of cryptographic protocols such as TLS and SSH. This role is crucial for maintaining trust and reliability within Walmart’s digital ecosystem at scale.

Skills

Python Java Go GCP Azure TLS SSH PKI Terraform CI/CD Kubernetes Docker PostgreSQL AWS Prometheus Grafana GitLab Jenkins

What you'll do

  • Design and execute enterprise-wide cryptography and PKI standards.
  • Modernize certificate lifecycle management through automation and tool development.
  • Develop scalable tooling solutions to address complex infrastructure challenges.
  • Ensure well-documented changes that minimize operational risk in production.
  • Communicate security best practices to stakeholders for reliable platform operations.

What we're looking for

  • 3-5 years of software engineering experience in SRE, platform engineering, or infrastructure-focused roles
  • Expertise in certificate lifecycle management, PKI, and TLS certificate troubleshooting
  • Strong systems thinking with deep understanding of enterprise-scale infrastructure architecture and automation
  • Proficiency in Java, Python, or Go, and familiarity with observability concepts like metrics, logs, and traces
  • Experience with cloud platforms (GCP, Azure) and containerized environments
  • Knowledge of cryptographic protocols (TLS, SSH), algorithms, and their implementations

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