Infrastructure Engineer

Principal, Systems and Infrastructure Engineer, Information SecurityAre you driven to design durable, scalable, and well-governed cloud platforms that stand the test of time? Join the Walmart/VIZIO Team as a Principal Cloud Infrastructure & Platform Engineer, where you will lead large-scale multi-cloud migration and modernization efforts across AWS, GCP, and Azure, while shaping infrastructure, automation, security, and FinOps practices in equal measure. This is a highly technical, hands-on principal role for an engineer who sets standards, leads by example, and brings rigor, clarity, and best practices to complex cloud environments.The Walmart/VIZIO Team is responsible for enabling and operating secure, scalable, and cost-aware cloud platforms that support critical business systems. We work across Engineering, Security, Finance, and Platform teams to modernize infrastructure, migrate workloads, enforce governance, and reduce operational risk. Our mandate is not just to build infrastructure—but to build it correctly, with consistency, automation, and long-term sustainability in mind. This Principal role brings together cloud migration leadership, infrastructure architecture, automation, security remediation, and FinOps enablement into a single senior technical authority.Cloud Migration & Architecture LeadershipLead the migration and modernization of a large portfolio of applications and databases from AWS to GCP and Azure, ensuring reliability, security, and minimal disruption.Design target-state architectures and migration patterns that balance scalability, resilience, cost, and operational simplicity.Evaluate cloud-native services and guide architectural tradeoffs across AWS, GCP, and Azure.Establish reference architectures, landing zone standards, and platform patterns used across the organization.Infrastructure as Code & Platform AutomationArchitect, build, and maintain complex, reusable Infrastructure-as-Code solutions using Terraform and Terragrunt.Develop Python and Bash automation to support infrastructure lifecycle management, migrations, governance, and operational workflows.Drive consistency and quality through shared modules, versioning strategies, and code review standards.Integrate IaC and automation into CI/CD pipelines using GitHub Actions and related tooling.Containers, CI/CD & ModernizationDrive containerization and platform adoption using Docker and Kubernetes, enabling scalable and resilient application deployments.Design and maintain robust CI/CD pipelines that support fast, safe, and repeatable infrastructure and application delivery.Improve observability, reliability, and operability through automation and standardized tooling.Security, Compliance & Governance (SecOps)Build automation and guardrails to remediate security findings and enforce configuration baselines across all cloud providers.Partner closely with Security teams to embed security best practices into IaC, pipelines, and platform standards.Support continuous compliance through asset discovery, inventory management, and policy validation tooling.FinOps Enablement (Equal Focus)Incorporate cost awareness and financial accountability into infrastructure design, migrations, and automation.Support tagging standards, cost allocation models, and usage visibility across AWS, GCP, and Azure.Partner with FinOps and Finance teams to ensure infrastructure decisions reflect both technical and financial best practices.Operational Excellence & Technical LeadershipProvide hands-on Linux system administration, performance tuning, and troubleshooting when needed.Maintain high-quality documentation, runbooks, and architectural decision records.Serve as a principal-level mentor and technical leader through design reviews, code reviews, and cross-team collaboration.Champion best practices, consistency, and long-term maintainability across all infrastructure efforts.You are a senior-level engineer with a deep sense of ownership and a passion for building infrastructure the right way. You bring:Extensive hands-on experience with AWS, plus strong experience with GCP and/or Azure, ideally in migration scenarios.Deep expertise in Terraform, including the design of modular, reusable IaC systems; experience with Terragrunt is strongly preferred.Strong proficiency in Python and Bash for automation, tooling, and operational workflows.Hands-on experience with Docker and Kubernetes in production environments.A solid foundation in Linux system administration, performance optimization, and troubleshooting.Experience designing and maintaining CI/CD pipelines, ideally using GitHub Actions.A strong understanding of cloud security principles, compliance requirements, and SecOps workflows.Practical experience incorporating FinOps principles into infrastructure and platform design.A documentation-first mindset, with a commitment to clarity, accuracy, and discoverability.Exceptional attention to detail, organizational skills, and the ability to manage complex, multi-track initiatives.Strong communication skills and the ability to influence without authority.A passion for mentorship, collaboration, and continuous improvement.Minimum Qualifications:Option 1: Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 5 years' experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company. Option 2: 7 years' experience in systems and infrastructure engineering or related area at a technology, retail, or data-driven company.Preferred Qualifications:Certification in Security+, GISF, CISSP, CCSP, or GSEC, Master's degree in computer science, information technology, engineering, information systems, cybersecurity or related area and 3 years' experience leading information security or cybersecurity projects. We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart's accessibility standards and guidelines for supporting an inclusive culture.Primary Location: 55 Madison St, Denver, CO 80206-5419, United States of America Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has 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.