(USA) Distinguished, Dynamic Defense Engineer

Walmart

1d • $156,000 - $312,000

About The Position

Walmart's Cybersecurity Threat Detection Team is expanding to further integrate threat intelligence with large-scale automated defenses. We are seeking a highly technical lead to help drive the next phase of our detection engineering strategy, building and enhancing the solutions that orchestrate the processing of vast amounts of telemetry across multiple markets, brands, and technology environments. This role will collaborate with established engineering teams to refine how we validate and deploy defensive logic, ensuring our protective measures keep pace with rapidly changing technology and threat landscapes. This senior technical position will build on existing foundations to automate the transformation of Threat Intelligence into detections at scale, primarily working with the SIEM Engineering, Detection Engineering, and UEBA functions. The scope encompasses all Walmart brands, international markets, and includes threat detection coverage for standard technology stacks, emerging technologies, and custom in-house applications. The ideal candidate should have a strong understanding of, or significant experience in, most of the following areas: Strategy & Operational Excellence Evaluating operational models, identifying areas for improvement, and recommending enhancements Leading the systematic auditing of detection solutions to identify dependencies, eliminate ineffective overlaps, and prioritize the closure of critical visibility gaps Establishing internal and external relationships to develop and maintain awareness of emerging threats and anti-detection mechanisms Establishing organizational threat protection strategies, balancing protection, capability, cost, and performance Threat Detection Defining the processes for the development, testing, and implementation of threat detections at scale across Azure, GCP, and on-premise production environments Leading the evaluation and adoption of emerging detection frameworks and platforms Scripting and Automation (preference for Python, Golang, Powershell) Query and Rule languages (SQL, KQL, SPL, Yara, Sigma) Utilizing TAXII and STIX to automate the ingestion and normalization of threat indicators into detection workflows. Data Analysis & Automation Processing and integrating data from a variety of sources to support timely and effective decision-making Knowledge of, or some experience with, the following: Automated ETL processes and data models integrated within CI/CD pipelines Leveraging Argo Workflows and Kubernetes to manage distributed data processing Architecting MCP servers to expose internal security telemetry and threat intelligence as tools and resources for SLM/LLM-powered agents and automation workflows Applying machine learning models to baseline user & entity behavior for the detection of sophisticated cyber attacks Incident Response & Documentation Incident management procedures for the detection, reporting, and handling of cyber incidents Writing comprehensive technical documentation Providing technical leadership during high-priority incidents

Requirements

• Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity or related area and 6 years’ experience in dynamic defense or related area at a technology, retail, or data-driven company.
• 8 years’ experience in dynamic defense or related area at a technology, retail, or data-driven company.
• Scripting and Automation (preference for Python, Golang, Powershell)
• Query and Rule languages (SQL, KQL, SPL, Yara, Sigma)
• Utilizing TAXII and STIX to automate the ingestion and normalization of threat indicators into detection workflows.
• Automated ETL processes and data models integrated within CI/CD pipelines
• Leveraging Argo Workflows and Kubernetes to manage distributed data processing
• Architecting MCP servers to expose internal security telemetry and threat intelligence as tools and resources for SLM/LLM-powered agents and automation workflows
• Applying machine learning models to baseline user & entity behavior for the detection of sophisticated cyber attacks

Nice To Haves

• Certification in Security+, Network+, GISF, CISSP, or CCSP
• Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity or related area and 4 year’s Exposure of leading/ working on Information Security / 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.

Responsibilities

• Evaluating operational models, identifying areas for improvement, and recommending enhancements
• Leading the systematic auditing of detection solutions to identify dependencies, eliminate ineffective overlaps, and prioritize the closure of critical visibility gaps
• Establishing internal and external relationships to develop and maintain awareness of emerging threats and anti-detection mechanisms
• Establishing organizational threat protection strategies, balancing protection, capability, cost, and performance
• Defining the processes for the development, testing, and implementation of threat detections at scale across Azure, GCP, and on-premise production environments
• Leading the evaluation and adoption of emerging detection frameworks and platforms
• Processing and integrating data from a variety of sources to support timely and effective decision-making
• Incident management procedures for the detection, reporting, and handling of cyber incidents
• Writing comprehensive technical documentation
• Providing technical leadership during high-priority incidents

Benefits

• At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. 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.
• You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 11-50 employees